Flywheel Identification

jhodgson

New member
I aquired a BOP aluminium bell housing and a Buick flywheel. I don't know if the flywheel is from a V6 or a V8. The casting number is 1257035-2. It bolts up to a 350 crank but doesn't seem to have any provisions for any particular clocking. The tooth count and diameter are the same as the flex plate that came off the 350. Does anybody know what this fits and does it make any difference how I orient it?
Thks
 
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