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Will 88 TBI ECM Interchange with 89 TBI?

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Old Nov 8, 2009 | 09:18 PM
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JP007
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From: Rhinelander, WI
Car: 89 Formula
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: 9 Bolt 3.27
Will 88 TBI ECM Interchange with 89 TBI?
Will an 88 TBI 305 ECM interchange with 89 TBI 305? Found one with 92k on it. Both are Formula Firebirds.
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Old Nov 9, 2009 | 08:30 AM
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From: Chasing Electrons
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Re: Will 88 TBI ECM Interchange with 89 TBI?
Originally Posted by JP007
Will an 88 TBI 305 ECM interchange with 89 TBI 305? Found one with 92k on it. Both are Formula Firebirds.
Yes, the '88 ECM may be used in place of the '89 ECM. Due to VATS it won't work the other way around.

RBob.
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