Thread: HP program
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Old 03-05-2004, 10:16 AM
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Ron61 Ron61 is offline
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Cracker,

I would be happy to run yours and the other but I need a little more information. Do you have a stock 427 bore? You just gave the stroke. Is your intake a dual plane or single plane? Also can you get the real seat to seat specs of the cam? My program has a math calculator to try and convert the 50% settings to this but since nearly every cam builder uses different ways of doing this it really isn't very accurate. When I did the software run on my stroker and tried the 50% settings it gave me I was clear out of the ballpark. fortunately the engine builder included the cam spec tag and it had the IVO, EVO, IVC, and EVC settings on it. Also need the Int. Center line and Lobe center line angle. I have an older program and I think the new one is closer on the 50% conversion, but still can't be exact as the cam makers haven't really reached a set standard yet but are working toward one I heard. Afyer playing with some of the listed cams in the program that were a close match to what mine should be, I was 6 horsepower over what it actually was and about 20 pounds low on torque. this is an inherant problem with my program as it reads torque low on all engines. And remember, these programs are just tools to give you some idea of what you can expect by trying different things so you don't have to spend money trying them first. When used as a guide they are great. I believe it was the great ASP that I sent my program to for him to try and he was just 5 horsepower off.

Ron
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