ericlachance

Member
Feb 16, 2003
171
0
Hi, I don't know much about race gas, but I'm trying to lurn by reading old threads on the subject. I heard Rich Rohrich talk about MTBE and I was wondering exactly what that stands for, what it is and how it affects performance... I hope it's not to much to ask. Also, VP promotes a product called propylene oxide on their site. This is what they say about it: Propylene Oxide:
Power additive for gasoline, methanol, or nitromethane. Oxygen rich and easily vaporized. Not legal in most sanctioned racing. Is this some kind of usless octane booster, or does it reeally work if mixed with pump premium gas? Also, If you have any links to threads on the subject of race gas, could you please post them? These are the ones I have

http://www.dirtrider.net/forums3/showthread.php?threadid=24492&referrerid=16241

http://www.dirtrider.net/forums3/showthread.php?s=&threadid=11791

http://www.dirtrider.net/forums3/showthread.php?s=&threadid=56918

http://www.dirtrider.net/forums3/showthread.php?s=&threadid=61277

Thanks for the help

Eric
 

bclapham

LIFETIME SPONSOR
Nov 5, 2001
4,340
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eric: check this out

http://www.dirtrider.net/forums3/se...d=273204&sortby=lastpost&sortorder=descending

and this

http://dirtrider.net/forums3/search...d=273206&sortby=lastpost&sortorder=descending

there is enought good stuff to keep you going for weeks!:)

stick to a fuel that is meant for your bike and have fun- FWIW- i have 10 years experience doing organic chemistry and there is no way i would want to start messing with propylene oxide- using it in the lab under controlled conditions was enought trouble.
 

jmics19067

LIFETIME SPONSOR
Jan 22, 2002
2,097
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vp fuels sells a blend called CMP which I have been told it was by my fuel dealer<or shoudl I say the racer that will sell vp fuels> it was MR2 with Propeline oxide. Someone else here stated it was C12 with propeline oxide.Either way it should work in your bike quite well.
All I know is if you want to try Propeline oxide get the CMP and start off with real rich jets and work yourself down. In my 94 yz 250 the fuel is very impressive in sand but way too much for me in my usual surroundings<in the woods>

I would not mix propeline oxide with pump.It is not an octane booster that will make your fuel "safe" if you have pinging. I believe you would be looking at an unstable concoction that might burn a hole in your piston from the difficulties associated with trying to jet for pump fuel.
 

DEANSFASTWAY

LIFETIME SPONSOR
May 16, 2002
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My friend used to Race a quick 8 car at E town drags It was also known as a 9inch slick or super street class or something . This guy was beating them and was found illegal . He was mixing proylene Oxide in the oil.
 

ericlachance

Member
Feb 16, 2003
171
0
Thanks for the replys guys. Really good threads bclapham. What word did you use in the search to find all these threads? I thought I had tried them all, but obviously, I missed one or two... But I knew there had to be quite a few threads on this subject. I started reading, but as you said, Ill be reading up on race gas for the next few weeks lol :) .

Thanks again

Eric
 

bclapham

LIFETIME SPONSOR
Nov 5, 2001
4,340
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eric: i used "race gas" and "MTBE" its not the word you use, but the forum you search- i searched from "help/advice....."
 
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