5W30 in the cold months and 10W30 in the hot months. If you use any heavier oil then the valvetrain will not lube and will burn up.
A 5.7 is a 350. Vortec is basically the type of head used.
On this engine I recommend you use an AC/Delco filter.
6 Qts of oil
Fits Chevrolet Vortec 350
Fits Chevrolet Vortec 350
5w30
65ft. LBS.
no
The VALVE covers must be leaking oil, If it is only on the threads.
how do you set valve on 1998 350 vortec
No, the 350 Vortec was not available until a couple years later.
No, the 1992 Chevy 350 (5.7L) V8 is not a Vortec engine.