Ive got a 04 z71 silverado im looking at putting a leveling kit on right now i have my torsion bars cranked up and had a alignment done did that right after i bought the truck right now the tops of the fender wells measure 37" up front and 38 in the back im just wondering what kind of measurements everyone has on theirs im thinkin about the ford torsion keys and taking out the factory block in the back and putting a bigger on in. and obiviously new shocks all the way around . any suggestions?