i got 2 reponses in questions and answers.what do you all think,street and strip duster,360.228/544 roller cam,mvb,391 gears,9.5 3000-3400 ptc convertor.i have a 750 3310 holley with the lighest spring.no bog at all.it seems like it wants more carb(even though its only a 360)i was looking at a double pumper,but not sure its they right move.ive always heard vac.sec with an auto for the street.will a double pumper work well with my combo?if so what size?brand?dont want to go over $500.00.