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Old 03-23-2010, 10:23 PM   #1
BigBlockBurris
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Join Date: Nov 2001
Location: Concord,NC,USA
Posts: 743
Flywheel question

I need some help. I am fixing to swap motors in a 1968 GMC with a four speed (SM-420). I am installing a one-piece rear main seal 350. So heres the question. What flywheel do I use for the one piece rear main seal motor, but with the mechanical clutch linkage. All factory one-piece rear main seal straight drives were hydraulic clutch.

Thanks!

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