Hedman Fenderwells w/ RB motor...

i run the headman fenderwell headres on my 71 dart with indy 440-1 heads on my 440,and a tubular k-frame my tire size is 25.0x4.5-15 goodyear front runners on weld wheels,but this is a drag car only with rack and pinion,the rack and pinion doent turn sharp as the factory box