The recommended oil type for a 1973 Chevy 454 engine is 10w-30. This provides a good balance of lubrication and viscosity.
5W30 oil.
The distributor and the oil filter.
SAE 10w40 Click the link for full specifications.
It should say it on the oil cap.......5w30.
5w-30
where is the oil pressure switch on a 1999 chevy surburban
Yes, They are a different size.
80 lbs
Oil and filter change - 7 quarts. 6.6 quarts with a 454
The oil pressure switch and oil sender for older 454's are mounted on the lower left front of the engine block just above the oil pan.
generally 5w 30