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General Site Info => General Discussion => Topic started by: k5blazerfan on December 25, 2010, 08:24:57 pm

Title: 3.1 gm for a 3.8 gm
Post by: k5blazerfan 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

Title: Re: 3.1 gm for a 3.8 gm
Post by: Stewart G Griffin 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?

Title: Re: 3.1 gm for a 3.8 gm
Post by: ron350 on January 02, 2011, 11:06:56 am

w-body.com would be a good place to start for that motor swap information.

Title: Re: 3.1 gm for a 3.8 gm
Post by: Captkaos 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.