Will 110 octane race gas hurt stock motor?

[98RedBird]

I am finally taking my car down the strip this weekend at Rt. 66 in Joliet. A buddy of mine offered me a few gallons of 110 octane race gas to put in the car thinking maybe i could gain a little timing out of it.... my questions are should i mix that with something or run it straight? and is it safe? Will I see any improvements over 93 octane? Thanks!

[keys2myMARO]

To see improvements wouldn't you have to have your car tuned for 110 octane? How much is that stuff like 8 a gallon?

[Roarin_8]

Don't bother. And if you are still running cats, the race gas will eat through them.

[staringback05]

race fuel has lead in it....im pretty sure our cars, and most ALL stock cars dont take lead

[Super Speed]

Only do it if its unleaded race gas, or it will foul up your o2's.

[My1st Truck]

If it is unleaded it won't hurt it, but with what you have done I don't seeing it help much either.

[Cchris1109]

110 octane *unleaded* will retard the timing on your car because obviously we all know octane means resistance to burn, the higher the octane is and since your car is set to burn at a specific octane, your car will most likely retard the timing hurting your 1/4 mile times...turbo cars need race gas you dont

['Trust']

Originally Posted by Cchris1109

110 octane *unleaded* will retard the timing on your car because obviously we all know octane means resistance to burn, the higher the octane is and since your car is set to burn at a specific octane, your car will most likely retard the timing hurting your 1/4 mile times...turbo cars need race gas you dont

Nicely done.

[ls1charged]

yeah you have to be tuned for that octane to really see any performance gain in it. and u dont really have any mods that would make u need to run it.

[99Custom]

Mixing unleaded 110 octane will help clean out your top end though...I know alot of guys that mix in 2 gallons every couple months

[ChocoTaco369]

just go no napa and buy offroad octane booster and put like 2 bottles in there with half a tank of gas. it'll cost you under 10 bucks and raise your octane like 8 points.

[Zymosis]

Originally Posted by ChocoTaco369

just go no napa and buy offroad octane booster and put like 2 bottles in there with half a tank of gas. it'll cost you under 10 bucks and raise your octane like 8 points.

8 points isnt the same as raising it from 90-98, for example. One octane number is equivalent to 10 octane points

http://www.gtatech.com/news_au_articl.html

Most octane boosters raise very little. (Tenths of an octane raiting)

[efizjb]

Higher octane actually burns slower, thus the reason why it helps to reduce detonation, however it should only be used in applications needing it, i.e., high compression, turbo, etc. Stock cars will typically run slower on 110 octane. More octane is better only to reduce knock, but only to a certain point, once you get to the octane that reduces knock, going to higher octane the "burn" will be slower, and thus the slower et. In theory you want to run the lowest octane that does not produce knock. As for high octane retarding the timing, not sure how that can be, octane alone does not cause the computer to retard timing, it has no idea what the octane rating of the fuel you are running is, however when it detects knock via the knock sensor it will retard timing based on the PCM tables.

[98RedBird]

alright, cool thanks you guys... I wont run the 110 octane, I will just run the Amoco 93 that the car always gets! Hope to see decent times!