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-   -   DP Hemi - Hydraulic Roller Lifters (https://classracer.com/classforum/showthread.php?t=32062)

steff 03-13-2011 09:50 PM
DP Hemi - Hydraulic Roller Lifters
 
Are the DP Hemi's in Stock running 100% stock OEM lifters or are they being shimmed to within .015", to run the RPM's they do?

spike1 03-20-2011 01:39 PM
Re: DP Hemi - Hydraulic Roller Lifters
 
Ours are OEM stock and run up to 8400 rpm with no problem.

steff 03-20-2011 01:43 PM
Re: DP Hemi - Hydraulic Roller Lifters
 
Thanx for the info!! I've heard that valve springs are more of the key to high rpm than the OEM lifters.


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