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Electronic/Mechanical VSS Help

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Old 06-09-2011, 08:44 PM
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Electronic/Mechanical VSS Help

OK, I'm about to build a half electric/half mechanical 700R4 that I plan to swap into an older Camaro...

My question is that there are two GM part numbers (and several aftermarket equivalents) for the 9C1 and B4C cars that had a VSS that would support both a mechanical speedo and provide the 4000 pulse VSS input for the ECM.

The OE part numbers are:
10456131 and
10456132

I'm assuming that one is for driven gears with 39 teeth or less and the other is for driven gears with 40 teeth or more.

Does anyone here know:
1) if in fact that is the case and
2) if I'm right, which one is which.
Old 06-09-2011, 09:25 PM
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Re: Electronic/Mechanical VSS Help

Deffinately a question for the transmission section
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