Can I swap my engine for one out of a newer version of the same car

Asked by Apr 14, 2016 at 11:31 PM about the 1998 Chevrolet Malibu LS

Question type: Maintenance & Repair

I have a 1998 Chevrolet Malibu with a 3.1L motor.  A friend has a 2003 Chevy
Malibu with a 3.1L OHV motor.  Any idea if I can swap my motor out for the
3.1 OHV?  Mine needs a lot of work done, essentially a rebuild and the other
is in really good running condition.

3 Answers

61,405

This can be done,but you may all so need the donor car computer,and wiring harness,

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51,225

I agree with T_S_T

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870

It appears you have a LG8 engine that was used from 1999 to 2003 so an engine from several GM cars with that size engine would probably be a drop in exchange......but I also agree for best results use the engine control module from the donor engine/car. If you want a little more power, the LA1 was a bored version of the 3.1 and it was 3.4 (10% bigger) was used from 1999 to 2005 in these vehicles 1996 Chevrolet Lumina APV 1997-2005 Chevrolet Venture 1996-2004 Oldsmobile Silhouette 1996-1998 Pontiac Trans Sport 1999-2005 Pontiac Montana 1999-2004 Oldsmobile Alero 1999-2005 Pontiac Grand Am 2000-2005 Chevrolet Impala 2000-2005 Chevrolet Monte Carlo 2001-2005 Pontiac Aztek 2002-2005 Buick Rendezvous

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