Engine Performance problem
1994 Cadillac STS V8 Automatic 108000 miles
have a 94 seville sts I put 87 instead of 97 octane gas what can I do to bring it up to 97 and will it hurt it
Tuesday, January 19th, 2010 AT 7:20 PM
1 Reply
MHPAUTOS
MECHANIC
31,937 POSTS
You can get octane booster if you want from most spare parts store, but I would just keep topping it up with 97 you should have no real problems, you may be down on power until the 97 takes over thats all.