Can a defective c2500 throttle body unit be replaced?
Can a defective c2500 throttle body unit be replaced? If you have a defective Chevrolet C1500 throttle body unit, you've lost the performance you crave. AutoZone carries replacements to restore your confidence in your truck. Hitting the gas should open the valve in a throttle body unit for Chevy C1500. How big of a bore does a 305 TBI have? The stock 305 and 350 TBI unit has 2 (1 11/16″) bores which flow 450 cfm of air. Up to 230hp engines that air flow is fine. you can do the ultimate TBI mods to the stock 42mm TBI unit...