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Author Topic: 3.1 gm for a 3.8 gm  (Read 2200 times)

Offline k5blazerfan

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3.1 gm for a 3.8 gm
« on: December 25, 2010, 08:24:57 pm »
hey i got a 94 olds cutlass supreme 2 door with the 3.1 and i was wanting to swap it out for an ssei pontiac 3.8 liter i was wondering how much o f a pain it would be
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Don't forget the tow chain!!! Might have to tow a ford home! :)

Offline Stewart G Griffin

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Re: 3.1 gm for a 3.8 gm
« Reply #1 on: January 01, 2011, 08:53:51 pm »
It would be very painful.  But the 3.8 should bolt to the transaxle no problem at least?
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Offline ron350

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Re: 3.1 gm for a 3.8 gm
« Reply #2 on: January 02, 2011, 11:06:56 am »
w-body.com would be a good place to start for that motor swap information.
« Last Edit: January 02, 2011, 11:08:31 am by ron350 »
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1975 C10 step side stock with 350 two bbl. & 350 trans.

Offline Captkaos

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Re: 3.1 gm for a 3.8 gm
« Reply #3 on: January 02, 2011, 12:42:47 pm »
I am going to throw a huge wrench in this for you, You have to swap transmissions first as the 3.1 and 3.8 don't have the same bellhousing pattern.  On top of that you basicically need a running donor that you can pull the whole wiring, cables, lines, etc as none of that is the same either.  And if you could find a donor running cheap enough, it would be easier just to drive it.
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