Quote:
Originally Posted by Lt1_8U
thats a great site with all the info and pistons thanks. now i saw that they have a 383 with -33cc bore is 4.030 and the rod length is 5.7. now the stock rod length on a 350 smallblock is 5.7 so whats the difference if i go with the 383 pistons that are the same but have a 6.0 length? i would imagine that involves a lot more machine work and that would make it a stroker?
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A 5.7 rod will move pin down on the piston, giving you more "meat". The stroke is dependent upon the crankshaft so for the 383, you would go with a 3.75".
For a 383, the machine shop is going to bore the cylinders and clearance the block for the longer stroke of the crankshaft. They should check and do a lot more but thats the basics.
I really think that you need to stick with a 355 build as it will reduce your cost, machine work, parts costs, etc and still leave you with a car ready for boost and plenty of power. Stock crank, forged compstar rods, forged JE/Diamond/Mahle 2618 material piston, good rings, and a cam suited for a blower.