bronc76 New Member Dec 26, 2010 #2 Incorrect timing will cause backfire, backfire through exhaust is probably a lean/rich condition, a loose carb or manifold bolts may cause engine backfire, hanging intake valve may cause backfire also.
Incorrect timing will cause backfire, backfire through exhaust is probably a lean/rich condition, a loose carb or manifold bolts may cause engine backfire, hanging intake valve may cause backfire also.
