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Guess at HP gains from HP500 carb/intake package

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12-16-2006, 08:52 AM

#11

RaggedEdge

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Re: Guess at HP gains from HP500 carb/intake package

Quote:

Originally Posted by BY U BOY

SO YOU GAINED ABOUT 30HP PER SIDE? HOW MUCH ARE THE E'TOPS GOOD FOR?

No dyno info, but if you hold to the old low tech assumption that it takes around 20 hp per engine per mph, the math would be 40 - 60 per side, but no way to really tell for sure. The boat went a little faster and was a little more responsive. My guess would be more from the CMI's than the intake & carb. Ran 78 before and 80 -81 after. The CMI's were an investment in future work. Put a pair of 525 SC's in the following season, now that perked things up real well, just shy of 100 mph after that change.

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