One difficulty is that the uncertainty error associated with fillup of one small tank will outweigh any measurable difference. If you use a scangauge to measure the consumption during your test, it should be far more accurate than relying upon the auto shut-off of the gas pump.
One difficulty is that the uncertainty error associated with fillup of one small tank will outweigh any measurable difference. If you use a scangauge to measure the consumption during your test, it should be far more accurate than relying upon the auto shut-off of the gas pump.
True, however, I always (unsafely) top off my tank, and then try to refill at .1 or .2 gallons left (according to the car)...
...The Scan-Gauge is certainly a handy gadget, but checking fuel consumption over a short distance at 50 mph allows many confounding factors (most notably tiny variations in speed) to significantly affect the result. Modifications to the engine (or fuel) can also reduce the accuracy of the Scan-Gauge.....but still the best tool out there...
Without a scangauge I am a bit blind as to immediate results, however I am averaging about 280ish mpg with unaltered 93 octane fuel and have just filled up my first tank with acetone added.
How are you measuring 280 mpg ? If you've gone 280 miles and your gas gauge hasn't gone down you might want to keep a gallon close by... it would really suck if your apparent increased mileage is just from a faulty gas gauge... damaged by acetone, perhaps.
Depends on what parts are involved of course, but acetone is a powerful solvent.
How are you measuring 280 mpg ? If you've gone 280 miles and your gas gauge hasn't gone down you might want to keep a gallon close by... it would really suck if your apparent increased mileage is just from a faulty gas gauge... damaged by acetone, perhaps.
Depends on what parts are involved of course, but acetone is a powerful solvent.
I meant to say that I'm getting 280 miles to a tank... I corrected it in that post. This is my first tank with acetone. I usually get about 74 miles before the first fuel level block goes, so we'll see how it goes with the acetone. I'm at 50 miles as of today...
So far there hasn't been any noticeable increase. As I don't have a scangauge (or the like) I cannot tell for sure. I haven't changed driving habits, and I drive the same route every day. As of this point in time, I don't think that the acetone is helping to atomize the fuel any better than our EFI is capable of, but I have noticed a slightly smoothed out idle, and there is far less soot in my left BPP exhaust tip than normal. It has been two days since I last cleaned it, and it looks like it's only seen one 10 minute drive!
So, something is going on in there. It would seem that claims of acetone cleaning up a car's emissions may be true!
As for the mileage, I am at about 115 miles after two blocks of the fuel meter... That is about par for me...
I added a Tornado to the intake hose on my Expedition. It gave me another 3MPG and after 250,000 miles, I think it has paid for itself a few times over.
I have my doubts as to the value of adding acetone. Back in the older days when motors were not so efficient, it did help but with all the new computer controls, I don't think it will make much difference. But the only way to find out is to give it a try.
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