odd test results

[kitcar]

I had an idea last night that involved several adult beverages and the combination of two additives that I've been playing with for an episode of my video show.

The results that I got were unexpected.

Here's the vehicle; 2000 Dodge Dakota, 4.7L H.O., 5 speed manual, 3.55:1 limited slip rear axle, towing package, air dam, side skirts, bed cover. Airraid filter, Mobile 1 oil, hyper mileage driving techniques (short shifting, clutch in down hills, light pedal pressure, fillups at same pump at same station, mileage checked through stock computer and manual figuring). Please note that the crankcase oil is very due for a change - typically I gain another 1-2 mpg with fresh oil.

Without any additives, just the air dam, etc., regular gas, Mobile One oil we're getting 18.7 to 19.2 mpg. With additive 1, mileage is 20.8 to 21.5. With additive 2, mileage is 20.7 to 20.9. The test course is 7.2 miles (city) all on open loop (not long enough to get to closed loop) The highway loop is 12.8 miles, closed loop. This is the breakdown:

Additive 1:

City: 20.5 to 20.9 (7 stops, speeds from 25 mph to 55 mph)
Highway: 21.2 to 21.5

Additive 2:

City: 19.9 to 20.5 (7 stops, speeds from 25 mph to 55 mph)
Highway: 20.2 to 20.8

So I think to my self after the application of adult beverages that I should try combining them. I measured them out, combined them (resulting in a milky white fizzy mixture) and poured them on in.

Today, the results are as follows:

Combined additives:

City: 25.8 (7 stops, speeds from 25 mph to 55 mph). This is the highest result I've ever achieved.
Highway: 24.7

I'm flummoxed at this point. These two chemicals added together amount to nothing more than they do separately. In other words, they are not additive in nature. I'm not sure that using this mixture long term will not harm the fuel system, like clogging the injectors or harming the fuel pump but it's a weird result I thought I'd share and see if anyone would like to attempt to replicate.