What prom do I need for 350 swap??
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Senior Member
Joined: May 2001
Posts: 509
Likes: 1
From: N/a
Car: 1986 IROCZ
Engine: LB9....rebuilding coming soon
Transmission: rebuilt 700R4
What prom do I need for 350 swap??
My mechanic told me I d need a new 350 prom for the new engine im about to drop in where do I get one or what year 350 car could I use with an 86 iroc tpi??
Supreme Member
Joined: Mar 2003
Posts: 4,771
Likes: 15
From: Florida
Car: 1987 Black IROC-Z (SOLD)
Unless the ECM is different from a 87 305 TPI, I just bought a 1988 stock GM prom for a 350 TPI to get my swap up and running then I switched over to one from Fastchip.
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