I had gotten my c-4 from a 250cu Maverick, small bellhouing for header clearance, get the 157 tooth flexplate and starter index plate, rebalance the flexplate to 50oz .The years are 70 to 78 ? Then rebuild it to v-8 specs that was 5years ago,no problems. If you need a complete unit call Dymanic Trans. My 60ft went from 1.81 with stock motor to 1.73 but trap speed was a little slower!
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