04-28-2006, 09:06 AM
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CC Member
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Join Date: Apr 1999
Location: Illinois,
Posts: 123
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Not Ranked
Carb Size
I agree with the others the carb size you are currently running should be more than enough. We put a friends 418ci stroker on the dyno, and after optimzing the jetting ( I don't remember what we sizes we ended up with), our best pull was 399hp at the rear wheels with a 650 Race Demon. With no other changes, we swapped the 650 out for a 750 Speed Demon, and after doing some jetting swaps, we ended up with 405hp at the rear wheels. We decided to reinstall the 650 as it provided much crisper response in the lower and mid RPM ranges where the motor would be mostly operated.
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