Re: engine tranny compatability
Two sizes of flex plates and two weights.
Asuming the C4 doesn't have the small bellhousing the new flex will work. If the plate wont fit in the bell, then you'll need a 157 tooth (smaller) plate balanced at 50oz.
Make sure the starter hits the wheel before it all goes in. Also that the convertor will bolt to the flexplate.
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Frank
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