1996 Cadillac SRX - STS Regular Gas

Tiny
DOCDAVE
  • MEMBER
  • 1996 CADILLAC STS
  • V8
  • FWD
  • AUTOMATIC
  • 122,000 MILES
Can a 1996 Seville STS which is high performance be adjusted to use Reg. Gas instead of high test as stated in users manual
Wednesday, April 23rd, 2008 AT 6:03 PM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
You cant adjust the engine if thats what you mean, if you want to run regular I would use regular and see how it runs, if it starts acting up and not running right I would use octane booster to see, if not switch back to premium.

I used to drive my mustang over 30 miles per day on regular gas when called for high, I just used fuel injector cleaner more often.
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Wednesday, April 23rd, 2008 AT 7:31 PM

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