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Old 05-24-2015, 06:57 PM   #1
Dyno
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Default Re: lost valve lift part II

Good video! Thanks
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Old 05-25-2015, 01:34 AM   #2
HTMtrSprt
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Default Re: lost valve lift part II

The rest of your lift loss is in cam flex and rocker arm flex. Also, you should check the lift with ALL the pushrods and springs in place (just like it's run).

Last edited by HTMtrSprt; 05-25-2015 at 01:43 AM.
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Old 05-25-2015, 11:07 PM   #3
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Default Re: lost valve lift part II

the rockers are Comp stainless. while there could be flex, I cant see .020"
for future ref., I do like the idea of the razor blade-nice and flat.
I have given the idea of cam flex a great deal of thought.
one thing I want to check is how much clearance there is between the journal and the bearing.
I have tried several different lengths of pushrods and even a checking PR. no change.
I can see several thou. stack flex. but I cannot see .020.
I still wonder if others are having this problem and do not realize it. beings that my friends engine showed the same loss.
thanks for the ideas all.
Rod in AZ
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