The recommended gap for Autolite 3923 spark plugs in that application is generally .040 inches (1.0 mm). Again, consult your owner's manual to confirm this. The gap might be slightly different depending on the specific plug type or any modifications to your engine. If you don't have the manual, a parts store like AutoZone or NAPA can look up the correct plug and gap based on your VIN. Incorrect gap can lead to misfires and poor performance.
