That is a very COMMON PROBLEM WITH those engines. You need to replace the intake manifold gaskets to fix that problem.
yes it is
The 4.9 vortec means that it is a 4.9 liter v8 probably.
V8 6.0 liter Vortec
Between 370 and 390
The Vortec 5.3 Liter V8 engine produces 295 horse power.
Yes! It is non-interference
3.5L
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.
It has 275 hp.
Yes.
A V8 vortec could be either a 350 (5.7 liter) or a 305 (5.0 liter), it will say right when you open the hood, i have a 305, the truck is a 97 Chevy 1500.
270 hp