S sniperlif3 New member Joined Jan 12, 2010 Messages 21 Reaction score 0 Points 0 Mar 22, 2010 #1 I want to upgrade my stock Throttle Body in my 1990 GMC Sierra that has a chevy 350 engine, but i cant seem to find to many... I have found one that is about 670 cfm which isnt that bad but i really want to find more so i can compare them... What are some places to look?
I want to upgrade my stock Throttle Body in my 1990 GMC Sierra that has a chevy 350 engine, but i cant seem to find to many... I have found one that is about 670 cfm which isnt that bad but i really want to find more so i can compare them... What are some places to look?
