bell housing problem
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New User
Joined: Dec 2003
Posts: 22
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From: wa
bell housing problem
hello i have a 77 ford f-100 that had a 351m with a 4 speed man. trans. in it, but the engine had a crack in it so im in the process of swaping it for a 351m out of a 78 thunderbird that had a auto trans in it, i went to try to line the engine up to the bell housing and the bold patterns are different, what should i do, buy a new housing, make an adaptar plate ?? please help thanks tye
Senior User
Joined: Feb 2004
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From: Woodland Hills, CA
The FE was killed off earlier than that. It has to be a small block or someone swapped a cleveland into there which is extremely similar to the modified cleveland motors. The cleveland does have the small-block bellhousing, too. Even if its a 370 baby big block, it'd have the same bellhousing.
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Joined: Mar 2004
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I have a 1978 f-150 300 i6 with an np435 four speed i was wandering if a 351m (from another 78) would bolt up to my bell housing?
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Joined: Jun 2001
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From: Watertown, NY
You could change the bellhousing on the tranny. It then would bolt up. Im not sure about the engine mount towers though. The 351m/400m engines have the same engine mount towers as the 302/351 but I dont know if the I6 has different ones than those. So basically if you want that engine in your truck you need some small block engine towers and a big block bellhousing from a 351m,400m,429,460...there are some more but I know those off the top of my head. Hope this helps.
Ryan
Ryan
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From: Paola, KS
I realize that he is refering to the bellhousing patterns, but if you are identifing the motor from the valve cover bolts 351c and 351m used the same heads. Although the 351c is a small-block pattern and the 351m is a big-block pattern on the bellhousing.
Is the thermostat housing on both engines located on the block and not the intake manifold?
Is the thermostat housing on both engines located on the block and not the intake manifold?
Last edited by Brian460; May 16, 2004 at 11:29 PM.