Originally Posted by BIGSKY
I installed a Moroso "plastic" 4 hole spacer on my SBC because I was getting heat sink into my Edelbrock. I don't know if it makes more torque because I changed exhaust at the same time, but it did solve the heat sink problem.
Good point BIGSKY. The most efficient spacer I've seen to prevent heat transferred to the carb is one made from wood and sealed with "bar finish" epoxy.