How to boost your octane using various formulas
#31
the cost of materials at a paint store varies greatly depending one one thing, the mood of the salesman. i am a painting contractor by trade and have been for 8 years now. one salesman can charge you 36.00 a 5 gal. can and the next week you come back and get charged 50.00. the pricing lvls are chosen by the salesman at the time of purchase. sherwin williams is the worst for inconstant pricing, even with a national account they may not feel like contacting your home store and checking the price lvl you agreed on with your sales rep, therfor just chosing at random a price to charge you on the spot, i know it sounds unbeliveable, but its true. the best thing to do is call ahead and get a price from a salesman and try to act as if you know what your talking abought, even ask if your getting the best price possable, try telling them youll be buying alot of it in the future and you need to find the best priced retailer to do buisness with.
#34
Evolved Member
iTrader: (19)
Join Date: Sep 2005
Location: Butthole, MA
Posts: 834
Likes: 0
Received 0 Likes
on
0 Posts
I recently ran 1 gallon of Toluene with a full tank and datalogged no difference when using the same map as I always do.
I typically see 1-2 counts of knock now and then. I continued to see the same.
Which tells me 1 of 2 things.
1. Toluene doesn't work that well when mixed in about 8%
2. My knock is not necessarily real knock but just the sensor picking up ****.
I typically see 1-2 counts of knock now and then. I continued to see the same.
Which tells me 1 of 2 things.
1. Toluene doesn't work that well when mixed in about 8%
2. My knock is not necessarily real knock but just the sensor picking up ****.
#35
Evolved Member
iTrader: (8)
I find xylene readily more available and a lower cost. Sherwin Williams is the only place around me that carries toluene. I found no difference between the two (not data logging) but there was undoubtedly a difference between using them and not.
I did find a big difference when I switched from 100% denatured alcohol to 25/75 H2O/alky in my SMC kit (tried it) and will not be doing that again...
I did find a big difference when I switched from 100% denatured alcohol to 25/75 H2O/alky in my SMC kit (tried it) and will not be doing that again...
#36
Evolving Member
iTrader: (14)
Join Date: Jun 2005
Location: PA
Posts: 195
Likes: 0
Received 0 Likes
on
0 Posts
If you can get toluene cheap, that's great, and you can easily run about 20%, but the 114 octane number you find on all the web sites is meaningless. That number is a "Project 45" blending octane number, derived under conditions that have no relationship to today's world. See Bruce Hamilton's GAS FAQ http://www.faqs.org/faqs/autos/gasoline-faq.
Toluene is about 100 octane when blended with modern pump gas.
I'm a chemist, trust me on this one!
Dave
Toluene is about 100 octane when blended with modern pump gas.
I'm a chemist, trust me on this one!
Dave
#42
Account Disabled
iTrader: (4)
Dang, and here I am buying Gumout octane booster and it seems to be doing is lowering my gas mileage. So I have a couple of questions that I didn't find answers to. Does doing any of these mixtures harm your car, especially if it's stock? It seems as though it makes no difference whether you use regular 91 or a mix. Also, does using a mix do anything but make you use up all the gas, meaning better mileage?
#43
Evolving Member
iTrader: (5)
Join Date: Sep 2006
Location: Flat Rock, NC
Posts: 266
Likes: 0
Received 0 Likes
on
0 Posts
well did the calculations 9 gallons of 93 pump plus 4 gallons of xylene= 100 octane. Thing is im tuned for 23 pounds on the stock evo 9 turbo an this gave me 312 whp. Will it be safe and make a difference if i crank it up to 25 psi running this mixture? if so how much more of hp? oh im still have the stock fuelpump even though i already bought a walbro thanks in advance
#44
Evolving Member
iTrader: (4)
Join Date: Mar 2007
Location: Bellevue, WA
Posts: 147
Likes: 0
Received 0 Likes
on
0 Posts
4 gallons?!?!?!
You really want to stick to about 10% mixture or so. 4 gallons is more like 30%. Thats pretty harsh on the tank, lines and seals, I'd say.
A chime in from the experts on this?
I wish I could find xylene for a decent price. Anyone know where to get it in the Seattle area for cheap?
You really want to stick to about 10% mixture or so. 4 gallons is more like 30%. Thats pretty harsh on the tank, lines and seals, I'd say.
A chime in from the experts on this?
I wish I could find xylene for a decent price. Anyone know where to get it in the Seattle area for cheap?