Quote:
Originally Posted by tom s
Im running 2 cars with factory 421 cast cranks,the one in my Tempest has been in there 22 years now and never out.It had been nitrited,does have Carillo rods and Ross pistons.Many runs over 6000,retired to a 100% street car.Tom
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Tom, there is no doubt that Pontiac cast ArmaSteel and nodular crankshafts are tough pieces. I think nitriding just makes an already durable crank a little more durable. God knows the nitrided diesel cranks I have ground in the past were tough pieces.