Quote Originally Posted by minichopper6hp View Post
ive never had any problem with it. the only reason those holes are there are to warm up the tb for a cold start, to make it run better, they are only 1/4 inch holes. i have mine blocked and havent modified the side lim port either.
it wont have much of an effect, but im not one to enjoy knowing that my rear head is running hotter than the front. the coolant going through the blower and throttle body is part of the flow that goes to the rear head.