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Its a Thumper 1250 carb and its on pump gas 93 with E10, so that requires an AFR of around 12.2....Friday nights pass showed it was close to 13.8 in high gear. Saturday I went up from #104 to #106, and it looks like its around 12.5-12.8 now. I still had jets in my hand when they called us to the lanes....But it was much better, and I gained almost 2mph in the 1/8th.....So it probably just needs to go 1-2 more
Assuming that you AFR meter is accurate, it looks like you're close that what that carb wants. Thanks for posting the videos. Must feel great to get it out and race it after all that you've been through with that engine.
