Listed in owner's manual and under the hood on a placard.
2004 Chevrolet Aveo 1.6L MFI DOHC 4cylThe Spark Plug Gap.044 (In thousandths of an inch)
A 2004 Chevrolet Trailblazer that has a 4.2 liter engine will have a spark plug gap of .044 inches. The best spark plugs for this vehicle are iridium spark plugs.
The spark plug gap for a 2004 Chevrolet Suburban should be set at .040 inches. The new spark plugs are pre-gapped and do not need adjusting.
Not really. If you remove the center cover on the top of the engine you'll see that there are spark plug "boots" that fit down on the spark plugs.
2004 Chevrolet Truck Silverado 1500 2WD 5.3L SFI 8cylThe Spark Plug Gap.040 (In thousandths of an inch)
Should tell you on the emissions sticker under the hood
A 2009 Chevrolet Silverado with the 5.3 engine requires a .040" spark plug gap.
0.042 in
.060
.045 plug gap.
spark plug
The 2004 Viper Yamaha spark plug gap is .018. Most spark plugs will be pre-gapped by the spark plug manufacturer.