06-23-2019, 06:28 AM
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CC Member
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Join Date: Feb 2012
Location: Keller,
TX
Cobra Make, Engine: Lonestar Classics LS427. Self-built 408W, AFR 195 heads, Performer RPM Intake, Quick Fuel 750, 407rwhp, 479rwtq
Posts: 549
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Not Ranked
As per AFR's instructions - 55 ft/lbs.
I'm tempted to try a stud girdle. I like the shaft rocker systems but $1300-2000 seems kinda steep. I upgraded to the 7/16 diameter studs and I don't twist it above 6000 rpm on my .600 lift cam. So I shouldn't NEED a girdle.
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