Guys raggin on Drive Clean Flash Point

Motorbike · Oct 4, 2004

Mobil was using the Penskey-Marten closed cup method to arrive at the 392F value .

The old Mobil Drive Clean flash point was around 440 - 446 F if the Cleveland Open Cup method had been the method of choice

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TallPaul · Oct 4, 2004

It's too bad all the oil companies don't list NOACK instead of (or along with) flash point.

Motorbike · Oct 4, 2004

Yep it is but with the ISLAC GF-4 and GF-4 oils the max is 15 .

I'm not sure any of the low cost oils were better than 13 .

API ShhmaPI

Bobert · Oct 4, 2004

So the Mobil DC+ 10w-40 must be hovering close to 500F flashpoint with the Open Cup method.

Bobert · Oct 4, 2004

TC · Oct 5, 2004

I'm looking at a bunch of dino spec sheets I printed out about 12 months ago. All are "SL" oils. I've listed the exact wording of their Flash Point methodology:

Mobil Drive Clean: ASTM D 92 (This corresponds to Cleveland Open Cup "COC")
Union 76: COC
Valvoline: COC
Pennzoil: ASTM D-92 (COC)
Citgo: ASTM D-92 (COC)
Kendall: COC

None of the firms mention ASTM D-93 (Pensky-Martens Closed Cup). The Mobil spec sheet is dated June 2003. All the firms including Mobil use the exact same Flash Point methodology (ASTM D-92/COC), but for some reason Mobil has a substantially lower FP than the rest. The extreme example is an FP of 460F for Chevron/Havoline 5w-20, while MDC lists 392F. All the firms except Mobil and Union 76 list different FPs for their different weights, while Mobil and Union 76 list the same FP for several of their more common weights. This suggests a sloppy generalization of FP by those two firms, rather than posting the actual, measured FP for each weight.
http://www.paclp.com/profile/product/pspi_o.htm

[ October 05, 2004, 03:16 PM: Message edited by: TC ]

TallPaul · Oct 5, 2004

Worse yet, I have found that the flash point listed in the MSDS is usually lower than that listed in the tech data sheets (at least for Valvoline oils I have looked at), but maybe the different methods.

The Oil Expert · Oct 5, 2004

Great post by TC! Good info here! If you do a search on drive clean you will see several people that have had higher oil consumption using this poduct compared to others. There are many better choices in this price range, such as Chevron/Havoline I don't know why anyone would consider this product other than the CHEAP price. If anyone believes that Mobil drive clean in its GF-4 formulation is gonna use group 3 base stocks, I have two beautiful bridges I can sell you in New York really cheap.

Note to TAll PAUL: Despite what you read on this sight the Valvoline Maxlife and Durablend are excellent products you are using, STICK WITH THEM!!!

Audi Junkie · Oct 5, 2004

Consumption was un-Godly with DCO. It made me find God...I mean BitOG.

brianl703 · Oct 5, 2004

quote:

Originally posted by The Oil Expert:
There are many better choices in this price range, such as Chevron/Havoline I don't know why anyone would consider this product other than the CHEAP price.

I use Drive Clean because I know a place (Costco) that keeps pallet loads of it in stock, so I'm not at the mercy of Wal-Mart's "just-in-time" inventory system.

Anyhow, since I did the Auto-RX treatment on the 1996 Ford Contour V6 now with 111,000 miles on it, the current fill of 5w30 Drive Clean had 2800 miles on it and it was still full (maybe down slightly from the full mark by 1/8 quart if that).

Motorbike · Oct 5, 2004

Now I go to the Mobil site and see D-92 " Cleveland Open " geeze Mobil

You caused me to post a post I wish I had not of now

I'm telling ya , I have two places that show 432F and 438F for that oil

I thought I'd post this retract before someone asked me too

Jackpot01 · Oct 5, 2004

Just did my GF's car. I had it in for 3000 miles, it was totally full when I checked it before I drained it. I know she didnt check it. We'll see how its doin when I get back in town next week.

Eric

T-Keith · Oct 5, 2004

My GA never used much Mobil Dino, in fact Motorcraft seemed thinner and disapeared faster.

Motorbike · Oct 5, 2004

Drive Clean did well here under tough conditions and look at the flash point

http://theoildrop.server101.com/cgi/ultimatebb.cgi?ubb=get_topic;f=3;t=001211

There is a 5k sample ran in a 3.8 GM that looked great as well with good TBN at the end .

novadude · Oct 5, 2004

quote:

If anyone believes that Mobil drive clean in its GF-4 formulation is gonna use group 3 base stocks, I have two beautiful bridges I can sell you in New York really cheap.

Why do you say that? I am sure the economics of base stocks are a topic that few here understand. If EM has excess GIII capacity, maybe it is cheaper for them to just use it "across the board", and go cheap on the add pack?

Or, maybe that guy was just blowing sunshine up our respective behinds, and it is a cheap GI?

Blue99 · Oct 5, 2004

quote:

If you do a search on drive clean you will see several people that have had higher oil consumption using this poduct compared to others.

So The Oil Expert, what do you attribute this higher oil consumption to?

Noack volatility is always a key piece of data when discussing volatility.

Thanks to Amsoil, we have some Noack numbers to compare on some major brands:

Amsoil Noack Volatility Test

Mobil DC is the 3rd bar from the right on the chart. Volatility is same as Pennz & Quaker State and better than Valvoline.

Seems to me Drive Clean will post very similar volatility results as many of the SL oils.....

lobo11 · Oct 5, 2004

Although my numbers are different with my homemade noack test, the trend is the same as shown on the Amsoil link. My testing showed the same trend--lowest loss went to:
1. Amsoil
2. NAPA Synthetic (Valvoline)
3. Castrol Syntec
4. Mobil-1

TallPaul · Oct 7, 2004

quote:

Originally posted by The Oil Expert:
Note to TAll PAUL: Despite what you read on this sight the Valvoline Maxlife and Durablend are excellent products you are using, STICK WITH THEM!!!

Agree!

For synthetic, I would go NAPA on sale for $2.69 (this month) or Mobil 1.

Al · Oct 7, 2004

quote:

Originally posted by The Oil Expert:
If anyone believes that Mobil drive clean in its GF-4 formulation is gonna use group 3 base stocks, I have two beautiful bridges I can sell you in New York really cheap.

This is at least the third time you have posted this sentiment.

Guys raggin on Drive Clean Flash Point

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