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Old 08-25-2015, 05:46 PM
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patrickt patrickt is offline
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
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Quote:
Originally Posted by CriticalMass View Post
In maintaining the car, I have found Grade 9 bolts in all 'critical' applications that experience little to no shearing, and Grade 8 in the 'critical' areas that do.
I don't think I've ever even seen a Grade 9 bolt, unless it's one of those super duper rocket ship compatible driveshaft bolts that ERA uses.
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