What is Race Gas and should I run it in my plain , broken in 04 C4S once in a while?
What will be the noticeable difference?
Thanks

 

i wouldn't bother putting it in your car. Race gas is usually anything over 100 octane

 

Forget race gas, just pour in Toulene (sp) and your good to go

But unless you have modifications that are going to respond to a higher octane fuel there is really no need. Your ECU and entire engine is designed to operate at normal octane (91-94) fuel, so you shouldn't really notice much of a difference.

If you were tunning your car, playing with timing, compression, and your fuel map; that would be a different story.

 

TOLUENE :
<<Forget race gas, just pour in Toulene (sp) and your good to go <<<


I would be inclined to research Toluene before I just poured it in my tank! Yes. I have run toluene in big block flat bottom dragsters, pickle-fork hydros and all the sixties type go fast machines. Toluene is a dangerous chemical requiring careful handling. I don't think Iwould play with it in my P cars. Just my .02.

R

 

Sorry, I think you missed the sarcasim. I guess it needs more emphasis

I have reasearched toluene, and use it to boost 94 octane on occasion when 104 is not available

 

Sorry, I think you missed the sarcasim. I guess it needs more emphasis

I have reasearched toluene, and use it to boost 94 octane on occasion when 104 is not available

We also put c16 in a little naturally aspirated scooter and it performed quite well... not sure if its a move for the p-car though lol

 

Actually, putting in 100 octane does help a bit even with the stock ECU. I think the ignition timing gets advanced by the adaptive program in the Motronic.

Car runs smoother and happier.

Here in CA, sometimes it may not be a bad idea to put some of it in to bring the octane level back up to 93, since our "Super" unleaded is only 91 thanks to idiotic liberals in this state.

 

 

What is wrong with using a pump gas/toluene mix? I researched this and couldn't identify any problems. Toluene is a normal component of gasoline and is added to pump gas by the gasoline refiners to increase octane. The vapor pressure is OK and it contains slightly more energy per gellon. It should be pre mixed in a can prior to pouring it in the car. 10% tolulene raises 92 octane to 94.2. Is there some issue with tolulene I don't know about? Apparently xylene also can be used.
See http://patriot.net/~jonroq/Tech/octane2.html

 

Nothing is wrong with toluene providing it is used by an educated individual like yourself. Just like a boost controller or stand alone engine management; both are great tools, but in the hands of an unexperienced person it can have devistating results. Plus I think he thought I had meant straight toluene for fuel

 

Hey guys, nice job on the gas. Yes, you can add toluene and xylene (ortho, meta, or para are all the same) to improve the octane. The recommended level is about 10%. If you add too much you can affect the vapor pressure of your gas and induce runability problems. Refineries used to add it quite regularly when the economics made sense (as opposed to a chemical feedstock). You can also try MTBE and MMT (which is good for catalysts).

Toluene is the stuff in airplane glue that gets you high so no sniffing. Also, it’s highly flammable so be careful.

 

Very helpful!

Also, it may help to let it be known that many fuel companies do sell race fuel from their facilities. I know here in Toronto you can purchase 101 and 104 octane.

 

Nice job Ruiner! I believe everything you listed is correct. You've got to be a chemical engineer (like me).

 

I'd leave out the mineral spirits and ATF, it might harm the O2 sensor and catalyst. Just add toluene. BTW, what are "mineral spirits"?

 

in NC, SC, three grades of > 99 octane are available at many tracks. Great formulas for tank additives.