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Old 08-16-2004, 08:01 PM
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9.5-1 383SBC with world product sportsman II's. Power guess?

Well I bought the World Products Sportsman II's for my 383 project. They are 200cc runners, 2.02 valves and 72cc chambers. with -6cc flattops I should be at 9.5-1 I am using a Comp Marine cam that is 218/224 @.050 462/477 lift, 112LSA. I'm putting it in a boat so it will never see a dyno. Any guesses? I am running a stock q-jet intake and carb with stock Mercruiser thru prop exhaust. The ignition is Mercruiser Thunderbolt IV which is similar to a Mallory unit. It has an electronic pickup inside the dist and a spark box mounted to the side of the engine. I would think it would have to be at least 325hp???
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