When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Uh ya... Take the brochure and use if for kindling… you’ll never see anything like that if your lucky enough to see anything at all, especially on a fuel injected truck.
You can be almost certain that such a dramatic claim is a total lie.
Originally Posted by idealtrucks
I got a brochure that claims a 20% increace
In some cases tests of these Silver Bullet miracle devices have actually increased fuel consumption, most do nothing at all other than separate you from your hard earned cash.
Even 'MythBusters' got into the act confirming the thriving Snake Oil market in worthless add ons.
Unless it's carbed or throttle body injected it's a waste of money. I used to have a customer at an old job that went from 6 to 9mpg on his GM dually with a 454 using one of those. That's the only positive experience I've ever had first hand knowledge of.
The automobile manufacturers spend millions of dollars trying to get their average fuel economy numbers up. If it was that easy they'd all be doing it.
No they dont work, I need to shed the one I have for my 01 5.4 Ive tried it every which way but loose and tested it in stock box and with the k&N setup..It makes a great $60.00 paper weight...also dont try the 160 degrees thermostats..it will trow a code and run to rich!!!!