Click to view attachment I just spent the entire week putting in stainless tubing 3/8" supply & 5/16" return. Tubing from Summit Racing. I used one piece from tank to the engine firewall; had to relocate the fuel pump in the hell hole area since the mounting surface had rusted away. After reinstalling the heat valve I saw that the metal came too close to the 3/8" supply fuel line. So I used the bottom of tin cans and blocked off the heat exchanger and blocked off the hole that feeds heat to the front right side of the car. Any thoughts??