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Old 03-10-2012, 01:35 PM
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philminotti philminotti is offline
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Join Date: Aug 2004
Location: Orange, CT
Cobra Make, Engine: KMP 736 Street, Pond 482, FAST XFI EFI
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Although not a professional builder, I think rod bolt failures account for the majority of supposed rod failures, at least outside of pro racing circles. Cheap bolts, old bolts, and especially improperly installed bolts. ARP bolts have stretch criterion for installation, and using a simple torque wrench just doesn't cut it in a stressed application. In fact, a race engine builder told me that he brings his rod bolts to spec stretch three times before he actually does the final install!

phil
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