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Old 18th August 2009
nhp1990 nhp1990 is offline
Junior Member
Join Date: Jul 2009                                                
Location: Winterpark Florida
My Saabs: 1986 Saab 900s 16v N/A 4 door sedan
Posts: 22
Default 93 octane

does prolonged use cause any harm in a 1986 900s 16v NA?
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Old 18th August 2009
Saab named Jag's Avatar
Saab named Jag Saab named Jag is offline
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Join Date: Apr 2008                                                
Location: PA usa / Ohio
My Saabs: 89 T16 3dr 5sp
Posts: 1,462

No it won't hurt anything but you are wasting your money for anything over about 89 octane for an N/A. With my old N/A 89octane was really the sweet spot for gas mileage and power. If you go above that then you are losing both (and money). That is unless your car knocks on lower grades in which case buy the higher stuff.
"That was only HALF throttle!?!?"
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