Quote:
Originally Posted by larry asa
Chevy 427
Thanks Bill
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Larry,
We run the stuff from Clark Holroyd, and have since 2006. We bought a complete setup, and have not broken a single rocker since. We are going to finally break down and put a new set of rockers on this Winter. I'm running 265# on the seat, and 550# open pressure. We turn as much as 7800 RPM, and make probably 100-150 passes a year, plus dyno time. Clark's stuff is just plain GM.
Are you fully deburring your rockers?
Where are they breaking?