chevyman1210

ihave a chevy 350 with a edelbrock preformer rpm dule plane intake with a holley 600 card with vac. secondaries i have tore the carb apart and rebuilt it and adjusted it over and over again and nothing when i slam it to the floor it spits and spudders and i have no clue why if you could help me i would be eternaly gratefull any tips about adjusting them would help thanks

budsjlm

i would say try a larger carb 600 is kinda small for a 350 go look into at least a 650 if not a 750 or bigger depending on whats in the motor even the stock q-jets taht came on 350s were 750

old dog

might check out their tech sit http://www.holley.com/TechService/ i would not going to a bigger carb is the answer ,used many 600's on small blocks .could be a simple power valve or vacume difaram spring ,or jetting .