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Old 04-07-2014, 03:59 AM
RICK LAKE RICK LAKE is offline
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Join Date: Mar 2001
Location: E BRUNSWICK N.J. USA,
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Default Do you have a picture of the bolts coming loose?

427FAST I am not sure which bolts are are talking about but here's a couple of things I have learned over the years
#8 bolts are stronger and more brittle. They have no to little give. Grade #5 is on 90% of my car.
3 ways to stop a bolt loosening, Locktite is first. Start with the blue, if this doesn't hold then goto the red. IF the hole is clean, it will hold.
If this is a bolt that looses, drill an 1/8" hole through the head and safety wire tie it to another bolt or mounting plate.
last is to tack weld the bolt head to the plate in 1 or 2 spots. You will have the grind the weld to make repair but the bolt will not loosen.
Last point, If the bolts are coming loose, re check the trueness of the rearend and mounting plate and that the surfaces are both flat. There sounds like an alignment problem between frame and rear diff surfaces. Road racing, drag racing, auto cross, all put a heavy load on parts and mounting locations. I have been racing for better than 30 years and have not had this kind of problem when using locktite or wiring unless mounting surfaces where the problem. Rick L.
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