If you are refering to regular gas, it's not recommended. Some people use it as well as myself due to the fact of gas prices. What I do is add a gas octane boost to compansate for the lower octane fuel.
NO.
A Cadillac Deville can be purchased at a Cadillac dealer.
Will a 99 Cadillac deville radiator work in a 2000 Seville
blower relay 1992 Caddy sedan deville
5w30
Cadillac stopped making the Coupe DeVille after 1993.
Cadillac does not use inertia/reset switches.
Yes it will
yes.
Where is the flasher on 1987 cadillac deville
where is the alternator on cadillac deville
R 134