Quote:
Originally Posted by brent flynn
Im guessing that the problems are coming from: too much ramp, too much RPM(Valve float) and not enough spring, is what causes the problems... Everything has a limit...even roller cams... i would like to hear from all the guys that arent having trouble with Smiths or even older Shubecks...These are guys that are probably running less than 7k through the traps...
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I have the older Schubecks that came with my engine, I have had the engine for 6 or 7 years and I would guess there is maybe another 10 before that and no problems. I did break a rocker a few years ago, had everything magnafluxed and scoped , all that showed was two more cracked rockers, I cross the stripe at 72-7300 RPM's...