| dan adams |
06-11-2003 06:10 PM |
torque specs for alum flywheel?
Does anyone know what the torque specs for an aluminum flywheel onto a 460 are? Clutch bolts as well? Dan
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| Rick Parker |
06-11-2003 06:58 PM |
What brand fasteners are you using and what diameter are the bolts?
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| dan adams |
06-11-2003 08:04 PM |
ARP 7/16-20 on the crank and ARP 5/16-18 on the clutch. Would you use washers on the crank against the aluminum? Dan
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| Rick Parker |
06-11-2003 08:37 PM |
About 15FT lbs for the clutch cover plate, and 85Ft LBS for the flywheel to crank. The outer bolts securing the clutch cover will not take the same torque in aluminum as they will in cast iron or steel. Use a little red 242 loctite on all of them too.
Good thought regarding the bearing surface under the heads of the bolts. I used the metal ring that is used with a flexplate, it has 6 holes (289) in it and prevents the heads from damaging the aluminum, not sure if one is available for the 460. Otherwise use a thin hardened parallel ground washer under each bolt head
As you tighten down the cover go slowly and tighten in a gradual criss cross pattern to prevent bending the cover or overloading an individual bolt hole don't use any air powered tools on this job as it can easily over tighten things.
Good luck
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| dan adams |
06-11-2003 09:38 PM |
Thanks Rick, good advice.
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