The 1995 GMC 1500 is Fuel Injected and as such has no carburetor. Therefore there is nothing to adjust.
Carb
It's fuel injected, No carb.
SAE 5w30
They didn't have DRL's in 1995.
4
yes
Need to know the engine size.
Simple answer is that it doesn't have one.
The 1500 holds 25 gallons.
How much fuel gets introduced into the engine
at the evaporator in front of the radiator where the line compression fits together
Clockwise = close Counter-clockwise = open.