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Thread: Which clutch?
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Old 12-31-2012, 11:07 AM
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Originally Posted by 31ROC View Post
OK guys,,,,here's what I got...removed 700R4 today, attached are pics of crankshaft and flexplate....this should help you all determining what to buy for a clutch and flywheel.....I believe it is 1 piece seal so that should help!
Well now I'm even more confused...(this is easily done)....I was fairly sure I had a 1-piece seal motor from the info I absorbed from another thread giving the block number I found. Now (see attached pics), after reading more on-line info (GMparts-direct), if I have a 3.58" bolt circle for the crank flange, then it is a 2-piece seal motor, which is pre-1986? So I measured the flex plate after removing, measured the 6 bolt mounting holes, and sure enough it is 3 1/2". So does this mean I have a 2 piece seal, pre '86 motor? and need a flywheel without counter weights?
Do I match the diameter of the flex-plate to the new flywheel and same amount of teeth-correct? (153)
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