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08-16-2011, 07:03 PM
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6500 rpm with 3/8 studs
starting to pop the rocker studs at the poly lock at 6500, 6000 grand they last all night long,is 6500 a limit for 3/8 screw in studs for rocker studs , and should i up grade to a 7/16, or is there a different problem,been running this 3/8 for a year and a half, do think it is just fatige and need to change studs, what do you do think 3/8 studs are capable of rpm wise
Last edited by bigdozer; 08-16-2011 at 07:19 PM. 
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08-16-2011, 07:39 PM
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What are the rest of the specs on this engine ? 6000 that's a pretty good spot if you ask me, but i have seen people with 3/8 studs go 6500 and up but that getting risky. JMO
Cole
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08-17-2011, 08:11 AM
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What brand of studs?
The studs that Dart and World used to include in their heads were crap and would break under normal use so I always replaced them with ARP. #/8 will work for most any flat tappet cam, but rollers need 7/16.
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08-17-2011, 08:16 AM
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GM's 1996 LT4 in the manual trans Vettes used a 7/16" stud and that engine was rev limited to 6412rpm.
GM did that for a reason I guess. peace Hog
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