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64Rocket · January 3rd, 2007, 08:19 AM

Sounds like you have a aftermarket convertor. I would use grade 8 bolts and self locking nuts. Be sure to use small block OLDS motor mounts to the 455. The T-400 IS 4" longer, you will have to shorten the drive shaft.

Gene

January 3rd, 2007, 08:19 AM	#5 (permalink)
64Rocket Registered User Join Date: Sep 2006 Location: Union City Calif.94587 Posts: 301	Sounds like you have a aftermarket convertor. I would use grade 8 bolts and self locking nuts. Be sure to use small block OLDS motor mounts to the 455. The T-400 IS 4" longer, you will have to shorten the drive shaft. Gene __________________