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Author Topic:   crankshaft
BIGG C
Dirt Maniac

Total posts: 114
posted November 14, 2005 06:54 PM  
Spun bearing on stock ford crankshaft. Didnot tearupjournal to bad, but did black it. Should I try polishing it, turning it, or get another crankshaft? BIGG C

goinrcn44h
Dirt Freak

Total posts: 206
posted November 14, 2005 08:05 PM  
Take it to a crank shop and have them measure it.. and polish or grind it and check it for straight. you can grind a single journal and be ok. just have to remember to use the proper bearings is all. if its straight it shouldnt be a big deal to get back in order.
44H

stockcar5
Dirt Forum Champ
Total posts: 579
posted November 19, 2005 10:29 AM  
if its black it got very hot. chances are its cracked. a good american 4340 crank can take that abuse and not be cracked, but chances are if its cast or china forged then its junk. have it magged first.

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