Originally Posted by Transman
Originally Posted by RapidRobert
I'm assuming that a .488/.480 listed cam, that this is with 1.5 rockers & with 1.6 mag rockers that I need to some slight math to get a true number? Thank you for your time.


Divide the listed lift by current rocker ratio then multiply by the new ratio.


Or simply multiply the actual lift by 1.0666667 ( which is the same, but on a single operation )

If want to know with 1.7 rockers, the multiplier factor would be 1.13333333

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