LS1 Engine Swap
Check this site. It was a 97 v6 to LS1 conversion project.
http://www.dxsoftware.com/magnus/v8swap.htm
Here is one quote from the page:
Swapping an LS1 into a non LS1 car requires complete PCM harness rewiring. It is so in-depth that I cannot go into it all on this page. Use my wiring diagram as reference for your project. I kept my stock harnesses intact and just mated my LS1 harness to work with them. Main differences are though, that the LS1 PCM grabs its powerup, starter and fuel pump relay from the underhood harness where as the LT1 harness goes under the passenger side firewall.
http://www.dxsoftware.com/magnus/v8swap.htm
Here is one quote from the page:
Swapping an LS1 into a non LS1 car requires complete PCM harness rewiring. It is so in-depth that I cannot go into it all on this page. Use my wiring diagram as reference for your project. I kept my stock harnesses intact and just mated my LS1 harness to work with them. Main differences are though, that the LS1 PCM grabs its powerup, starter and fuel pump relay from the underhood harness where as the LT1 harness goes under the passenger side firewall.
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