| need help with 1975 450 se
Regarding a 1975 450 se sedan (w116):
I have one basic, maybe obvious, question: Does gasoline type (octane) affect the car's performance?
Please don't worry about insulting me, as i'm very dumb with cars.
Truth is I want the car to run well and live forever, but I'm currently on a budget, so I don't want to spend too much on gas if it's not necessary.
Thank You,
b. scott
Last edited by bscott : 01-07-2007 at 07:17 PM.
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