50% used motor oil 50% diesel - Page 10 - PeachParts Mercedes-Benz Forum

P.E.Haiges · #**136** 05-08-2008, 01:08 PM

Craig,

They probably never assumed (correctly) that Diesel fuel would be $4+ a gallon in the USA.

P E H

TwitchKitty · #**137** 05-08-2008, 01:13 PM

If you are reading this for information be aware that people are presenting bad information as fact. Double check anything you read here before you accept it as fact.

Kpmurphy · #**138** 05-08-2008, 02:17 PM

When I first got my 220D I was looking up info about changing diesel engine oil, I did not know about this form yet.
I came across a web site that sold a machine that is used on construction sites that sucks the oil out of the diesel engine, filters the oil, and then the filtered oil is pumped into the fuel tank. Now I can not find the web site.

jt20 · #**139** 05-08-2008, 02:29 PM

http://p2library.nfesc.navy.mil/P2_Opportunity_Handbook/6_I_2.html

http://www.greencarcongress.com/2006/08/recycling_used_.html

http://www.epa.state.oh.us/ocapp/p2/recyc/oilmark.html
http://www.ehso.com/usedoilsba.htm

Hatterasguy · #**140** 05-08-2008, 03:27 PM

Quote:

Originally Posted by TwitchKitty

If you are reading this for information be aware that people are presenting bad information as fact. Double check anything you read here before you accept it as fact.

Well that passage from the owners manual is pretty factual. Thats what MB says to run them on, and since it has worked so well for so long its hard to argue with the results.

1983/300CD · #**141** 05-08-2008, 04:16 PM

Quote:

Originally Posted by P.E.Haiges

It didn't say anything against adding used engine oil.

P E H

Yes it did.

"Use only commercially available vehicular diesel fuels No. 2 or No. 1 (ASTM D 975 no. 2-D or No. 1-D)."

The only exception is kerosene. Also mentioned.

TMAllison · #**142** 05-08-2008, 04:19 PM

Quote:

Originally Posted by 1983/300CD

Yes it did.

"Use only commercially available vehicular diesel fuels No. 2 or No. 1 (ASTM D 975 no. 2-D or No. 1-D)."

The only exception is kerosene. Also mentioned.

Easily overlooked in the first sentence.....

#**143** 05-08-2008, 04:24 PM

Quote:

Originally Posted by P.E.Haiges

Craig,

They probably never assumed (correctly) that Diesel fuel would be $4+ a gallon in the USA.

P E H

It looks like I'm about to spend about $7-8K to toss a reman 617 in my car, are you seriously suggesting that I should run it on used motor oil to save a few pennies on fuel? What would you do if you were writing the check?

Fuel is still cheap compared to engines.

vstech · #**144** 05-08-2008, 04:31 PM

at 24MPG... and 5.00/gallon fuel costs ... $52083 every 250K miles... so, you'd only have to save 1.00 per gallon to save over 10,000 over the 250K life of the motor..., now if you figure the motor will last 500K, (pretty unrealistic based on examples on this forum...) you would be spending 104K for the life of the motor, and would only have to save $.50 per gallon to save $10K...
so the question is, how much will you save using used motor oil. how much can you damage the motor, are you willing to do it?

Kpmurphy · #**145** 05-08-2008, 04:58 PM

Quote:

Originally Posted by Craig

Fuel is still cheap compared to engines.

And there are only so many engines that are original, I was told that you can rebuild a Mercedes engine but it will never last as long as the original engine. So we need to keep our cars running on the cleanest full we can find. Pierre is drilling me on this all the time. I have showed up to his shop 2 times with my pre filter black from adding a gallon of oil to my diesel fuel. I no longer do it.

#**146** 05-08-2008, 05:03 PM

Quote:

Originally Posted by Kpmurphy

And there are only so many engines that are original, I was told that you can rebuild a Mercedes engine but it will never last as long as the original engine. So we need to keep our cars running on the cleanest full we can find. Pierre is drilling me on this all the time. I have showed up to his shop 2 times with my pre filter black from adding a gallon of oil to my diesel fuel. I no longer do it.

LOL, my indy would probably kick me out and tell me not to come back.

spark3542 · #**147** 05-08-2008, 05:25 PM

Quote:

Originally Posted by Craig

It looks like I'm about to spend about $7-8K to toss a reman 617 in my car, are you seriously suggesting that I should run it on used motor oil to save a few pennies on fuel? What would you do if you were writing the check?

Fuel is still cheap compared to engines.

Your math is flawed. Firstly, you shouldn't be spending $7-8k on a reman engine, unless your chassis is in absolute mint condition, and ready to win any judging contest You still wouldn't have matching numbers once your new engine is in it. That's like spending $500 for a new picture tube for your 1970 25" Zenith. It just doesn't make sense.

As far as putting creative things in your fuel tank, MB manual narrowly defines it for liability reasons. The lawyers won't let the manual get released if it says "run pretty much anything in your fuel tank, the engine can take it"

I've run BD, WVO/RUG blends, ATF, and even a little used motor oil in my fuel tank. I have put 36,000 miles on one car, 12,000 on the other, both are running fine. This make a total of $7200 real dollars I've saved on fuel in the past year and a half.

Don't fear your engine.

thesst · #**148** 05-08-2008, 05:42 PM

Quote:

Originally Posted by spark3542

Your math is flawed. Firstly, you shouldn't be spending $7-8k on a reman engine, unless your chassis is in absolute mint condition, and ready to win any judging contest You still wouldn't have matching numbers once your new engine is in it. That's like spending $500 for a new picture tube for your 1970 25" Zenith. It just doesn't make sense.

As far as putting creative things in your fuel tank, MB manual narrowly defines it for liability reasons. The lawyers won't let the manual get released if it says "run pretty much anything in your fuel tank, the engine can take it"

I've run BD, WVO/RUG blends, ATF, and even a little used motor oil in my fuel tank. I have put 36,000 miles on one car, 12,000 on the other, both are running fine. This make a total of $7200 real dollars I've saved on fuel in the past year and a half.

Don't fear your engine.

Well said. If you're spending 7-8K on a reman engine you're paying WAAYYYYY too much.

#**149** 05-08-2008, 05:57 PM

Quote:

Originally Posted by thesst

Well said. If you're spending 7-8K on a reman engine then you shouldn't even be operating a motor vehicle. That would put your IQ below 70.

Careful, feel free to express you opinions on automotive subjects (and I'll feel free to ignore them), and you won't have to be concerned with being banned.

#**150** 05-08-2008, 05:59 PM

Quote:

Originally Posted by spark3542

Your math is flawed. Firstly, you shouldn't be spending $7-8k on a reman engine, unless your chassis is in absolute mint condition, and ready to win any judging contest You still wouldn't have matching numbers once your new engine is in it. That's like spending $500 for a new picture tube for your 1970 25" Zenith. It just doesn't make sense.

Sorry you don't like my math, but I'm the one writing the check.