Looking at the distributor cap from th top the wires are as follows 1,7,3,5 on the drivers side and 8,2,4,6 on the passenger side the last wire on the passenger side goes to the coil.
.060
The spark plug gap for a Chevrolet Tahoe 5.7 350 Vortec should be set at .060 inches. This spark plug will be purchased preset from any auto parts store.
The spark plug gap for a GM vortec V6 is .060
ac delco 45 or higher
ac delco a541e
.060
To find the power supply look at a schematic for the fuel injection system in a service manual for the vehicle they are in.
Spark Plug Gap = 0.060 for both S-10 & Trailblazer vehicles 1996-2005.
43 thousands of an inch
The recommended spark plug gap, for your 1994 Chevrolet engine, is .011. Most spark plugs will come from the store pre-gapped.
Vortec 5.7 or 350 v8 should be 0.060
It's 60