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What's the most seat pressure you've used on a hydraulic roller lifter? Namely a LS7 lifter or drop in Morel?

TIA.
 

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We've run 200 seat on many setups, and on competition NMRA and Fun Ford (when it was still in business) engines I've seen over 300 seat, but that was race only, no street, with the lifters almost bottomed out. I run 180 seat on my street car that I drive 3 hours round trip to the track. I have homemade limited travel LS7 lifters consisting of 7/16 head stud washers with the OD turned down to just fit inside the lifter body.
 

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we've run 250 on lunati link bar lifters in some endurance applications. Not sure i would try that on an ls7 lifter
 
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