Slow build 71 Scamp 440

Skeeter007 said

Ok lifters bought and also grabbed some swag. I’ll pop them in and do a measure with the factory rockers. Then we’ll take a look at push rods. My stamped factory rockers may just be adequate with that cam but those aluminum roller rockers are enticing and probably better option.

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The factory stamped rockers will want a ball end, not the cup end that’s on the measuring tool you bought. Aluminum rockers will likely use the cup end (but not always)…maybe use that as your motivation to get those rockers you want;). Also, I don’t know big block typical length, but that measuring tool is listed for small blocks.