NO it will not.
no.
It should be a 5.7L 350 If it's factory.
That is a 350 engine.
Yes.
Yes the are the same engines. That is a direct bolt in
The only one I can think of is the exhaust Y-pipe may not fit from the 305 to the 350.
on top of the engine, towards the front to the left of where the tube from the radiator goes in.
The block itself will fit, and your best course of action will be to retain the electronic controls/engine computer and all electrical components from the 1997.
Yes. It is in the distributer. Remove the cap and motor and you will see it.
If you have the Vortec 350 ci: Standing in front of the radiator all the odd number are to your right beginning at the one closest to the radiator and moving to the firewall 1.3.5.7 all the even numbers are to your left beginning at the one closest to the radiator and moving to the firewall 2.4.6.8
According to the Haynes repair manual for Chevy/GMC trucks 1988 thru 2000 the cap should be a 15 psi radiator cap.
no, but its not a good idea to let oil get low