Hello I'm new on this site, I'm from western mass. I drive a 1988 GMC K1500 and tow my mud racer (1990 full size blazer) with my 1994 K3500 dually also have a 1995 k3500 single wheel for parts. Couple of specs on the trucks the 88 is mostly all stock just 33x12.5x15 tires, open air intake and...