how do you set valve on 1998 350 vortec
YES, The 350 Vortec does. It is in the back top side of the engine. All the plug wires go to it.
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 45 or higher
Yes they are the same.
NO. The 86 is not a roller block.
Yes u can
5.7L 350 Vortec engine.
Vortec 5.7 or 350 v8 should be 0.060
I believe it is 18436572 1.8.4.3.6.5.7.2
65 lb/ft
No. the plug wires are made different and the spark plugs ae NOT the correct heat range.