Reccommended Fuel/Oil...

[BigTDawg]

Originally Posted by cutthroat1117

Hell -- Just last week, i smoked a '03 Mustang GT!

yea the like amonth ago my bro used my car he came home and told me he smoked a 5.0 mustang until the 5.0 hit the gas you sure it was a smokeing? or did you mean you smoked your tires after he made you look like a fool

why doe you guys use anything over 87 octane? all cars are designed to run on 87 octane so basicly unless you have a reason to run higher your wasteing money and i use castrol syntek

[Crosis]

Originally Posted by BigTDawg

yea the like amonth ago my bro used my car he came home and told me he smoked a 5.0 mustang until the 5.0 hit the gas you sure it was a smokeing? or did you mean you smoked your tires after he made you look like a fool

why doe you guys use anything over 87 octane? all cars are designed to run on 87 octane so basicly unless you have a reason to run higher your wasteing money and i use castrol syntek

lol for mine a mean off the line he was gaining, then he attempted shift into second and basically stalled his car out... so yeah i smoked him... lol..

[BigTDawg]

Originally Posted by Crosis

lol for mine a mean off the line he was gaining, then he attempted shift into second and basically stalled his car out... so yeah i smoked him... lol..

i wasnt talking about you you said he couldnt shift i was tlaking aobut cutthroat

[Mattmd]

Originally Posted by Mxms344

Personally IMO getting the 91 octane would be flushing money down the toilet, but let me explain why. The octane ratings are a direct relation to how much pressure the fuel can be put under before spontaneously combusting. Every engine has a compression ratio which describes how much pressure the piston puts on the air and fuel. The V6 Tibs have a compression ratio of 10.0 , so the Regular Unleaded fuel can be used without any repercusions. The only cars that really NEED the 91 octane (to avoid engine Knock) are your higher end sports cars.

More detailed information can be found here:

http://auto.howstuffworks.com/gasoline3.htm

Can you tell me what would happen to an engine that recommends 87 octane but you constantly use 93. I have been using higher octane in my 05 tib GT since I bought it and now that I have read this I am concerned I may be damaging the engine. Thanks.

[BigTDawg]

the engine will be fine its you just dont need to use 91