Originally Posted by f35rocket
Is there any "rule of thumb" as far as jetting increase, when changing pulleys from 54-61 (9% under) to 54-54 (1 to 1)? Like, maybe, one jet size per two teeth or something? Just some sort of starting point, so I don't melt pistons trying to find the right combo!
Never heard of a "Formula" like that . . It's just "More air . . More Fuel".
Start with jetting that should put you rich and then lean it out to taste . . Kinda like making Chile . . .