Have you guys seen this yet?

[whatmaycome14]

This Simple Engine Modification Could Increase Your Car's Mileage And Decrease Its Emissions - Business Insider

[jedi_sol]

not yet, but it sounds legit! unlike some other fuel saving scams out there

It would be nice to see this come into fruition

[Ecky]

Will's engine modification system called OVER7 increases fuel economy by over 7 percent, while decreasing emissions by 30 percent and engine wear by 96 percent.

...

OVER7 works by increasing the heat of the oil used in the engine, up from about 200°F to between 250° and 300° in an engine utilizing OVER7, which allows the oil to flow easier. This means that the engine works less hard and uses less gas, allowing for greater fuel economy.

Haven't read about it yet, but seems like a good idea. My car already has a waterjacket in the header to decrease warmup time, oil seems the next logical step.

[Xist]

Will's engine modification system called OVER7 increases fuel economy by over 7 percent, while decreasing emissions by 30 percent and engine wear by 96 percent.

Eight percent?

OVER7 works by increasing the heat of the oil used in the engine, up from about 200°F to between 250° and 300° in an engine utilizing OVER7, which allows the oil to flow easier. This means that the engine works less hard and uses less gas, allowing for greater fuel economy.

Will explains that only 20 percent of fuel is actually used by a car, while the other 80 percent is wasted as heat. OVER7 redirects the heat energy that would normally be disposed as emissions from the tailpipe and uses it to heat up the oil, which in turn decreases the amount of fuel required.

OVER7 is so simple and saves so much that once installed in a car it pays for itself in less than a month.

Will, [...] is currently working with a major car manufacturer to test out the system and hopes to see OVER7 on the road in three to five years.

Will hopes to work on a cheap kit that would allow the environmental savvy and cost conscious alike to install OVER7 on their cars at home, making the system's benefits available to everyone.

They link 2012 Invention Awards: A Higher-Efficiency, Lower-Emission Engine System | Popular Science, which states:

The temperature of a warmed engine in a car running at a moderate speed, and the oil inside it, hovers at around 200°F. When the same engine is modified with an Over7 system, oil runs through it at 250° to 300°, while the engine block remains at 200°

In the Over7 prototype, a bypass hose collects hot motor oil before it returns to the oil pan, where it would have cooled down, sending it instead to a heat exchanger that transfers heat from the engine's exhaust gas and makes the oil even hotter. A thermostat ensures that the exit temperature of the oil does not get above 300°, so it's still within most car manufacturers' maximum temperature specifications.

and later:

Oil flows through a bypass pipe into a heat exchanger, rather than flowing back into an oil pan to cool. Once the oil is heated to as high as 300˚, a flap valve in the heat exchanger redirects exhaust gas into an exhaust bypass so that no further heat transfers to the oil.

In that time, he also plans to finish a $200-to-$400 conversion kit

Okay guys, how do I make this for my car now?

Say $300 for the kit. "Over 7%," I will use 7.01%. "Less than a month:" 99%. According to AAA's Daily Fuel Gauge Report, $3.01 averaged nationwide. Also, it looks like the EPA estimates around 22.5 MPG for a national average ($2,000 yearly in fuel to drive 15,000 miles)

$3.01 * .0701 * 15,000 / 12 / .99 / 22.5 = $11.61

If you drive 15,000 miles yearly, that is 1,250 miles each month.
$167.22 per month in gas. $165.55 for "less than a month" at 22.5 MPG
Over 7.01% of that is $11.61

300 / 11.61 = 22.85--It would take nearly two years to pay off that investment for the average American!

How do you increase the oil 100˚ without heating up the engine further?

[Frank Lee]

This is new to me. But hot oil's pros and cons aren't.

Usually oil COOLERS are fitted.

[Ecky]

Originally Posted by Xist

How do you increase the oil 100˚ without heating up the engine further?

You don't, but the cooling systems in most vehicles have a lot of extra capacity, such that this could probably be done safely. Us ecomodders would need to open up our grille blocks some.

I can attest to the effectiveness of even a header waterjacket though. Autostop supposedly doesn't work until the engine is up to temperature, and I often get it before I'm a quarter of a mile from home with my tiny 1.0 3-banger. The radiator is about the same size in a Civic, probably to cover the extra cooling needs.

[Xist]

Comments:

Neat!
Why not just use synthetic oil?
It does the same thing without needing all the bolt-on technology.

Someone asked if they knew what the cheap oil that most people put in their engine does at 300˚.

A later comment stated:

Motor oil starts burning at about 400 C. Probably not a good idea to heat it up to 300 C. Just sayin.

[Ecky pointed out Over7 is supposed to raise the temperature to 250˚F, which is only 121˚C]

Sorry, this idea is a failure. The exhaust on your engine runs about 1500 F. You want to heat your oil? Jacket the exhaust pipe with your oil pan. You want to thin your oil? Switch to 10W20. You want to shorten the life of your engine to save 20 cents a gallon? Do either one of the above.

[cowmeat]

I wouldn't mind heating my oil to 300 degrees if it meant I could make Buffalo wings on the fly!

[Ecky]

@Xist, there are hot points in the engine that are already well above 200f. Cylinder walls? Around the valves in the head?

Notice mixing of units. 300f != 300c. 300c is almost 600f.

I imagine 250-300f shouldn't be too much of a problem if you're running a decent oil that doesn't start to burn until 450+.

[Xusn96]

Sounds sketchy to me, like its the hard way to use lighter oil, and decrease its life at the same time.