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Old 01-26-2011, 10:24 PM
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L31 Harmonic damper

Can I put a 6.75" SBC damper on a Vortec instead of the stock 8" one? Is there something on the crank that wouldn't let it go on all the way?
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Old 01-26-2011, 11:54 PM
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Yes, read this Thread & look at the Pics Cobalt327 posted.
Simple Vortec Swap?
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Old 01-27-2011, 09:06 PM
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I guess according to that thread I will need to pull that reluctor wheel off to let the older damper fit all the way back.
Does that sound right?
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Old 01-28-2011, 08:38 AM
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As long as the motor isnt fuel injected! The computer relies on that reluctor ring and crankshaft position sensor to control fuel and timing!
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Old 01-28-2011, 03:24 PM
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It's going in our 48 Willys station wagon. Going to put a TBI on it with a 747 ECM.
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