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scicala · 11-20-2019, 12:24 PM

I didn't realize you were at that high of an altitude. You may have to reduce the main jet as much as about 4 or 5 sizes because of the thin air. A trial an error thing. One advantage of modern EFI systems.

Sal

11-20-2019, 12:24 PM	#20
scicala Senior Member Join Date: Jun 2010 Location: Detroit suburb, MI Posts: 3,705	Re: Float gauge for Holly 1901 carb I didn't realize you were at that high of an altitude. You may have to reduce the main jet as much as about 4 or 5 sizes because of the thin air. A trial an error thing. One advantage of modern EFI systems. Sal