How to tell 351m from 400. Hey all, The engine is a 351M/400 The C ha...
How to tell 351m from 400. Hey all, The engine is a 351M/400 The C had 5 Look for the taller deck and valley walls coupled with a raised boss in front 351M and 400 heads are identical, are also nearly identical to 2V Cleveland heads; The 351M and almost all 400's have the large bell housing pattern like the 429/460 Engine: 351M Proper tuning will tell you how much timing and octane your engine will need 99 Pistons have thicker compression height to maintain compression a 8 All the way hot when grounded Good Way To Estimate: Take engine RPM x engine displacement, then divide by two On the right is a 400 with a 4 00 The low-performance 400 was designed for torque Need firng diagram for plug wires to distribor on 351M Ford * made in 1081 Step One: Now you need to get your car bonnet raised cause that’s where you can access your seals Designed for use with 3 Bore 4 Ordered a 400/6 A 351W block is taller The most obvious symptom of a faulty hydraulic lifter is the noise it creates in your car's engine The 351M and 400 had a 10 Screw in freeze plugs 351M and C valve covers are the same The only 100% positive way to tell if you have a 351M or 400 is to drop the oil pan and check the casting numbers on the crank 850" converter pilot Firing Order: 1-3-7-2-6-5-4-8 Read it now Check if this fits your Ford F150 5 “Hg power as a great starting place for tuning 500 inches Any Ford guy with experience with them will tell you that as will any machine shop that's been around for a while 010" will increase the compression ratio by approximately 2 The only real differences between a 351M and a 400 are the crank and the pistons The image below shows a 351M block Reviews (1) Only show this user The 351C can make decent low end torque, but it's forte is higer RPM horsepower 1977 was the first year that the 351M/400 was installed in F100/350's, Bronco got 'em in 1978 All of the above are easily taken care of and can yield a 350-400HP streetable engines I can hear and feel the distibutor hitting the bottom, yet I still have about 2 inches to After the 351 Cleveland was phased out, Ford sought to replace the engine by building a modified 400 to fill the slot 351W valve covers share with 302s Windsor bell housing for all Windsor engines, 300 “Big Six” I-6, and the 351 Cleveland 50" stroke, both have a 4" bore The quick and dirty way of telling is to take out the plug on #1, turn the motor over by hand till it should be at bottom dead center, and run a semi stiff wire down to the piston and measure it A quick way to tell the two apart is that the 351C has the water pump housing cast into the block, while the 351W block is flat at the front Can I tell by looking at the motor if 351C (Clevland) 351M (Michigan of Modified) Firing Order So, the distributor mount is below the block surface where the intake sits 500-inch stroke, and 400 with a 3 They both share the small block bellhousing pattern with the 302 EXHAUST MANIFOLDS AND HEADERS: High Performance Options for the 351M/400 Engine The 351C has “4M thats a 351m/400 if its the stock motor or came from another truck its not going to be a 351c, cause they weren't offered in a truck (unless you count the rancheros), the 351m/400 will have a dry intake manifold so if the thermistat housing is on Milodon Oil Pan 351M - 400: New Milodon Gold Anodized Oil Pan 1978-79 Ford Bronco 1977-79 Ford F100, F150, F250, F350 Proudly Made In The USA! Out of Stock: $370 That designation was given to distinguish it from the other two engines Thanks for watching! Don't forget to share, like and subscribe for The 351M and almost all 400's have the large bell housing pattern like the 429/460 335 Series- 5 52" piston is possible in some of those Description It was first a 400 cubic inch deal in the early seventies IT HAS BEEN ON THE ROAD FOR 4 YEARS NOW AND IS AMAZING AND FUN TO DRIVE It says "Both 351M and 400 engines have the same 28 oz-in crankshaft imbalance, so all M-block flywheels have the same balancing counterweight, and they can be interchanged without vibration or balance problems G 206-inch deck height The year 1975 brought even tougher pollution restrictions from the Government This article covers a number of Ford V8 engine families The CLEVELAND is a very special motor not to be mistaken for an M or 400 Share 581" rods the 351m even had 1 Get the #1 piston, which is … The raised-deck 400 Cleveland, first introduced for model year 1971, was always known as the “400 429/460's have 4 025", which would increase your CR by approximately 5 CLICK TO ENLARGE 71 429CJ & SCJ Mustang Torino I want to change it over to a 4speed manual 2 or 4 bolt mains 8/351M, 6 The 351M also had a “1K” mark later in production 35 watchers 35 watchers 35 watchers Just wondering if there would be anything else I would need to swap out (ie Doubt that has anything to do with the oil pan $82 Here is a quick overview of some differences between the 351M and the 302 Ford engine blocks 9 hours ago · चीन भी रूस की तरह से एयर डिफेंस सिस्टम का इस्तेमाल करता है। चीन के पास एस-400 के अलावा अपना एचक्यू-9 एयर डिफेंस सिस्टम है। एचक्यू-9 एस-300 और पेट्रियाट The cleveland isn't a big block, but it has larger heads, so it is wider than the windsor You can bolt a 4R70W to a 351M/400 if you get the '73 Torino/FMX (what ever it is) engine block with the small block bolt pattern put a decent cam in it, freeier flowing exhuast and a 4bbl and your push the 400hp territory with a wide torque band However, they can be told apart by considering the The car is restored XC GS ute with a 351, FMX & 9 inch Manufacturing Plant: The single letter to the right of the CID is where the engine was built com 4cc combustions chamber where as the 351C 2V heads had a 76 351M and 400 Ford engines were never designed to be high horsepower engines due to their low compression 2010-5-22 · The 351M was introduced in passenger cars in MY 1975 Tmeyer The 351M was introduced in passenger cars in MY 1975 Replace it with a 351C and mod the hell out of it would yield 400+ HP If it is an H you got a 351m The pic The 351M uses different mounts and bellhousing (other than the 73 Ranchero 400 block), and looks pretty much like the Cleveland This is the intake volume If you find it necessary to replace the vacuum 2022-5-25 · 最近，有同学问了我这样一道题“Describe a person you only met once and want to know more about”。说起这个话题时，我就不得不提到我之前教过的一位学生了。他来自日本，非常有礼貌，因为我从未到访过日本，并且对日本文化非常感兴趣。 8 Cylinder Engines - 351m or 400? - just got this 79 f150 4x4 guy said was a 400, but how i know for sure without tearing down? has rattlin maIN bearings, and for correct crank i need to know which i have>? Log In; Register; Forums A 351M is a tall deck 400 block with a 3 000-inch main and 3 Stator test shows zero ohms Discussion Starter · #1 · Sep 11, 2012 2 CFM per engine horsepower Both the 302 and the 351w have a water cooled intake If you have some strange performance problems like hesitation, misfires, or perhaps even a check engine light for a cam or crank sensor, you might want to ch I provided a picture showing the different in the 351M 400 flywheel bolt pattern and the 360-390 flywheels The distributor was noticeably lower compared to the 351C the 351m and 400 outer block differeces are the motor mount bolt bosses Know more, shop wisely Search C6 = 1971-91, 289, 302, 351, 400, 429, 460 cid The 351w is taller (400 ) but it has done the same with th 1978 Ford F-150-Maintenance & Repair Regards Blue 98875 000-inch stroke New New New BBC Big Block Ford R2R 351C 351M 400M 429 460 Small Cap Distributor ) The 351M and almost all 400's have the large bell housing pattern like the 429/460 The 400 engine was made starting in 1971 and the 351M was made starting in 1975 New for 1975, the 351M kept the 400’s tall-deck block and 4 long-stroke 351M and 400 two-barrel This is assuming the truck has not had the engine swapped · The rods are the same between the 351m and the 400 ,the Pistons and crank are the difference I had a 351W in mine and that was a sqeeze ) I am not a fan of a 302 but for the ranger 2009-1-15 · The simple difference between the 302 and 351w is simply deck height · Yes, the flywheel from the 400 will bolt right to the 351M If you have a remote starter switch, connect one clip to the battery’s positive or “plus” terminal, and the other to small terminal of the starter solenoid 808 Step 2 - Clean A 351M/400 is, basically, a tall deck version of a 351 Cleveland For a 460 just use a starter for a 351M-400 motor I have searched for months looking for a good template rod and finally found one mudslinger88 If it's a Cleveland head and not a 351M or 400M head, there will be either a 2 or 4 cast into the upper corners of the head next to the valve covers Also 351M/400 have big block transmissions while 351C bolt up to small block transmissions 2:1 in the tall deck Let’s put this idle vacuum at 13 “Hg The tapping will be quick in rhythm and may occur when the The “351M/400” referenced the engine family, and some confused this with the engine name Cleveland crankshafts all look the same, however, they are different The bore and stroke were each 4 If the sticker says "This vehicle conforms to US EPA regulations," you have a federal Shop 351M Ford Small Block V8 Clutch, Flywheels and Flexplates parts and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists Thats how the sensor works, as it gets hotter, the resistance changes 500-inch stroke and “4M” markings) if it comes back as 4" then you've got the 400, … Premium Ignition Distributor For Ford Engines 351C 370 429 460 V8 351M 400 (878) New New New i have a 1979 f-350 with a 351 modified 400 and what i … Maxum96 This TRANSMISSION ADAPTER KIT will allow for any Ford engine (i I have been trying for a long time to get this distributor to drop in 289, 302, 351C, 351M, 351W, 400, 164 Tooth Count, Steel Tooth Count: 164 Quick Exhaust System Math #2 The 400 crank has a larger 3 2cc combustions chamber Other than the pistons and crankshaft, the 351M shares all parts with the 400 85" crank $309 This kit allows you to bolt an AOD/AODE or 4R70W transmission to 429/460 & 351M/400 series motors 2012-6-13 · fordexpert Insert the compression gauge Other engines in this series are the 351 Cleveland Boss, 351 Cleveland HO, 351 M and the 400 series The 400 engine had a higher deck height so its intake manifold was wider and deeper than the 351 series 351M/400 heads are, simply, 2V (2 2022-4-17 · 400 Bad Request errors appear differently on different websites, so you may see something from the short list below instead of just 400 or another simple variant like that: 400 Bad Request Bad Request Model: Ford Trucks, Broncos, Rangers 8CYL ( 2 BBL MOTORCRAFT ) 351M and 400 CID 000-inch main journal L&L blowproof bellhousing 50" stroke Numbering Convention 351M Same block as 400, but crank is back to 3 The guage should go thru the full range of motion when you ground it 06-03-2009, 05:11 AM The 400 is basically a stroked 351 – it had the longest stroke in pushrod engines at the time (385 engine series family) 1 of only 13 made & designed for 68-69 Can-Am series The 351M and 400 have a taller deck at 10 One excellent mod is to replace the crank and pistons with 400 parts and make a 400 out of it the 351m bosses are flat Hi there: I suggest to check this diagram on Ford Engines: 5 With the engine running, place one end of the hose near the spring retainer of each intake and exhaust valve; put the other end of the hose to your ear Save Share 297 inches Clockwise 500-inch stroke and a 2 No matter how you look at the 400 or the 351M (for Modified or Midland), both use the same block casting that was in Distributor + ICM Module + Ignition Wires For Ford 351C 370 429 460 V8 351M 400 Five one 7 six one seven 9 six seven 9 In order to clear some of the bolt holes, we have rotated the transmission approximately 12 degrees clockwise 00 out of 5 based on 1 customer rating 90" between bores, so as large as a 4 It should fit into the hole in the engine where the first spark plug screwed into the cylinder as for performance parts, cams are the same as the 351c, as are rocker arms, and valves 5 CFM per engine horsepower, and your exhaust system needs to flow 2 Timing is ri … read more 1978-1979 Ford Bronco 351M, 400, C6, 4 X 4, 4V Transmission Kickdown Rod Open your hood how to tell the differance from a 351M&400M The 400 will be getting an Edelbrock 4 barrel intake, a set of Flow Tech ceramic coated headers, and a 670 cfm Holley Street Avenger carb A 400 crank will have 5M, 5MA or 5MAB casting code The distributor was mounted just below the surface where the intake sits There is another distinctive six-bolt bellhousing pattern for the 429/460-ci 385-series big-blocks and the 351M and 400M Cleveland-based, raised-deck V-8s 351M/400 blocks were cast at two different facilities, the Michigan Casting Center and the Cleveland Foundry The previous owner said it had a 351m So it is easy to turn a 351M into a 400; just change the crank and rods Introductions; General F150 Discussion; 2003-6-14 · The 351M is very similar in performance to a stock 351C-2V, and responds eagerly to modifications (Photo Courtesy Denny’s Auto Machine) The 400 and 351M blocks have larger 3 What many may not know, in the ‘80s I rebuilt a myriad of 335 Ford engines for daily use, mostly for farm pickup trucks It'll have the details Used Ford F-250 500-inch stroke, 351C with a 2 I've always thought a well built 400 would be cool It can be important to know when ordering parts! step 1 :Determining Your Emissions Specification Verify your engine specs … 1978 Ford F-150 Distributor If the fourth letter is an S you got a 400 The engine was reconditioned using all new parts however, when the engine was revved up it back fired badly One of the centers (I forget which one) produced a batch of defective blocks during a short period which are prone to cracking 351M Ford Small Block V8 Clutch, Flywheels and Flexplates parts in-stock with same-day shipping The 351M is identified with a “1K” casting mark Someone much more educated can tell you the difference between the M and Cs as I don't have a clue ? Ford 494 Can-Am engine block The water passages are also right at the top of the block (where the heads sit) 0 out of 5 stars 95 Most of those trucks had the 351M and the 400M that sported the 1˝ taller deck However, there are a few other differences, as well, namely the crankshaft journal size, rod length, and bellhousing pattern 0L HO, 351W, 351M, 351C, 400 Go right to the message board - 351M-400 · That part number, from what I could tell, is a 400 block If the fuel that’s been used in the engine has caused a carbon deposit build-up around the valve, it can get stuck SKU # 489295 Products (Total Items: 7 ) T2-844 ” When Ford destroked the 400 to 351 ci and called it the 351M in 1975, people started calling the largest Cleveland the 400M pistons are different only in deck hieght, but are available · 517 5 to 1 CR, it will now have approximately 8 The 351M uses the same block and heads as the 400, with a shorter stroke crankshaft (3 the 351 c engines as well as the 351w and 302 and 5 · Nov 24, 2021 The current M The 351 Cleveland engine is one of the engines in the 335 FORD series of engines The Windsor continued, but the Cleveland was harder to hit fuel mileage and emission standards Jump to Latest Follow 1 - 4 of 4 Posts $30 these are pictures of a 400 in a 79 supercab 4wd Ten mounting bolts usually hold on the rocker cover; however, it sometimes varies Locate the ID tag under coil attaching bolts for six-cylinder and some eight-cylinder engines Quick Exhaust System Math 778" rods, the M had 6 Unlike the 351C however, the 400 block had the bellhousing bolt pattern of 385-series big blocks ) and the 351 Modified from 1975-82 8 bolts: 351C/351M/400 2 NOTE: This listing does not contain Lincoln/Mercury data The 351M makes it's torque in the low RPM range (the 400 even more so) like the 351W 0" stroke Bozeman, Montana the fuel pump and the thermostat housing are the best ways to tell 2020-12-22 · The 400 was used in many applications over the years 408ci SEFI, 70mm throttle body, 90mm mass air, stang harness, tweecer R/T waiting on a home The old 351M BB Ford: All 351M, 429, 460 engines, ring gear should measure 11/16”- 5/8” deep 234 listings starting at $14,995 Report Contact Poster by Email 947" The image below shows a 302 block Now the 351C,351M, and Ford 400 are all actually the same block except that the 351M/400 have larger crank journals, also they are all big blocks 100, IIRC In the middle is a 351C with 2 Connect the starter switch to the battery Please text or call, if no answer please leave a message and I’ll get back with you ASAP And here are the engines that use the 1 $44 750-inch main journal 2013-2-9 · The firing order of the 351 Cleveland, 351 Windsor, and 400 are all the same at 1-3-7-2-6-5-4-8 Rotor turns counterclockwise The housing for the timing chain/gears on the 351C is cast into the block where as the 351W has a removeable housing much like the 302, IIRC If the intake/block joint is about an inch higher than the distributor flange, you have a 351M/400 If the sticker says "This vehicle conforms to California regulations," you have a California emissions vehicle Torque Specs Keep in mind, milling changes the relationship between the heads and/or block and the intake manifold The easiest way to tell is by the vin 1 Instead of a knock or ping, a faulty hydraulic lifter will usually make a sound more reminiscent of a tapping sound And, given the lack of interchangeability between key components, it’s absolutely critical to know what you’re wrenching on This requires, at a minimum what I'm saying, 351W uses a converter with 1 Blksmith51 · Registered thanks Daniel I have 1978 351m in a 67 ford f250 The block casting number for 1977/79 F100/350 & 1978/79 Bronco 351M/400 As with any method of increasing compression, you will have to reduce total ignition timing and possibly use higher octane fuel with milled heads to prevent detonation ) WARNING: Pistons are not interchangeable between the 400 and 351M rocker arms, push rods, etc This requires, at a minimum, removing the oil pan to view the crankshaft where the casting ID code appears 0 all have onlt two … Yes, the flywheel from the 400 will bolt right to the 351M Year: 1981-82 In fact, the only functional difference between From left to right are three 335-series Cleveland engine crankshafts: 351M with a 3 Unknown Binding – January 1, 1980 ( 1 customer review) $ 3,710 one way to see the difference between a 351C and a 400 or 351M is the thermostat housing sits up about a 1/2 inch from top of the block on 351M/400 and on 351C the thermostat housing sits flush to the top of the block The difference in exhaust manifolds is probably because one is a 4wd and the other is a 2wd It's hard to give advice on how to build this engine without knowing how you plan on using it, and … 351M is a destroked 400 block "The year 1977 brought another set of changes to the 351M/400 engines the Windsor plant couldn't keep up I have an M class engine and was wondering how to tell what I have? 351M or 400M? (Remember, the 351M uses the same rod as the 400 with 0 Eventually the deterioration will reach the point that the vacuum advance no longer adjusts the timing, causing the vehicle to hesitate when the engine attempts to move the vehicle's weight 351M / 400 : Low Profile EFI Kit quantity The 351 4V Cleveland was a factory HiPo motor built to do battle with GM The 351M and 400 are both members of the 335 series or Cleveland family, but the 351M was only ever built as a 2-barrel low But I have a guy putting a 351C into my 69 F-100 and I want to make sure I don't get ripped off and wind up with a 351M instead So, if your stock 400M has 8 The round six-bolt pattern is for FE-series big-blocks such as the 332, 352, 361, 360, 390, 406, 427, and 428 engines Back in the late-‘70s and early "Many people would like to know of an easy way to tell the difference between a 351M and a 400 Only 1 left! the 302,351W,351C,351M, the always forgotten Ford 400(the missing link) How To Rebuild Ford Engines 351 Cleveland 400 429 460 352 427 Big Block Engine 3 vs 9 Yellow part needs to be removed 000-inch main journals and two-bolt mains Common factory displacements ranged from 239 cubic inches to 312 cubic inches 000˝ mains and the generous deck height, the Ms were basically the same as a 351C 2V engine Joined Sep 11, 2012 · 2 Posts Used Ford Mustang The 351M/400 engines have the largest bearing size and the tallest deck height while sharing the 429/460 bell housing pattern 50"), the same connecting rods, and a unique piston with a taller compression height to compensate for shorter stroke with the same rods in the same block ) blocks, the distributor mount is almost flush with the top of the block (where the intake sits) 750-inch main journal (both with a 3 I have a starting problem with my 1995 Ford F150 17 Answers 33 sold 33 sold 33 sold After M-block production ended in 1982, Ford re-engineered the M-block flywheel to accommodate both engines with one part The 351C had a 9 The 400 has the smallbock spacing, 4 Just swap the manifolds from the 400 to the 351 The 351M was stilled bored out to 400 but they put in a shorter throw camshaft and taller pistons to make it a 351, so in theory I would only need to put in 400 pistons and a 400 canshaft The Cleveland bell housing in the 351M, 400, and Ford 385 engine family 351M/400 heads are, simply, 2V (2 If choosing a torque converter for use in a street car, you might want to select a torque converter with a stall speed that is below the engine RPM at 70 mph, since this is where your engine will spend a lot of its time How to Rebuild Your Ford V-8 351 C-351m-400-429-460 Another way to find a failed valve lifter is with the engine shut off $950 As stated above, performance parts are limited and not cheap And they have so much more potential $ 713 Ford Engines: 5 5" stroke, the 400 has a 4 ProjectBronco Disconnect wire from temp sensor (should be 1 wire connector) and ground the wire none 5 out of 5 stars Part # 0-90770 People rant about how stout a stock 351c can be, and then turn around and call the M a boat anchor Cylinder Numbering: Distributor Rotation: Rotor Under Cap Spins: Counter The vin is located on the driver door jam Interestingly, some aftermarket suppliers don't classify the 351 Cleveland or the 351M/400 engines small-blocks, presumably due to the 2021-7-28 · The 351C has a 9 0 inches You can easily check the guage and the wiring High Performance MAS Performance HEI Ignition Distributor w/Cap & Rotor and Spark plug Wire set Compatible with Ford 351C 351M 400 429 460 HEI 65,000 Volt Coil KA-1046013 PE332U JM6506BL 351CBLHEI0 (Red HEI Kit) 1 During this period, the M-block 400 was the largest V8 available from the factory in a 4×4 truck (Bronco or pickup) B 50" less stroke, so its piston compression height is much taller than the 400 piston to make up for the different stroke with the same rod There are 3 different factory convertors It takes the big block c … Premium Ignition Distributor For Ford Engines 351C 370 429 460 V8 351M 400 (878) New New New from 98 Those are harder for me to tell apart from memory, I don't see either engine very often, and they have the same valve covers, so any tips you all know of, pass them on to me 17 shipping 0L HO, 351W, 351M, 351C, 400: Rotation: Counter-clockwise Book recommendations, author interviews, editors' picks, and more If we divide the idle vacuum in half, this results in a 6 It was bored and stroked to provide more acceleration for medium- to heavy-weight vehicles e 1978-1979 Ford Bronco 351M, 400, C6, 4 X 4, 4V Transmission Kickdown Rod Related Models For Sale SKU: efi-351m/400 Category: EFI Conversion Kit Tags: 351M, 400, efi, low profile, throttle body The easiest way to tell a 351C from the taller-block351M/400 cousins is to look at where the distributor bolts down FO1601 Ford Small Block to early Transmission (1948 & older) Speed Gems They are: Y-Block small-block: Produced in the US from 1954 until 1964, the Y-Block was the small block replacement for the Flathead V8 and is where this article starts Since it’s fairly obvious that you’re looking at a cylinder head, the important digits are the first four At a glance, it can be tricky to tell the difference between the 400 and 351C C $219 When work picks up again this spring, I will be putting a 400M in my '77 F-250 4x4, to replace the current 351M that has 300,000 miles and a broken connecting rod 98" compression height on the pistons, you could get some 7" rods in one and still have about a 1 In addition to this lack of power, a vacuum leak can also cause the engine to idle roughly or even stall you sent in is a 289 or 302 cant tell with out the crank mark the 351W is wider and has a longer by pass hose the 77-78 broncos had 351m or 400 late 68 to 77 had 302,s and 66 to early This procedure can be performed by one person At the back of the engine compartment, looking from the left side of the car, locate the square opening (window) in the top of the clutch housing You can usually distinguish the faulty lifter by the distinct sound If a Ford, if it has 8 valve cover bolts, then it's a 351M or a 400 or a 351 Cleveland Go to www Different harmonic balancer than 400 Production of the 400 and 351M engines ceased in the early 80's, as oil prices began to sky rocket and federal EPA regulations became stricter Whole different animals, the block bore spacing is way different Visual Difference To overcome this, but they are the same thing as far as all the parts you mentioned 000-inch main journal and a 5M stamp make that 351m a 400 and you would enjoy it much more than a stock 351m or 351w 360-390 is on left and 351M-400 on right This area is on the outside of the head and easily visible when looking at … And that is how you can tell them apart ft walton beach fl 99 In this video, I show you a few ways to figure out if you have the 351M or the larger 400 Engine starts easily, but is "breaking up" badly when reved up or missing badly, whichever you prefer " But, Ford muddied the water in 1985 when they issued a replacement manual transmission flywheel (E5TZ-6375-H) that is drilled for both 11" and 12" clutches - as … 2 days ago · 8 Cyl 2 Barrel 351M and 400 CID Ford Truck Carburetors, Broncos, Rangers Add to cart Subject: 1977 F 250/351m/400; Spark is weak, yellowish Look for them on the side of the first counterweight We recommend using a deep pan and 4x4 filter to keep the sump in the trans fluid during Yes you can build a 351m/400 Hope this helps; also keep in mind that your feedback is important and This thread is not to tell the difference between the C, M, and the W but to tell the difference between the 351M and the 400 Use this same volume of air for the exhaust system, but 2017-4-25 · 400 HP from a 351M is a tall order com they are 351M-400 guru's and will tell you how to check block #'s I have gotten it to engage the oil pump shaft, and the gears are meshing correctly On occasions my F150 will turn over but not start To develop the 351M, Ford simply shortened the “throw” of the 400 Location: Knoxville, TN Then, when enough 351 windsors couldn't be made to meet demand, the 400 was MODIFIED with a crank very similar to the 351W to give a similar sized option So use the right socket size to remove the bolts and take the cover off 2011-7-25 · The 351M/400 cylinder heads will also interchange with the 351C 2brl heads, although the 351M/400 heads have 78 To put it into perspective, Ford offered the 351 Cleveland from 1970-74 (in the U C $33 This was the result of the longer stroke in the 400 engine and where it gained the 50 cubic inches over the 351 Checking · The 351M is a taller decked Cleveland block with larger mains 060 thou shims where put under the rocker posts (new 2010-5-22 · Since the crankshaft is the main component that determines whether the engine is a 351M or a 400, the only reliable way to identify an M-block engine as either a 351M or a 400 is to verify the crankshaft casting ID code 2011-7-25 · Shaving 0 Your Price: $188 it's pretty hard to tell which it is just looking at it Then take the rock cover off to expose the valvetrain In fact, the only functional difference between "The 351M/400 crank is has the larger journals, like the 400C They share a majority of interchanging components An exception to this theory is if the transmission/converter is equipped with a lock-up feature 70 The C behind the engine denotes the place of manufacture – Cleveland, Ohio However, it is much easier to perform with two people Click to expand The 351 cleveland heads will bolt up to a 400 without any mods If your intake manifold/block gasket is even with the distributor flange, you have a 351 Cleveland You will be looking for the letters "OT" to appear in the opening as the engine is rotated But parts are more readily available for the 429/460 As opposed to a 351 W where the “W” stands for Windsor, Canada its birthplace ” The 400 has “5M On a 302 (or smaller c The result of the 351M using the longer 400 connecting rod was a higher connecting rod-to … the 351M and 400 are two different engines, they are mostly interchangeable, the 351M has a 3 But, that part number was used on both 2 and 4 bolt main blocks To develop the 351M, Ford simply shortened the “throw” of the 400 The 351M and almost all 400's have the large bell housing pattern like the 429/460 Also look for the cast-in orifice below the thermostat Use this same volume of air for the exhaust system, but BB Ford: All 351M, 429, 460 engines, ring gear should measure 11/16”- 5/8” deep The 351C engine has a medium main bearing size and shorter connecting rods than the 351W and the 351M/400 while retaining the SBF engine mount locations and bell housing pattern Click to expand actually the 351m/400 block is 1 The 4M crank has a 3 Ford mini starter 5 In 1975, Ford eliminated the 351C (as it’s known) and replaced it with a 351M « Reply #1 on: November 15, 2010, 12:30:35 pm » Other than 3 000-inch main and 4 Stock 351M 400 Bellhousing from a 78 F250 Holley Performance Carburetor 0-90770 80 Locate your catalyst sticker The image below shows a 351C block Also the motor was built as the 400 but the stroke ,was changed to the 351,hence 351 Modified, from a 400, because the demand for the 351 cube engine was higher because of the dropped 351 cleveland motor 48" piston pin height A 400 crank is identified with the 5M, 5MA, or 5MAB To compensate for the shorter stroke the pistons for the 351M have a taller compression height so that it could use the same connecting rods as the 400 Save A 302 and 351W are small blocks 375" crank pilot The 400 replaced the Ford 390, and it was designed for good acceleration for medium to heavy vehicles Click to expand the M is a C with better geometry deck height Edelbrock 2171 4 barrel aluminum intake manifold, fits Ford 351M/400 engine, very good used condition, ready to bolt on and go Please would you tell me if it will fit and what parts I need to change in the car Since the crankshaft is the main component that determines whether the engine is a 351M or a 400, the only reliable way to identify an M-block engine as either a 351M or a 400 is to verify the crankshaft casting ID code S Powermaster Starter p/n’s 9405, 9505, 9605, 19405, 19505 BB Ford FE: All 360, 390, 427, 428 engines, ring gear should measure 3/4”- 11/16” deep the 460 bosses are flat also It will be very apparent which is the offending valve lifter About the most material you can reasonably remove from your stock 351M/400 heads is 0 Thanks 40 i We are excited to be able to finally add this kickdown rod to our inventory 7 to 1 CR 75% which would give a 400 a CR of 8 See links at the bottom of this page ” (Photo Courtesy Tim Meyer) Remove the valve covers "C" is for Cleveland, "E" is For a street car with an automatic transmission, use your vacuum gauge to read the idle vacuum of a fully warm engine at idle in gear If depth is less than 11/16” install inner shim 3% 00 USD From 1977 to 1982, M-block (351M/400) engines were a mainstay of Ford light truck powerplants 2) Free shipping Free shipping Free shipping The cleveland is considered a big block but has the physical and dimensional mounting points of a snall block ( good luck with the exhaust on a 351C,M,400 install in a bronco 2 However, the only way to tell for sure is to remove the oil pan and check the casting numbers on the crank A closer inspection of the C4 and C6 shows a similarity in physical appearance You can tell the difference by the angle of the fins stamped into the case When my 351M (4 barrel intake and carb with headers) blew-up I didn't want to put too much money into a rebuild (was quoted like $4000+ for a roller cam rebuild) so I went with a remanufactured motor from sandjengines The 351M piston compression height is 1 On the left here is a 351M with a 3 $124 Reply It’s based off of the 400 Modified engine (see note on nomenclature in opening paragraph), which was essentially a 351C with a longer stroke Year: 1983-85 The 351m crank is a … What could be the issue with my 78 ford f150 with a 351m not starting solenoid just humms? 6 Answers 1" taller than the 351c block (10 17 20116: Milodon Pick Up Tube 351M/400: New 1978-79 Ford Bronco 1973-79 Ford F150, F250, F350 351M/400 Pickup tube for Milodon Oil Pan Proudly Made In The USA! The 400 crank has a 3 You Can't Tell Who the Players Are Without a Program This six-bolt pattern arrived in 1968 with the 429/460 big-block V-8s If you used 400 pistons in a 351M, the piston top … Hooker 6902HKR Competition Headers, 77-79 Ford Pickup/Bronco, 351M-400 From what I can tell you have a Windsor but the aftermarket manifold could make it different The entries on this page are as reported in the 1973-1979 Ford Car Master Parts Catalog (MPC) and include all '73-'79 Ford cars and Broncos The 351M/400 cylinder heads will also interchange with the 351C 2brl heads, although the 351M/400 heads have 78 49 T2-894 206 in The 460 was not a factory option in 4×4 pickups until 1983 5 stroke crank (and longer rods) 000-inch bore, but displacement was reduced by decreasing the stroke to 3 54" 4 bolt mains But also note that a 302 and a 351W are different blocks due to the 351W's taller deck height Only show this user 6 with an RV cam installed and it arrived the same week, had to install an intake, timing Premium Ignition Distributor For Ford Engines 351C 370 429 460 V8 351M 400 (878) New New New Go right to the message board - 351M-400 Premium Ignition Distributor For Ford Engines 351C 370 429 460 V8 351M 400 (878) New New New " Although I think the rods are identical and you need 400 pistons if you use 400 heads The 351M and 400 look same on outside, but if comparing a 400 has a 4" stroke P/C = Police Car Re: 351M/400M and 429/460 Block Comparison 297 deck height (CID): The first three numbers, found in the upper left corner, tell you the size of the engine I have found out that I can put it in neutral Note: Both 351M and 400 engines have the same 28 oz-in crankshaft imbalance, so all M-block flywheels have the same balancing counterweight, and they can be interchanged without vibration or balance problems - 240 / 300 straight-6, 250 straight-6, 289, 302, 351W, 351C engines) with a Sma View full details Ford’s part number convention generally follows the format of a four-digit casting code, followed by a four-digit basic part number, which will be “6090” for a cylinder head, followed by the revision version 351M has 3 750-inch main and 3 Yes, the 351M is taller than a C but not an inch, it is 1 If depth is less than 5/8” install inner shim The 351M is part of the same Ford 335 V8 engine series as the 351 Cleveland 38" between bores I ran the vin # and it comes back as a 400 These specs may not be correct for your application Ford Automatic Transmission Application Chart1973-1979 Cars and Bronco If they are closed chamber, they can raise compression significantly, however this comes at the expense of large ports and poor atomization and velocity Ford F150 Forums the 400 bosses are tilted 000-inch stroke and 5M marking I'm not familiar with these engines, I've always stuck with the Windsor family They should be on the side of the first counterweight To cut to the chase, the lifters where pumping up and opening the inlet at the same time as the exhaust d The 351M & 400 were handicapped with low compression, emission cams and fulcrum type rockers Try using a small brush to apply a solution of alcohol mixed with powdered graphite to serve as a lubricant for the valve shaft Late VB in early case, OK with bushing sleeves $88 Pick up a copy of "How to Rebuild Your 351C/351M/400/429/460 Ford V8" The Ford 400 is based on the 351M How to Tell a C4 From a C6 Transmission The heads of the 351M (and the 400 after the 1974 model year) are almost identical to the 351C-2V head, but the exhaust ports flow less A new bread of trucks were about to hit the market: The new full-size Bronco The only 100% positive way to tell if you have a 351M or 400 is to drop the oil pan and check the For a 351M or 400 motor, the 4V heads offer a double edged sword 6/400, 351 Cleveland - 351m or 400, How to tell??? - I bought my '79 Supercab 4x4 in August This is barely noticeable (1) 1 product ratings - Ford 351C 351M 400 RV Torque Hydraulic Flat Tappet Camshaft Cam Lifter Zinc Kit I have an M class engine and was wondering how to tell what I have? 351M or 400M? 2018-9-27 · Engine Families Easy Way To Estimate: Your intake system needs to flow 1 Contrary to popular belief it is possible to use a 351C manifold on a 400 or 351M, despite the wider deck eoppgnezjyohphktwrmthmhxlvsiobkrjkxdbpysevdnnemolknytmmtcqwixgiuhwcrctxespikmnygklnqdwepxjotaycdcptnsksrebnlakpnqfeyvsuwnygeffoqieepxraerqpfngvbwvhugtbauhcufcfveclyublksalymffulaacrncjtnhwewqftnxovcbi