Fuel additive test is complete

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Tested some additives in my sons commuter 2002 Ford Focus Zetec 2.0L DOHC 5 speed. Vehicle has over 111,000 miles. Oil used M1 5W-20 w/LC

The test was done over about a 7 week period. Route and speed used were as close as can be expected for this kind of test. Approximately 90% freeway miles. Weather varied a tad, with cooler weather for the earlier tests. Little rain. Close to 700 miles per additive (2 tanks). Vehicle was filled from the same pump (except VPower) and I broke the rules and filled to top of system so it was a close to the same as I could make it.

Shell 87 31.26 mpg.

Shell 87 w/FP 32.01 mpg

Shell 87 w/Lucas 31.64 mpg

Shell 87 w/F3000 32.55 mpg

Shell 87 w/Dipetane 33.10 mpg

Shell 87 w/Mothers Garage octane booster 31.37 mpg

Shell 93 V Power 31.78

Not scientific...but this was the outcome.
 
The Dipetane has the hightest mileage, but I can't find any good info on it. It seems like a marketing gimmick. Only sites about it are selling it.
 
I don't sell the stuff, nor do I know anyone who does, so I have no reason to promote it. I heard about it on the radio and ordered some online. It works, but it is not cheap. Depending on gas prices it may not be worth it.

On my Ford Explorers 4.0L gas mileage increased over 2 mpg. On my companies 5.4L Ford trucks, gas mileage went up near 2.5 mpg.

Could be various reasons besides the Dipetane, but the numbers are correct.
 
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I don't sell the stuff, nor do I know anyone who does, so I have no reason to promote it. I heard about it on the radio and ordered some online. It works, but it is not cheap. Depending on gas prices it may not be worth it.

On my Ford Explorers 4.0L gas mileage increased over 2 mpg. On my companies 5.4L Ford trucks, gas mileage went up near 2.5 mpg.

Could be various reasons besides the Dipetane, but the numbers are correct.




Oh sorry, I didnt mean to sound like I was accusing you or anything. I was just observing. The stuff is interesting that it DID produce a result. I would love to know exactly what it is.
 
not necessarily statistically significant, at just 2 tanks, but it does seem to show at least one very important trend - some additives CAN potentially improve fuel economy... note I said potentially.

Im suprised the lucas results are what they were.

The problem is that in normal everyday use, these results get lost in the noise.

It would be nice to do a cost analysis of the dose price vs. money saved for higher fuel economy.

I use adds for the lubricity, its nice to see these results - gives us some great insight.

Thanks for posting this, great work!!

JMH
 
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Thanks for the data, on the other adds though.
 
I get more variability than that in my car when I use exactly the same routes, same oil, same FP60 dose, same gas from the same stations, driving the same Cruise-control settings. I've put over 23000 miles on my car since September, 2006, so, I get to watch the trends in a fast-forward mode. There are no trends, with the possible exception of the temperature. Colder temps yield lower mpg.

Look, it's nice information, and nice to go through the exercise, but, the differences are NOT significant enough to make ANY conclusions. I'm not good enough with statistics to tell you how many gallons you'd have to run in your system in order to show a significant difference, but, I guarantee you, with the number of variables you have, it's much, much more than a couple of tanks full each.
 
Did you do the tests in the order shown? It’s possible that the cleaning effect of each additive had a cumulative effect.
 
The additives were run in the order listed. The vehicle has been run on either FP60 or Lucas UCL for it life so it should have been in great shape. The vehicle was as empty as I was comfortable at the start and between additives.
 
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