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
Regular unleaded
DEX Cool
He has a Maserati and a Chevy Impala.
1967 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