Purple Shaft Cam Specs??

RustyRatRod said

The first and original Hemi grind was the dual pattern listed above in post #17 I believe.

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Yep, had one of those in 1980. It was too small. So I went to the 292/509 cam. It was a bit small but I didn’t have adjustable rockers so I settled.

Then I went to roller cams.