5 quarts
A 2000 Chevy 4.8 liter vortec engine usually takes 6 quarts. It truly depends on the vortec engine, usually the standard is between 5-6 quarts to fill the engine.
Five
A Chevrolet Blazer with a 4.3 liter vortec engine will take approximately 6 quarts of oil. The recommended type of oil is 5 W 30.
According to the Chilton manual it takes 6 quarts.
5 quarts of 5w-30
The firing order for the 4.3L engine is 165432
4.3 liter V6 vortec
the simple answer is YES. though, a 94 would be either a t.b.i. system or early vortec. if it is a vortec, the swap shouldn't require a p.c.m. reflash- however if your 94 is a t.b.i. you will need to change the intake and fuel delivery systems to handle the 60 p.s.i. operating pressure for the vortec engine.
5qts
its a 350hp vortec engine.
1.6 Liter engine is 4.4 quarts, 2.0 Liter engine is 5.5 quarts, 2.5 Liter engine is 5.8 quarts. Add more as needed when changing filter.
The Vortec 5.3 Liter V8 engine produces 295 horse power.