Posted by Gordon Maney on Monday, November 27, 2006 at 10:33PM :
In Reply to: Ball & Ball carb frosting up - Carb Question posted by Todd Wilson on Monday, November 27, 2006 at 3:04PM :
As some have said here, that is the purpose of the manifold heat valve. Unfortunately, on these trucks, they are manual, not thermostatic. Most are frozen, and with luck, were left in the middel position.