LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Whats the difference between these hubs, and which is correct for my car?

Old 07-28-2011, 12:35 AM
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Default Whats the difference between these hubs, and which is correct for my car?



The bottom, darker colored came off my old engine.
I would like to know what the longer one came off of and to make sure the one that came off my car is the correct one. (the previous owner was NOT very smart with some of the repairs to this car)
Old 07-28-2011, 06:08 AM
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The longer of the two is for a Roadmaster/Impala/Caprice (3.99-4.09" overall length). You do NOT want to use this hub in your f-body as the added length won't allow your accessories to line up. Use it, and you'll be tossing belts left and right.

The shorter of the two is a F/Y-body hub, but it depends on it's overall length. If it is 3.519" long, it's for an OBDII car. If it's 3.419" long it's for a 96+ OBDII car (the shorter hub is to allow for the CPS reluctor ring). Since you have a 95 car, you need the one that's 3.519" long.
Old 07-28-2011, 11:49 AM
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^Correct! Also to add, if you are rebuilding the motor have them balance the hub as well. I had two that ended up being door stops, and I bought a keyed hub assembly from Pioneer.


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