by request new thread, hope this helps guys
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#25
There are far more people running a similar setup without problems, then there are with problems. You don't seem to understand how or why pushrods that are too long cause these kind of problems. I don't see how you are running those pushrods, it doesn't add up to me. A had a previous engine builder measure pushrod length, and because he wasn't used to hydraulic roller setups his measurement was off .150". FWIW my LT1 required 7.150" pushrods with OEM lifters, and 7.250" with Morel lifters.
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#30
other than needing a new builder you need shorter pushrods, if your just to lazy to check them swap them for a set of 7.150 rods and take it for a ride and let us know how that goes