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#4670159 - 02/18/18 07:25 PM Q: Easiest way to get some isoparaffins
diyer999 Offline


Registered: 02/17/18
Posts: 1
Loc: 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.

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#4670271 - 02/18/18 08:44 PM Re: Q: Easiest way to get some isoparaffins [Re: diyer999]
Nyogtha Offline


Registered: 10/13/14
Posts: 2319
Loc: 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?
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"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

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#4670333 - 02/18/18 09:41 PM Re: Q: Easiest way to get some isoparaffins [Re: diyer999]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
I used to buy Xylene from the paint supply house to mix in my race gas in my turbo Mustang drag car.
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#4670341 - 02/18/18 09:52 PM Re: Q: Easiest way to get some isoparaffins [Re: diyer999]
Ducked Offline


Registered: 10/25/12
Posts: 4330
Loc: Taiwan
IIRC, acetone, ethanol and methanol are also used as octane raisers.

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#4670368 - 02/18/18 10:22 PM Re: Q: Easiest way to get some isoparaffins [Re: diyer999]
JHZR2 Offline



Registered: 12/14/02
Posts: 41767
Loc: New Jersey
Read about folks putting mothballs in their tank

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#4670372 - 02/18/18 10:26 PM Re: Q: Easiest way to get some isoparaffins [Re: diyer999]
Nyogtha Offline


Registered: 10/13/14
Posts: 2319
Loc: San Antonio, TX
Mothballs are made of naphthalene, a polyvyclic aromatic, or 1,4- dichlorobenzene a chlorinated aromatic.


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

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#4670448 - 02/19/18 03:25 AM Re: Q: Easiest way to get some isoparaffins [Re: diyer999]
Olas Offline


Registered: 12/11/13
Posts: 3932
Loc: Manchester, England
Toluene is available on ebay
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#4670497 - 02/19/18 06:47 AM Re: Q: Easiest way to get some isoparaffins [Re: diyer999]
Boomer Offline


Registered: 09/19/08
Posts: 1934
Loc: 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.
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