What are you doing with this truck road tacing? The factory style brakes can be very effective if everything is working correctly. Your driving to fast if yout think you need disco brakes.With a straight axle suspension you shouldnt be going faster than drum brakes can stop you..Why not try 1 ton big brakes.. A simple bolt in.This would give you plenty of stopping power.Add a hydrovac if you got whimpy legs.
