Tapper to roller cam conversion

matt030305 said

My plan is to replace the current j heads with edelbrock aluminum heads. I’m doing a top end rebuild

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That should do it with the right parts.

As for hydraulic roller, if you run a mechanical fuel pump you need a roller cam with the right snout for the pump, a set of retro fit roller lifters, push rods, and possibly the distributor/oil pump gear with the right material.