They use Dex-cool from the factory.
Try 87 octane as long as it does not "ping" excessively you should be OK
chevy impala
R134a
DEX Cool
1967 Chevy impala
Regular unleaded
He has a Maserati and a Chevy Impala.
Dean drives a 1967 Chevy Impala. Wanna find out more about supernatural? Go to http://www.supernatural-the-series.blogspot.com
Assuming you are speaking of engine / motor oil should specify on the oil filler cap, should be 5W 30
5w20 any major brand.
For the 6 cyl SHOULD BE 5-30 but confirm in owners manual first-should also be marked on fill cap