Favorite BBC Rod Thread
#45
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When you detonate the piss out of the motor the piston will want to rotate in the bore. The I-beam design is alot stronger as far as twisting goes. I think I still have some pics in my old phone of a set of rods that came out of a nitrous motor with a bad tune up. This is not a big mystery to nitrous builders.
#50
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Location: Chesterfield Va.
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Just my 2 cents butt most of the time when a Rod fails.... something else has happened first (spun bearing) oiling issue "something" its not to often they just break , not saying they can't or won't break but rarely.... I was IHRA Record Holder in 84 and 85 in A-Gas 468 bbc with tin-dipped chevy rods 8600 rpms never a problem. I know thats different from boat engines but as others have said.... tune up.. Clearences when built etc etc will blow one up quickly.
Last edited by jamie 10017; 12-09-2014 at 04:07 PM.