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Old 06-01-2005, 11:21 PM   #1
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Join Date: Oct 2002
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Crank pulley bolts torque specs???

What are the torque specs on a crank pulley bolt for a 350 sbc??? Also, what is the torque spec on the dampener bolt. I lost a crank pulley bolt and I believe the dampener bolt is loose (washer has play to it).

I bought a grade 5 bolt from a hardware store. The crank pulley bolts from an auto parts store were $9.00 as opposed to $.48 cents from a hardware store. Is a grade 5 strong enough???

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Old 06-02-2005, 02:31 AM   #2
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Re: Crank pulley bolts torque specs???

I'd get a good set of grade 8 bolts if it were me. I believe the torque is 50 ft/lbs for all the crank bolts.
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Old 06-03-2005, 11:27 AM   #3
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Re: Crank pulley bolts torque specs???

'11 Kona Blue 5.0, 3.73, M6, Brembo....
'94 Z28, M6, cam n' stuff (gone after 9 years!)
'88 S10 project, a nitrous'd bike, too many irons in the fire, etc...
Measure with micrometers, mark with a scribe, chop with an axe..
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Old 06-03-2005, 11:27 AM
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