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Q: Easiest way to get some isoparaffins #4670159
02/18/18 07:25 PM
02/18/18 07:25 PM
Joined: Feb 2018
Posts: 1
Mexico
diyer999 Offline OP
diyer999  Offline OP
Joined: Feb 2018
Posts: 1
Mexico
Is adding some higher octane gasoline the cheapest and easiest way to put as much isoparafffins into my fuel tank. I would purchase it directly but no search seems to bring up such a chemical for sale. Thank you.

Re: Q: Easiest way to get some isoparaffins [Re: diyer999] #4670271
02/18/18 08:44 PM
02/18/18 08:44 PM
Joined: Oct 2014
Posts: 2,551
San Antonio, TX
Nyogtha Offline
Nyogtha  Offline
Joined: Oct 2014
Posts: 2,551
San Antonio, TX
First, why do you want to do this - what are you trying to accomplish / avoid?

Second, both isoparrafins and aromatics have higher octane values. Each batch of gasoline is blended to balance production of all various components vs all specifications required, so no, simply using higher octane fuel does not guarantee increased isoparrafins.

Third, maybe you can purchase isooctane - ask friends in your areas that are into high HP racing. That and maybe isoheptane would be the only isoparrafins I can think of that purchasing seperately and adding to a gasoline mixture might be in any way practical to a point. But to what point?


"No matter how paranoid you are you're not paranoid enough. Tell the truth. Reach as many people as you can with it. That's your weapon." - Susanne Modeski, aka "Holly" to The Lone Gunmen
Re: Q: Easiest way to get some isoparaffins [Re: diyer999] #4670333
02/18/18 09:41 PM
02/18/18 09:41 PM
Joined: Dec 2016
Posts: 7,199
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,199
Waco, TX
I used to buy Xylene from the paint supply house to mix in my race gas in my turbo Mustang drag car.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Q: Easiest way to get some isoparaffins [Re: diyer999] #4670341
02/18/18 09:52 PM
02/18/18 09:52 PM
Joined: Oct 2012
Posts: 4,825
Taiwan
Ducked Offline
Ducked  Offline
Joined: Oct 2012
Posts: 4,825
Taiwan
IIRC, acetone, ethanol and methanol are also used as octane raisers.

Re: Q: Easiest way to get some isoparaffins [Re: diyer999] #4670368
02/18/18 10:22 PM
02/18/18 10:22 PM
Joined: Dec 2002
Posts: 42,303
New Jersey
JHZR2 Offline
JHZR2  Offline
Joined: Dec 2002
Posts: 42,303
New Jersey
Read about folks putting mothballs in their tank

Re: Q: Easiest way to get some isoparaffins [Re: diyer999] #4670372
02/18/18 10:26 PM
02/18/18 10:26 PM
Joined: Oct 2014
Posts: 2,551
San Antonio, TX
Nyogtha Offline
Nyogtha  Offline
Joined: Oct 2014
Posts: 2,551
San Antonio, TX
Mothballs are made of naphthalene, a polyvyclic aromatic, or 1,4- dichlorobenzene a chlorinated aromatic.

Last edited by Nyogtha; 02/18/18 10:30 PM.

"No matter how paranoid you are you're not paranoid enough. Tell the truth. Reach as many people as you can with it. That's your weapon." - Susanne Modeski, aka "Holly" to The Lone Gunmen
Re: Q: Easiest way to get some isoparaffins [Re: diyer999] #4670448
02/19/18 03:25 AM
02/19/18 03:25 AM
Joined: Dec 2013
Posts: 3,989
Manchester, England
Olas Offline
Olas  Offline
Joined: Dec 2013
Posts: 3,989
Manchester, England
Toluene is available on ebay


Cable ties should hold it
Re: Q: Easiest way to get some isoparaffins [Re: diyer999] #4670497
02/19/18 06:47 AM
02/19/18 06:47 AM
Joined: Sep 2008
Posts: 2,000
Pennsylvania
Boomer Offline
Boomer  Offline
Joined: Sep 2008
Posts: 2,000
Pennsylvania
One of the problems you can run into with your own fuel blending is getting a large difference between research octane and motor octane numbers. This can result in good bench numbers but horrible pre-ignition performance at speed, ruining an engine over time. This occurred in Europe some decades ago resulting in a lot of engine issues.


2013 VW Passat TDI SE, 61,200 miles Castrol Professional VW507 5W-30
2017 VW Golf All Track 18,370 miles Castrol Professional VW505 5W-40

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