put 2005 GrandPrix 3800 Series3 into a 1997 Lesabre
Senior Member
True Car Nut
Joined: Mar 2010
Posts: 7,124
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From: Portage mi
First off welcome to the GMForum and i don't understand your question.Are you asking if its is possible to replace a s2 with an s3?Of course anything is possible will it be easy NO it would mean all new computer/wiring harness/pin switching ect ect.It would be much easier to replace it with a s2
Artist
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Joined: Jul 2009
Posts: 5,283
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From: USA
First off welcome to the GMForum and i don't understand your question.Are you asking if its is possible to replace a s2 with an s3?Of course anything is possible will it be easy NO it would mean all new computer/wiring harness/pin switching ect ect.It would be much easier to replace it with a s2
DINOSAURUS BOOSTUS
Expert Gearhead
Joined: Mar 2005
Posts: 41,391
Likes: 26
From: Enfield, CT
Did this again the other night. It'* a very easy swap. The block, heads, LIM etc are all externally the same and the internals are a little better.
To make this as easy as possible, here'* how you do it.
Swap the UIM over (the metal one would require a $75 TB adapter)
Swap the rear exhaust manifold (all the others are fine to keep)
Swap the oil pan and pick up tube.
Swap the oil filter adapter
That'* all there is to it. A mechanic buddy of mine called and asked about L36 motors and I let him know that most L26'* were going for less money with many less miles. At $300 he got a 60K motor and is a happy guy.
To make this as easy as possible, here'* how you do it.
Swap the UIM over (the metal one would require a $75 TB adapter)
Swap the rear exhaust manifold (all the others are fine to keep)
Swap the oil pan and pick up tube.
Swap the oil filter adapter
That'* all there is to it. A mechanic buddy of mine called and asked about L36 motors and I let him know that most L26'* were going for less money with many less miles. At $300 he got a 60K motor and is a happy guy.
Senior Member
True Car Nut
Joined: Feb 2003
Posts: 4,508
Likes: 2
From: Philly
Did this again the other night. It'* a very easy swap. The block, heads, LIM etc are all externally the same and the internals are a little better.
To make this as easy as possible, here'* how you do it.
Swap the UIM over (the metal one would require a $75 TB adapter)
Swap the rear exhaust manifold (all the others are fine to keep)
Swap the oil pan and pick up tube.
Swap the oil filter adapter
That'* all there is to it. A mechanic buddy of mine called and asked about L36 motors and I let him know that most L26'* were going for less money with many less miles. At $300 he got a 60K motor and is a happy guy.
To make this as easy as possible, here'* how you do it.
Swap the UIM over (the metal one would require a $75 TB adapter)
Swap the rear exhaust manifold (all the others are fine to keep)
Swap the oil pan and pick up tube.
Swap the oil filter adapter
That'* all there is to it. A mechanic buddy of mine called and asked about L36 motors and I let him know that most L26'* were going for less money with many less miles. At $300 he got a 60K motor and is a happy guy.
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