datsun-roadsters
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Re: Acetone as a fuel additive - 35% milage increase or 100%

To: Stephen Wan <Steve@olsonarchitect.com>
Subject: Re: Acetone as a fuel additive - 35% milage increase or 100%
From: RWM <RWM@rwmann.com>
Date: Wed, 21 Sep 2005 12:04:17 -0400
MPG impact aside, what sorts of seals in the roadster fuel delivery 
system might be attacked by acetone?

- RWM, '68 2000 Solex



Stephen Wan wrote:

>To revive an old thread...
>I just happen to put a few ounces of acetone into the tank before my ortega
>run (130 miles).
>Previously my mileage has dropped to 18mpg since going with low profile tires
>in combination w/ a K&N.
>I just filled up the tank at 193 miles and the pump stopped at just under 8
>gallons.
>That doesn't seem right, so I squeeze the lever again. Click.
>As I pull the recipt, I do the math........25mpg?!?!
>I get 18 mpg doing 70% hwy and 30% city driving, but 25mpg on a ortega cruise
>with full throttle runs.
>My other cars, though, have not seen any increase in mileage.
>My theory is that fuel injectors do a great job of atomizing the fuel and
>reducing surface tension does not make the fuel burn more completely.
>On a carburated engine, reducing surface tension may make a bigger difference
>since the venturi effect is not break up the fuel droplets as efficiently.
>Unfortunately I also added 91 octane gas rather than 87 to prevent pinging
>before my run so further testing is required.
>My current tank of gas will have 87 octane and acetone.
>
>Steve
>70' 1600
>
>  ----- Original Message -----
>  From: limprod
>  To: 'roadster list'
>  Sent: Thursday, May 05, 2005 12:23 AM
>  Subject: O/T: Acetone as a fuel additive - 35% milage increase or 100%
>hype?
>
>
>  Just google "acetone fuel additive".   What is everyone's take on this?
>
>
>
>  In short mixing 1:5000 to 1:3000 parts acetone to gasoline will supposedly
>  aid fuel vaporization while reducing friction and emissions.






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