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87 TPI wiring harness into an 85 TPI

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Old Nov 8, 2000 | 01:38 PM
  #1  
Jim85IROC's Avatar
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From: Readsboro, VT
Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
87 TPI wiring harness into an 85 TPI

I'm planning to swap my POS 85 ECM for an 87 and instead of cutting up my wiring harness, I'd rather just swap that too. Other than the MAF equipment and the dual fans, what else should I be aware of in terms of differences?

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Old Nov 9, 2000 | 06:35 AM
  #2  
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Jim,

I'm not sure of any other differences, but take good notes - I see a Tech Article coming out of this somewhere.

I'm not sure when, but the connector designs changed somewhere between '84 and '86, so you might have an issue with connections at all the devices,

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Old Nov 9, 2000 | 08:47 AM
  #3  
Jim85IROC's Avatar
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Posts: 13,579
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From: Readsboro, VT
Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
[/quote]I'm not sure when, but the connector designs changed somewhere between '84 and '86, so you might have an issue with connections at all the devices,
[/quote]That would **** me off a great deal if it was necessary for me to replace every single sensor and plug. I gotta think that the TPI sensors were the same throughout the duration. At least that's what I'm hoping.

------------------
The IROC Homepage
<A HREF="http://www.rit.edu/~jli4307/camaro" TARGET=_blank>
View the restoration of an 85 IROC</A>
"I didn't know a bored out Ford could go so slow" -Shenandoah
Reply
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