Quote:
Originally Posted by Triple Jim
You think that's bad? My 1967 289 ford V8's factory spec for the big end rod caps is 18 lb-ft! I got SPS bolts and torqued to a stretch spec, which got them up in the 20s. They're 5/16" diameter bolts.
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i would expect a beefier bolt/nut combo on something that revs so high. i guess im just used to wrenching on engines that used 3/8" arp hardware, a whole other ball game. i have never rebuilt a bottom end with stock rods, always forged w/arp hardware, its cheaper, and stronger that way