Gold Lifetime Member
Join Date: Jan 2005
Location: 2 Dog Town in West Texas
Kool,if you got the bucks go for all steel 383 and hide since you are not matching numbers. Being that its a cruiser once in while, you also have the option to sleeve that hole and hone that hole out to your existing piston size, viola, you are a stocker again.. As for the rear gear, you will buzz any motor in the hi 3900 to 4000 range with a 4 speed and 4 10, If you have the option, lower the rear to 3 55 or so and if you have the bucks when you finish the 383 , go for tremac 600 and keep the low gears. I cruise mine at 2300 with 27"tire and 3:73 at 70. 20 mpg on the power tour,, could not believe it.
Forgot to mention , use a good sleeve installer and ask him to try to step the lower end of block , that way you will lock the sleeve in the block. I would also recommend that when you first get it all running ,, use plain water /coolant mix and a tube of KW silver block seal, to seal any thing in block. Let it run for long as you can . Dont dump entire contents into radiator at once,, or clump will form at bottom and will solidify. Just 2 cents worth.
TC # 349
Zdld17:69 Z/RS,306, NOR141111, 9N554XXX, 12A, X3G, 59/59,723, AFR 195,CCC282/290HR, TKO 600, BU1122B1E Owner since Dec 1968
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