new stang
 

i just bought a 04 mustang gt and didnt recive a owners manual . can ayone tell me where i can download one? also what octane does this car call for?

I would just go with c16

Great advice :smashfrea lol
I run premium in all my cars, even winter cars. I find that the extra cost per tank is minimal and well worth the gains associated with it. I get more mileage per tank with premium, the combustion runs cleaner and there is less carbon buildup, and for performance oriented vehicles there is less chance of detonation. I suggest running at least 91 octane in your Mustang.
As for your owners manual, look on Ebay to see if you can find on there! Good luck.
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