CHEVROLET ENGINE BACKFIRE

The Engine Runs Good Until It Warms Up. Then When You Accelerate The Engine Will Shake And Backfire Until You Let The Throttle Go Back To An...

C2500, When The Engine Is Cold Rpms Jumping On Initial Start With Misfire And Slight Backfire!

Changed Out Plugs, Distributor, Rotor And Wires. Remedied For About A Week And The Backfire Returned, Now I’m Guessing Fuel Delivery...

Hello Me And My Grandpa Just Swapped A Good Running 350 For A 1970's Truck Into My R-10. When At Idle In Park It Runs Fine And You Can...