WTF ? This goes against all we were taught
Check this out .....
MYTH: Light oil such as 5W-30 delivers the best mileage. Utter nonsense. Five decades of road testing and engine dyno testing for efficiency has shown that straight 40 or 20W-50 or 15W-40 delivers the best mileage for your car or truck. HINT: Drain your light oil and switch to a heavier oil because that will reduce friction in the engine and give it better efficiency and wear protection. We use Torco Oil for best mileage. Torco International is found in Santa Fe Springs, California. MYTH: Thick oil has too much friction. 35-percent better mileage can be attained in some cases with a thicker oil. But use a good oil, not some cheap brand. The little you save in the cost of oil comes back to haunt you with rapid wear and poor mileage. HINT: Engines.love a thicker oil because it has less friction and wear. Find oils with SF, SG and SH specifications. Avoid SJ and SL oil ratings. Start using motorcycle oils instead of automotive oil. It is quite easy to demonstrate the fact of thick versus thin. I first did it in 1967. I used to add a few oz. of bright stock to engine oils to reduce friction for better power and mileage. |
I think he's full of ****, his whole website makes little to no sense.
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The only thing I get from it is he REALLY likes Toroco oil and it's products. I don't brag about my kids that much. I know this is false because I drive my car the same distance to work and back everyday. I normally get 400 miles per tank or really close to that. I changed my oil from 5w30 to 10w40 and I could not get better than 360 miles out of the tank. Even if I pushed it to almost run out of gas. 3 tanks from 325 to 360 miles. I went back to 5w30 and got my 400 miles back.
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I'm sure some would argue that you should have gone to 20w 50 then, that your 10w 40 was to thin...
what type of engine does this guy run? I could how maybe higher reving engines would do better with light oil, and slower engines with heavier? but the whole idea of thiner oil can be showen in bicycles, if you want a really fast bicycle, take the greese out, and replace it with a thin oil, sure you will have to keep oiling your bearings, but you will go faster. |
That guy's website is hilarious. About two years ago it was all the rage on fuel economy groups. Now most people don't pay it much attention.
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he is using a 2.0 SOHC from a dodge neon. They rev pretty high. Tach goes to 8k and the redline is marked at 6500. Lighter oil right ??
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What Website???
[QUOTE=badgett]Check this out .....
MYTH: Light oil such as 5W-30 delivers the best mileage. Utter nonsense. Five decades of road testing and engine dyno testing for efficiency has shown that straight 40 or 20W-50 or 15W-40 delivers the best mileage for your car or truck. HINT: Drain your light oil and switch to a heavier oil because that will reduce friction in the engine and give it better efficiency and wear protection. We use Torco Oil for best mileage. Torco International is found in Santa Fe Springs, California. What Website??? I wanna see ! :D |
Here's my take on his page: https://crxmpg.com/feclaims1.html
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here is the link I used ...........https://www.lubedev.com/smartgas/
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5 MPG for Kirker wires 15-35% for 20w-50 35% for 3% acetone for 10 gallon of fuel These alone will put in basjoos counrty. |
Just to confuse the issue I am running 5w50 in my xB from Synlube - it's not really the oil weight but the oil friction reducers. Heavy oil clings to the cylinder walls and can build up in the piston rings more and throw the pistons out of balance with the oil buildup and slow them down if they get loaded up with heavy oil. Too light an oil and the rigns press through the oil film and you get metal to metal contact and rapid ring wear. Not enough oil pressure from too thin an oil and your rod bearings can hit the crank journals and spin causing scoring and damage - rod knock.
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I believe that some auto manufacturer's are less efficient in their design by default. It shouldn't be much of a stretch to imagine someone getting an extra 20% out of a 25mpg Dodge and unable to do the same in a 40mpg Honda. Anyway, I'm just rambling now. |
Man that was an interesting article
https://www.lubedev.com/smartgas/additive.htm AND LONG!! Phew I kept falling asleep - happens sometimes in the afternoons anyway - but very interesting that the results can vary with the engine. Maybe you guys with hondas that tried it should get some beauty supply acetone and some ethanol free gas and try it again. Going to have to try the 50-50 mix of Xylene and Acetone next fillup. |
Oooops, Lol, I gave Badgett the link to that website in another thread.
I've tried everything on that site in my truck and a bunch of stuff on my car. When it comes to the oil, just use the cheapest dino you can find. Then add the torco mpz and EAL to the oil. I got my best mpg doing that. That torco stuff has a ton of moly in it. I think the moly is mainly responsible for reducing friction and improving mpg. Btw I have met the guy that owns that site, he's a decent honest guy, not trying to scam anyone. Some stuff may work for ya some might not, don't be afraid to experment;) |
If the engine has low compression due to poorly sealing piston rings, heavier oil would raise the compression ratio, reduce blow-by and and result in better mileage. But in an engine in good condition, low viscosity oil should result in less friction and better mileage.
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Oil -- Slippery Business
Ah Oil. Can't live with it, can't live without it.
Despite the recommendations for 5W-30 in all applications by the manufacturer in this case, I think a few considerations should be made.
First, I'd be more comfortable with a slightly heavier oil in extreme heat, and if operating under the "severe" maintenance schedule's conditions (maybe like a 10W-40). Next, I have to throw-in that for viscosity's sake, 5W-30 Syn and Dino have the same "thickness", right? Last, on a Honda with i-VTEC, you have a variety of critical engine components that run on oil pressure -- one of which is the variable valve lift actuator. If I had to guess, the cam timing adjuster probably runs on pressure as well. I wouldn't feel comfortable messing with the recommendation of Honda to run 5w-30 24/7/365. For older, or less-complex engines (without VVT, etc.), perhaps 3 independent, monitored, double-blind experiments with a variety of oil weights and types will settle the arguement. I don't trust "testimonials" or manufacture-sponsored experiments unless independently monitored, and easily reproduced. Until then, as Matt said, a blanket statement for all cars and engines is useless, as we've learned. RH77 |
Nice Article, Ben
I took a look at the crxMPG.com article: excellent breakdown of the claims, Ben. Also, the site is looking good! The DIY section is useful.
RH77 |
Aww, thanks rick. I need to update the site, or find a partner, but I'm so busy/lazy with life. Yar lar lar.
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Scroll down to the bottom. Torco dosen't stack up to well especially in the viscosity test. Keep in mind that Amsoil did the test.
https://www.go-synthetic.com/amsoil_v...vs_mobil1.html |
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