Has anyone used a spray in liner such as Rinoliner? I am thinking of having Rinoliner spray the entire tub of the Blazer from the rear of the front seats back, and up the sides. I think this will work great for doing dirty work and just spraying the rear out. Then most the time I can just put the carpet back in. Has anyone done this? Does it help with vibration and noise? Mark 1985 K5 Built 330HP crate 350, SM465, NP208, 10 bolts, Ranchos and 31X10.5 on Rallys!