03-09-2021, 06:20 PM
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CC Member
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Join Date: Feb 2002
Location: Dadeville,
AL
Cobra Make, Engine: Sold my EM.
Posts: 2,459
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Not Ranked
I wasn't suggesting dyno tuning for peak horsepower. You already know the carb is setup for that. I was thinking of running on a dyno with a cruising load and an AFR readout so you could check things at 1800 RPM, 2500, 3000, etc without wide open throttle. With a few sets of jets and some tuning of the idle and midrange circuits you may be able to get it where you like. It's definitely cheaper than an EFI.
BTW, I mentioned earlier that I put an AFR gauge in my latest project. It has a 427 ci small block Chevy with a Holley Ultra 850 XP carburetor. It hit 600 HP peak on an engine dyno. I haven't opened up the carb to check the jets because the AFRs look ok at all the normal operating RPMs. It is challenging to start in cold weather due to the lack of a choke and I get a lot of gas odors during warm up. But it seems like other Holley carbed V8s when warm.
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Tommy
Cheetah tribute completed 2021 (TommysCars.Weebly.com)
Previously owned EM Cobra
"Never attribute to malice that which is adequately explained by stupidity." - Hanlon's Razor
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