Carburetor sizing for a blow through turbo

Don’t forget you need a high flow / high pressure capable electric pump, return line setup, boost reference fuel pressure regulator, so fuel pressure rises with boost or you loose fuel flow around 8 psi. Also want that boost timing master 6AL from msd or something similar to pull timing out when coming up on boost. Carb size? As the other member said it’s hard to say without knowing your whole build. You want to stay double pumper as vacuum secondary doesn't work too good on a blow through setup.Like Dusted said, wide band 02 regardless.

Got to watch them calculators though, I’ve always found them a bit small on the fuel side, and a bit of fantasy when it comes to their ET predictions. Too many variables to calculate a real close ET, track surface temp, prep, ambient temp, How much wind and direction, actual car weight at race, how much slip, Etc.