89% 92% 94% Octane?
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Joined: Sep 2003
Posts: 8,826
From: United States
RE: Hrm ..
ORIGINAL: turboSTANGpowa
Whoever said "It won't hurt" is wrong. Using a higher octane can wash out the cylinder walls if used a lot. It also hurts o2 sensors. I'd always use the recommended fuel octane, unless you've modified the car. That's just my .02 cents.
Whoever said "It won't hurt" is wrong. Using a higher octane can wash out the cylinder walls if used a lot. It also hurts o2 sensors. I'd always use the recommended fuel octane, unless you've modified the car. That's just my .02 cents.
ORIGINAL: ShadowG03
The higher octane you run, the harder it is to combust. Therefore if ford recomends 87 that's what you should run otherwise you're not getting everything out of your fuel, the reason high compression engines need high octane fuel is because there is more pressure in the combustion chamber which means more heat and if you put 87 in a high compression engine you'd get detonation (combustion before ignition). The short answer... you're wasting your money on fuel you don't need, and with gas prices the way they are that isn't bright.
The higher octane you run, the harder it is to combust. Therefore if ford recomends 87 that's what you should run otherwise you're not getting everything out of your fuel, the reason high compression engines need high octane fuel is because there is more pressure in the combustion chamber which means more heat and if you put 87 in a high compression engine you'd get detonation (combustion before ignition). The short answer... you're wasting your money on fuel you don't need, and with gas prices the way they are that isn't bright.
ORIGINAL: VertStangGT86
You should only need to go high enough where it runs good, I know people that have problems with 87 but every car is different.
You should only need to go high enough where it runs good, I know people that have problems with 87 but every car is different.
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