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Old 10-01-2002, 10:32 AM
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I need Help! I want to stroke a chevy 350 (gm zz Block) to a 383 and need help and or tips for the right parts. All I have is the block and forged flat top piston. Could some one please help me out? This is going to be just a weekend runner and possible in the future supercharged. Need a good setup for maximum horsepower.

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Old 10-01-2002, 12:18 PM
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Both Jegs and summit have kits to build/covert to a 383.

HK
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Old 10-01-2002, 01:40 PM
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I am planning the same project and some of the things that I have found about this project are:
The easiest way to start is to buy a stroker kit from one of the suppliers listed above or Powerhouse (www.enginekits.com) have good prices to. The pistons have to be for a 383 stroker. If your flat tops that you have now are for a 350 they won't work. You will also need to use a 400 flexplate or flywheel and a 400 harmonic balancer.
There is also some grinding that needs to be done to the block for the larger weights on the crank, and some off the rod bolts so they don't hit your cam. Then it should al be balanced.
The rest will be your decision on what you want although I have also heard that the 383's prefer a 750cfm carb on top. In the end it is all worth it. Hope this helps. Good Luck.


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Old 10-01-2002, 04:27 PM
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Try www.speedomotive.com . They sell good kits, I built one. I would buy the entire rotating assembly so that you know exaclty what you have. I would suggest Hyperutectic pistons for blower application.
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Old 10-01-2002, 07:45 PM
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Another thing is decide now if you want a blower cause you need to select a low compression piston.I believe in the area of 7:1-8.5:1 not exactly sure aint done never had me a blower.
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