Proform 850 dialing it in closer

E holes i couldn't tell you as i haven't had the bowls off or ever measured them yet.
The HSABs are 27 all the way around. my notes say that i was going to put a 25 in????????? that would make it trend richer at the top end....Right????

Hellcat graph expanded
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The rpm didn't start reading until half way thru first gear.
Weird about the rpm but bette ythan nothing.
Yes smaller should provide less correction at the top.
It also can cause either more or less fuel to get moving when the mains are starting.
It would be good to know what size and how many e-holes are there.
Perhaps I didn't look far enough back. Is this with the Holley blocks or did I recall correctly your trying new?

Did go back to when you made a pass on primaries and it looked like it was drifting richer.
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So yea I'm thinking the emuslsion may be too many holes or too big.
Interesting the AFR on those is much richer than your passes yesterday with secondaries.