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Last night was the first dry day in a while so i figured i'd take it for a little ride to see what happens in the cooler weather...and it ran alot better at higher speeds and didnt really break up on me until around 85...what could that mean?



Since cooler air is more dense, I/m thinking your high speed mixture is probably too rich. If the needles have shims under them, remove them. If they have 2 or more, just remove 1 at a time and try it. If no shims, go a size or two smaller on the pilot jets.

Oh, wait! First, try leaning out the idle mixture a little. A lot of people don't like the exhaust to pop, even a little bit, so they make it stop by over richening the idle mixture. The idle and transition jets seem to come back online in these carbs under high speed high load conditions. When I readjusted my mixture from no-pop to best idle speed, I gained over 10 MPH at the top end.

Let's hope there's intelligent life somewhere in space 'cause it's buggar all down here. -- Monte Python