Fastman Specializes in Boring out throttle bodies. Along with this he opens up and flares the IAC port (no whistle), machine and sand flattens the base, cuts and polishes in a airhorn and installs a new brass butterfly valve and a stainless steel valve shaft. The difference in bore size is .250" thats right an extra 1/4" of an inch.
Included with the new TB is a base gasket and instructions. |