you need a new distributor
That can be one cause for this, could also be bad ignition coil, coil wire, or even spark plug wires. Test for spark at the coil, then coil wire, then the plug wire.
0.60
.060
this is common with the vortec engines. pull the cap and rotor and replace them its common for moisture to build up in the vortec distributors. causing no spark or poor spark condition A quick shot of wd40 inside the cap will help alot
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.
ac delco a541e
ac delco 45 or higher
.060
The spark plug gap for a GM vortec V6 is .060
Bad coil or coil pack.
43 thousands of an inch
They are all gas.
It's 60