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racin69z · 08-11-2011, 10:53 AM

If you only drive it 500 miles a year, put a solid roller in and forget about it. I am running a solid roller in the camaro, and I drive it around 500-1000 miles a year. I run the crane horizontal bar solid roller lifters. I am running 230# on the seat. Not sure on open pressure IIRC the springs maxed out a 500 or 600# tester before I was at open height. Its been too long.

I set the lash when I built the motor and haven't had to adjust it since. Its been together for 4 years since the last tear down. Just make sure and run a stud girdle.

600-650 should be easy to make depending on what stall you want to run and still be easily driveable.

Lynn

08-11-2011, 10:53 AM	#12
racin69z Registered User Join Date: Sep 2007 Location: jackson MO Posts: 143	Re: Best headand cam combo for 421 SBC If you only drive it 500 miles a year, put a solid roller in and forget about it. I am running a solid roller in the camaro, and I drive it around 500-1000 miles a year. I run the crane horizontal bar solid roller lifters. I am running 230# on the seat. Not sure on open pressure IIRC the springs maxed out a 500 or 600# tester before I was at open height. Its been too long. I set the lash when I built the motor and haven't had to adjust it since. Its been together for 4 years since the last tear down. Just make sure and run a stud girdle. 600-650 should be easy to make depending on what stall you want to run and still be easily driveable. Lynn