race veterans plz help!!!!!!!

tires is 26 high 13.5 wide mt slick..no traction issues..ran a 35 squriter and a 45 it picked up but im telling u as soon as u went wot it fell on its face and took like 1/4 to pick up then it was a beast...but that is our problem..i dont want to play games with this vac sec carb it blows....what should i look at and can ig hughes hydralic 567 lift..that csan falls on ots face around 6100 also..we are going thru the traps at 5700 little fyi...i want to run a mp 296 557 cam would that be better for my combo