Homebrew octane

[Bill Verburg]

A while ago someone(I think maybe Jack) was asking about octane boosters. I just came across this site w/ some relevant info.

[Shawzy]

Although tempting, I don't like to fool around with boosted octane levels (i.e.95+) due to the fear I have of self-ignition (i.e. compression of the fuel to a point where it ignites BEFORE the sparkplug fires - i.e. backfire).

The thought of all 6 cylinders firing like a diesel doesn't appeal to me or my wallet......

I have no experience with boosters however so other guys please comment and correct my fears accordingly if possible!

Anyone had good luck with 'boosters'? I have used a Swepco gas improver, 503, which claims to allow fuel to burn more completely and therefore provide a 'boost'. It cleans injectors too. I noticed a diff in my gal's civic, but didn't do much for my 911SC.

[TimT]

errrr, higher octaners resist compressive detonation.... which is a good thing.

I run 104 in my car 9.8:1

I have used toluene and xylene as a stop gap measure,when I have run out of VP fuel.

toluene and xylene are cheaper than the same repackaged products. Mix them with marvel mystery oil and off you go

[Shawzy]

excellent!

i was told the opposite, seemed to make sense, and therefore have steered clear.

[Embs]

Originally posted by Bill Verburg
I just came across this site w/ some relevant info.

From the link posted, Formula 1, 10%...94.2 Octane from a base of 92 octane at the pump.

Pardon my ignorance but can you dump a gallon in for every 10 gallons of gas without premixing, or should it be mixed prior?