Thread: TBI swap
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Old 03-26-2017, 12:51 PM   #6
Bigdav160
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Join Date: Apr 2011
Location: Klein Texas
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Re: TBI swap

He'll need the reference signal from the distributor or the injectors won't fire.

I'm not sure if the module in a regular mechanical advance HEI will supply the correct signal. it's been a while since I've scoped that circuit. Non-GM computer would be different.
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