6.0 V8
The Spark Plug Gap.040 (In thousandths of an inch)the gap is 35 assuming you have the 2.0 4 liter
If your're using ACDelco Platinum Spark Plugs the gap is .040".
The 2004 Chevy Express 6.0 liter motor spark plug gap is .032. Most spark plugs will come pre-gapped from the spark plug manufacturer.
Spark plug gap is 0.060
.060
the gap is .035 the gap is .035
0.060
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 gap is .60 on plugs gap is .060 on plugs.
0.060
.042
0.40