I bought a 1980 Malibu a few years back and am in the process of making it a drag car. I have a big block...aluminum heads.. power glide... and 8.5 t-type rear end. the car is sitting on 275-60-15 drag radials. the car literally sags and the fenders scrub my tires. I have brand new factory oem car springs from my napa. also just put in Viking double adjustable shocks. I was hoping my springs were worn out and replacing them would fix the sag. I did that today....same problem. any of you guys have this problem???