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is bellhousing pattern the same?


CreepyCrawler

NCMillwright
TRS 20th Anniversary
Joined
Jul 17, 2011
Messages
186
City
Wilmington, NC
Vehicle Year
199119962014
Engine
4.0 V6
Transmission
Manual
My credo
it is what it is
is the 351m and 302 bellhousing pattern the same?
 
so a flywheel from/for a 302 is needed. and the starter should still remain the same correct?
 
ok thats helps thanks. the 302 i have is a 74...my np435 im using came off a 351m. so from what im gathering from the tigerdan post i need the correct flywheel for my motor and then the correct starter and flexplate for the motor (not the other way around as far as the tranny is concerned because the bellhousings are the same)?
 
A 351M(Modified) & 302W(Windsor) do not have the same bellhousing pattern!!

A 351W & 302W do.

Hopefully you meant 351W

Yes what he said. The 351M, M for Modified, does NOT share a bellhousing with the 302, or 351W, W for windsor.
 
The 351C [cleveland] and 351W [windsor] share bellhousing bolt pattern with the 302. The 351M [michigan?] shares bellhousing pattern with the 429/460. To confuse things, IIRC the 351C shares the distributor with the 429/460.

Richard
 
The 351C [cleveland] and 351W [windsor] share bellhousing bolt pattern with the 302. The 351M [michigan?] shares bellhousing pattern with the 429/460. To confuse things, IIRC the 351C shares the distributor with the 429/460.

Richard

351M, the M means modified.
that engine started out as a 400 CID, the factory put 351 cranks in them to make a 351M. rods and pistons differ between them too.
bellhousing is also the same as FE sries, 352/390/428

Perry
 
^^^Well, now I'm confused. The 429/460 doesn't share a bell pattern with the FE blocks. Either I'm mis-informed or you are. I have never actually measured the 351m bolt pattern, did you?
 
351m shares a bellhousing with the 429/460, not the FEs. I know this because my buddy had a 79 f150 that had a 351m, a 400m, and finally a 460, but one transmission, lol.
 
Yup.

302, 351W and 351C all have the same bolt pattern

351M, 400, 429 and 460 mostly have the same bolt pattern

There are a few early 400's that snuck out in cars with a small block bolt pattern but they are very rare.
 
the I6 300 is also same as SBF Windsor
 
the I6 300 is also same as SBF Windsor

So is the 3.8 and 4.2 for that matter, later on they went to 12mm bolts so you have to bore out the tranny bellhousing holes to get SBF 1/2" bolts in but the pattern is the same.
 
Last edited:
so i need a windsor bellhousing to mate to a 74 302 correct?
 

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