YucaLandia
Feb 14, 2012, 4:28 PM
Post #25 of 43
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Re: [michoacan] It's that time of the month -- Gasoline prices go up
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Good observation.
Chevron fuel system cleaner with Techron or Chevron injector cleaner with Techron are 2 of the very best cleaners for fuel injection systems. They do a great job of cleaning fuel injectors and intake manifold ports and intake valves. The "Fuel System Cleaner" seems to have more Techron than the "Injector Cleaner".
The first bottle you run will generally dump a large amount of black gunk (months to years of previously accumulated organic acids and phenolics that accumulate on intake valves and injectors) into your oil => nasty oil** - and the exhaust doesn't smell nice during that first bottle-full.
Due to newly cleaned injectors spraying smaller finer more even fuel droplets, and better breathing intake ports, and smoother and higher intake flows, most people will notice both improved gas mileage (10% - 15% is not uncommon) and improved acceleration and more power. win, win, win
Background: Chevron Techron was the first US fuel system additive approved by BMW and Mercedes. The only other fuel cleaner that we have found that works as well is a BG product that costs $14 vs $7 for Techron. Techron removes more gunk than 4 bottles of cheap injector cleaners.
]Background:
Mexican gasoline from Pemex does not burn as cleanly as US gasoline, it does not have the additives and detergents that Shell and other major brands contain, and Pemex gas seems to have higher RVP (Reid Vapor Pressure) values than US warm weather gasolines (making it more volatile - but having a lower energy content per liter).
**For all these reasons, we find that we have to run a bottle of Techron roughly every 5 tankfuls of gas. Since 5 tankfulls corresponds roughly to an oil change period, we add the bottle of Techron for the last tankful before the oil change. Add the bottle before filling the tank, and then drive the vehicle to less than 1/4 tank remaining. (If you refill with gas before 1/4 tank, it dilutes out the Techron => poorer cleaning). By doing it this way, you dump 2,000 miles of accumulated partial combustion gunk into your old oil, which you then change. This is also environmentally friendlier, because the black gunk in the oil raises tailpipe hydrocarbon emissions - and by washing the gunk into the oil just before changing minimizes the amount of time you drive around with gunky acidic oil - less pitting of engine parts by the organic acids. win win win
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Read-on MacDuff
E-visit at http://yucalandia.com
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