LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Keyway on Crank - TDC??? Keyed Hub?

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Old 04-20-2003, 05:46 PM
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Question Keyway on Crank - TDC??? Keyed Hub?

I know our cranks have a keyway and I was looking at getting a keyed hub they sell at Thunder Racing. My harmonic balacer has those balancing weights so it's very important that it goes with it pointing up at TDC. Now, is the crank keyway positioned at TDC? I don't think it is so I'm wondering if that will prevent my from using their keyed hubs.
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Old 04-20-2003, 07:06 PM
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I have a keyed hub. When I lined up the dot on the crank sprocket (of the ED timing set) in the 12 o'clock position the keyway was in about the 2 o'clock position. I don't know if this helps you through.
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Old 04-20-2003, 07:09 PM
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Originally posted by Don 97 SS
I have a keyed hub. When I lined up the dot on the crank sprocket (of the ED timing set) in the 12 o'clock position the keyway was in about the 2 o'clock position. I don't know if this helps you through.
The line on the hub should be just like the dot on the crank gear with the keyway like Don said.
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