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Hi
I have a chevy 350 Goodwrench motor. It has 2 piece rear main seal but small diameter cranckshaft flange. My question is: what flexplate do I have to get? Internal balance or external?
I have a flexplate from a corvette lt1 1994, It has the same pattern, will be ok?
thanks
 

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I'm not 100% on this, but I believe the old 2 piece rear seal sbc motors were external balance. So I don't think a lt1 flexplate would be the right choice.
 
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