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03-20-2024, 09:06 PM | #21 |
Senior Member
Join Date: Nov 2010
Location: Lambsburg Va
Posts: 296
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Re: 255 Merucry Dyno Pull
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03-20-2024, 09:23 PM | #22 | |
Senior Member
Join Date: Dec 2013
Location: Minnesota, Florida Keys
Posts: 10,320
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Re: 255 Merucry Dyno Pull
Quote:
It is precisely the reason why I chose not to upgrade the cam in the Merc engine I installed in my car to a mild aftermarket cam. Perhaps "Pete" or some of the other gurus on this site can explain the error of my reasoning. I am also curious that the valves started to float at something above 4000 RPM, given the updated springs, etc. Perhaps the heavier adjustable lifters? My engine will rev higher than that without floating the valves; it doesn't make much more power, just more noise. I do not mean to denigrate the O/P's build at all; he seems to have done a fine job on it. I just want to add to my knowledge of modifications to these engine. I also wonder what reworking the heads for optimum "quench" and a larger carb would do. At the current rates, I can't afford dyno time. Last edited by tubman; 03-20-2024 at 10:14 PM. Reason: Spelling |
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