Thread: T-56 install
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Old 02-14-2007, 04:29 AM
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Cobra Make, Engine: BDR#499 351W with Webers
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An "8.8" stamped on a bolt head designates a metric grade "5" bolt with a tensile strength of 120,000psi up to a bolt dia. of 1." A grade "8" bolt (10.9marking on head for metric, or six slashes for SAE) has a tensile strength of about 150,000psi.

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