"The"hybrid" set-up takes the hydraulic action of the lifters out of the equation, so they will rev right past where HR lifters give up without additional spring pressure."
And here in this application Cliff is talking about 145 or more lbs seat pressure.
And in the opinion of many that should be a minimum after they lose a bit of pressure after run in.
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'70 TA / 505 cid / same engine but revised ( previous best 10.63 at 127.05 )
Old information here:
http://www.hotrod.com/articles/0712p...tiac-trans-am/
Sponsor of the world's fastest Pontiac powered Ford Fairmont (engine)
Best time 5.13 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension
https://www.youtube.com/watch?v=qDoJnIP3HgE
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