What causes backfire out the carburetor?
What causes backfire out the carburetor? Generally, a backfire is caused by an imbalance in the air to fuel ratio. Either the engine is not getting enough fuel, which is also called running lean, or the engine is getting too much fuel, which is also called running rich. How to troubleshoot a 350 cubic engine backfiring? First, check that the mixture screw (s) on the carburetor are adjusted properly. Most of the carburetors installed on the 350 use a single air/fuel mixture screw, while some carburetors use two. What causes an engine to backfire through the carburetor? Generally, a backfire...