Moth balls in gas tank to boast octane. Does it work? - Ford Mustang Forum
 
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post #1 of 14 (permalink) Old 02-06-2010 Thread Starter
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Question Moth balls in gas tank to boast octane. Does it work?

i've been hearing a lot from some of the older stang owners that inorder to REALLY boost my octain that i should put moth balls in the tank...i was just wondering if anyone has done it or knows the affects it has on the engine...or if it would even really work?:?::?:

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post #2 of 14 (permalink) Old 02-06-2010
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they showed that on mythbusters and it is true without a doubt. but they did not test for any long term effects. if they totaly dissolve then i wouldn't worry about it that much. hmmmm may get a mason jar...some gas.....and a some moth balls and see.

93 silver hatch, 308, gt-40y heads, ford racing f cam, gt-40 intake, pulleys, bbk shorty headers, diablo chip, dynomax bullets, 4:10 gears, 5-speed.


Just try and keep it between the ditches.
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post #3 of 14 (permalink) Old 02-06-2010
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i suppose if you melt the mothballs first it will work but like blankenstang said who knows about the long term effects. i think there is a screen in the fuel filler tube that will stop any large particles from getting into the tank and then to the fuel pump. although i may be wrong. good luck!

Built 302 with boost brothers single intercooled t67 turbo kit. 526.14rwhp and 496.00rwtq @6psi boost. Lost fuel @5500rpm. Tuned by George @ Akron HP. Serious changes as we speak....
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post #4 of 14 (permalink) Old 02-06-2010 Thread Starter
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i was thinking the same thing about prediluting( cant spell:kooky it in a gas can then testing it...what octain did it make?...i missed that episode...

86 GT 5.0 HO
10:1 compression
MSD 5.0 probillet distributor
flexilite race raditor
ford racing egual length headers
8.8 MSD plug wires
ford AOD trans w/ trans break
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post #5 of 14 (permalink) Old 02-06-2010
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wild pony1986

I did some research and this is what I found out:

Actually, yes, mothballs will slightly assist the octane rating of gasoline. HOWEVER, in that grain of truth there lurks the potential for disaster. One must use very few mothballs (naphthalene only) because the ratio of carbon to hydrogen in the molecules makes for a very dirty burning fuel. Too many mothballs and your engine will load up with carbon deposits -- very bad news in the performance department.
Also DO NOT mistakenly use moth crystals (paradichlorobenzene). The chlorine
atoms in this material becomes HCl upon combustion. Hydrochloric acid (HCl) is
very destructive to engine internals.

Finally, unless your engine is high compression and in need of high octane
fuel, enhancing the octane rating of the fuel over what is required is simply
a waste of money. High octane fuel burned in an engine designed for lower
octane fuel does not increase engine power.

Hope this better informs you


The road to enlightenment can be a bumpy one. The road to stupidity.....deadly.

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post #6 of 14 (permalink) Old 02-06-2010
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they didnt test the actual octane jump. but you could hear the change in the engine, and it was a change for the good. let us know what you find out. hopefully they do dissolve completely, then i would run it with no worries. not saying that it wouldnt damage anything just saying sometimes it's worth the risk.

93 silver hatch, 308, gt-40y heads, ford racing f cam, gt-40 intake, pulleys, bbk shorty headers, diablo chip, dynomax bullets, 4:10 gears, 5-speed.


Just try and keep it between the ditches.
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post #7 of 14 (permalink) Old 02-06-2010
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60s tech.

Dirt track stock car racers used moth balls back in the 60s and early 70s. They also used banana oil. I would buy some 110 to mix with my pump gas instead. 90 lx sportsman racer.
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post #8 of 14 (permalink) Old 02-06-2010
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agreed! like digger said Digger i have no need for race gas. Also thanks for the info.

93 silver hatch, 308, gt-40y heads, ford racing f cam, gt-40 intake, pulleys, bbk shorty headers, diablo chip, dynomax bullets, 4:10 gears, 5-speed.


Just try and keep it between the ditches.
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post #9 of 14 (permalink) Old 02-06-2010
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sounds like something id tell a ricer! lol


then again they need what they can get
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post #10 of 14 (permalink) Old 02-06-2010 Thread Starter
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thanks for all the info and i just wanted to know...its not for my 86 its for my 68 coupe with a hoped up motor...it runs 11:1 comp

86 GT 5.0 HO
10:1 compression
MSD 5.0 probillet distributor
flexilite race raditor
ford racing egual length headers
8.8 MSD plug wires
ford AOD trans w/ trans break
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From the science side of it, there are several moth balls available - the type that is being referenced is naphthalene. Do not consider using anything else.

Naphthalene is a hydrocarbon
Gasoline is a hydrocarbon
Naphthalene is C10H8 and since it's just carbon and hydrogen (like gasoline), it won't likely do any damage to your engine
It looks like two benzene rings fused together - benzene burns with a very smoky fire which would make me think this would make a poor gasoline.

Based on the price of gasoline vs. the cost of mothballs - I would recommend using gasoline.
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also benzene is a known cause of cancer cancer.

93 silver hatch, 308, gt-40y heads, ford racing f cam, gt-40 intake, pulleys, bbk shorty headers, diablo chip, dynomax bullets, 4:10 gears, 5-speed.


Just try and keep it between the ditches.
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But why......

I would never consider doing it to many variables.....

A gallon of race fuel is a lot cheaper than replacing pistons......
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or a $5 bottle of octane booster from the parts store..

either way its just blowing $$$ out the tailpipes on a stock type motor

1987 Notchback - N/A stock 302, TFS heads, Holley Systemax, FTI cam, Astro A5
Best so far: 10.92 @ 123mph with a 1.49 60ft
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