Could be a safety issue as well -- on why we allow the removal of a/c but not the heater core. A/C runs on a pressurized system of a not so friendly gas. Not sure we want that in a car when there is a wreck.

A heater core, not so dangerous.

Quote Originally Posted by Knestis View Post
The rules grew from a philosophy that said, "Do the minimum stuff required to make a stock street car ready for racing." There's no modification cheaper than "no modification."

K