Just curious, cause im sort of in a bind as of now

 

I'm gonna Yes since the sensors are all the same (except for the deletion of the cold-start injector in '89). And, since you can run '89 code in an '87 or '88 F-body, then the sensors must report back to the same pins (or wherever) in the computer.

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Greg Westphal
'87 IROC 355TPI/A4

 

The ECM's are the same.

I think the PROM is different. 89 uses ARAP right?

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-86 IROC

-=ICON Motorsports=-

 

Right, well, not from the factory, but it's what most of us MAF guys are using. Any PROM from any '86-89 TPI F-body will work in any '86-89 TPI F-body, although it helps if they're for the right combination (engine, tranny etc.) or programmed for the particular combination.

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Greg Westphal
'87 IROC 355TPI/A4

 

If you're going to use the '89 harness, you need to use an '89 PROM because there's no cold-start injector.

 

well i think i was screwed cause if the harness was an 89' there wouldnt be a harness for the cold start injector and there is, so the harness must be an 87-88' besides all of the relays that i bought from stores were rectangular instead of the ovals which where given in 89'.