August 26, 2010
My car is an old Nissan Altima model 1991/GTSR (carburator), my question is ; can I used gasoline octane 91.?
Before, it was only octane 95 gas available, now we have two choices of course 91 is cheaper and I can save significant money. My worry is that may it can harm my engine.
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Filed under Gas Conservation FAQ by on Aug 26th, 2010. Comment. 
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Comments on My car is an old Nissan Altima model 1991/GTSR (carburator), my question is ; can I used gasoline octane 91.?
What country do you live in? In the USA the altima was introduced July 1992 as a 1993 Stanza/Altima. 1991 Skyline GTS-R is that what were talking about? Detonation will burn valves and pistons. Spark Knock, Ping all the same thing. You will not save any real money use the good stuff and have your car checked over really well. Sounds like your country is going thru changes in fuel formulation that may make your older car run bad.