the best answer I can give you is to go to http://www.autozone.com. Enter your vehicle info and go to "specifications". You will be able to find the firing order in a diagram there.
what are you bypassing
1-6-5-4-3-2 what side does the order start on, and is there a diagram to look at
v6 vortec fires 1-6-5-4-3-2 with number 6 5 4 3 2 1 as you're standing in front of the truck looking in the engine
YEah
The Vortec Motor hasn't changed sence it came out. it will fit perfectly.
Wiring diagram for 1997 Chev vortex 7.4 L engine can be found at most mechanic shops. Or any Chevy auto parts place should be able to get you the copy of a wiring diagram for the 1997 Chev Vortex.
By googling.
Yes.
block and heads are the same but not the computers
It has a chain and not a belt. No maintenance required.
CHANGE TH E INTAKE MANIFOLD MAYBE EXHAUST YEARS VARY
4.3 liter vortex motor holds 18 gal.