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Stanadyne Performance Formula ?? #4678513
02/26/18 10:15 AM
02/26/18 10:15 AM
Joined: Jul 2009
Posts: 65
Colorado
huntsonora Offline OP
huntsonora  Offline OP
Joined: Jul 2009
Posts: 65
Colorado
I have a 1998 Dodge 2500 4x4 with a 12 valve cummins. Usually Iíll run ashless ST 2 stroke oil at about 1/2-1 oz per gallon of diesel.

Yesterday, I was at a farm and ranch store and they had Stanadyne Performance Formula in a 5 gallon pail marked down to $79 so I bought it. [censored], the 1/2 gallon was $30 so it seemed like a bargain

Anybody use this stuff? Any recommendations? Use it by itself or with 2 stroke for added lubricity? Would using them together eliminate any of the advantages of either product?

Re: Stanadyne Performance Formula ?? [Re: huntsonora] #4678526
02/26/18 10:24 AM
02/26/18 10:24 AM
Joined: Sep 2010
Posts: 7,568
SE Texas
2015_PSD Online content
2015_PSD  Online Content
Joined: Sep 2010
Posts: 7,568
SE Texas
I use it regularly in my PSD, but I use it for water in the fuel and lubrication versus any potential performance gains. You did get a very good deal on it and Stanadyne has been on clearance for a while due to a rebranding of the product.

As an aside, I have found no valid information that 2 cycle oil increases lubricity in the slightest. I posted something on this a few months ago, give a quick search and you should be able to find it.


2018 MB AMG GLC43 3.0L Coupe - Castrol 0W-40/Purflux
2018 MB C300 2.0L - M1 0W-40/OEM
2015 F-250 6.7L PS Diesel - Delo 15W-40/CQ Blue
2014 Explorer 3.5L Limited - M1 AFE 0W-20/FU
Re: Stanadyne Performance Formula ?? [Re: 2015_PSD] #4678548
02/26/18 10:59 AM
02/26/18 10:59 AM
Joined: Jul 2009
Posts: 65
Colorado
huntsonora Offline OP
huntsonora  Offline OP
Joined: Jul 2009
Posts: 65
Colorado
Originally Posted By: 2015_PSD

As an aside, I have found no valid information that 2 cycle oil increases lubricity in the slightest. I posted something on this a few months ago, give a quick search and you should be able to find it.


Looked and couldnít find it....

Re: Stanadyne Performance Formula ?? [Re: 2015_PSD] #4678566
02/26/18 11:18 AM
02/26/18 11:18 AM
Joined: Oct 2004
Posts: 7,994
Cincinnati, OH, USA
bullwinkle Online confused
bullwinkle  Online Confused
Joined: Oct 2004
Posts: 7,994
Cincinnati, OH, USA
Originally Posted By: 2015_PSD
I use it regularly in my PSD, but I use it for water in the fuel and lubrication versus any potential performance gains. You did get a very good deal on it and Stanadyne has been on clearance for a while due to a rebranding of the product.

As an aside, I have found no valid information that 2 cycle oil increases lubricity in the slightest. I posted something on this a few months ago, give a quick search and you should be able to find it.
It definitely helped on my '02 Ram's VP44, before it got bad enough & I could shop enough Dodge dealers to get it replaced under 100K engine warranty. My Stanadyne mechanical IPs seem to like an occasional quart in winter, when the ULSD is drier than usual. I don't use it in CR diesels, though, just PS silver bottle.


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: Stanadyne Performance Formula ?? [Re: huntsonora] #4678573
02/26/18 11:21 AM
02/26/18 11:21 AM
Joined: Jun 2004
Posts: 2,330
St. Louis
MONKEYMAN Offline
MONKEYMAN  Offline
Joined: Jun 2004
Posts: 2,330
St. Louis
Used it on my stepfather's '95 Chevy with the 6.5 Turbo diesel. It ate injection pumps. Many replaced under extended warranty. After Performance Formula used religiously, zero injection pump failures. It was worth the price since truck was past extended warranty.


Truth alone triumphs, not untruth.

2017 Elantra SE
Re: Stanadyne Performance Formula ?? [Re: huntsonora] #4678601
02/26/18 11:46 AM
02/26/18 11:46 AM
Joined: Sep 2010
Posts: 7,568
SE Texas
2015_PSD Online content
2015_PSD  Online Content
Joined: Sep 2010
Posts: 7,568
SE Texas
Originally Posted By: huntsonora
Originally Posted By: 2015_PSD
As an aside, I have found no valid information that 2 cycle oil increases lubricity in the slightest. I posted something on this a few months ago, give a quick search and you should be able to find it.
Looked and couldnít find it....
Here is a link to the report that I posted: 2-Stroke Oil In Diesel Ė A Technical Study


2018 MB AMG GLC43 3.0L Coupe - Castrol 0W-40/Purflux
2018 MB C300 2.0L - M1 0W-40/OEM
2015 F-250 6.7L PS Diesel - Delo 15W-40/CQ Blue
2014 Explorer 3.5L Limited - M1 AFE 0W-20/FU
Re: Stanadyne Performance Formula ?? [Re: huntsonora] #4678664
02/26/18 12:49 PM
02/26/18 12:49 PM
Joined: Jul 2009
Posts: 65
Colorado
huntsonora Offline OP
huntsonora  Offline OP
Joined: Jul 2009
Posts: 65
Colorado
Interesting! I know for a fact that it quiets down my old 12 valve. Those 12 valves will run on about anything though.

Regardless, I can buy B20 here close and I could buy 30 gallons at a time in 5 gallon Scepter cans and put 5 gallons in at each fill up and itíll be better than 2stroke and have been considering doing that anyway

Re: Stanadyne Performance Formula ?? [Re: 2015_PSD] #4680858
02/28/18 06:52 PM
02/28/18 06:52 PM
Joined: Jul 2009
Posts: 65
Colorado
huntsonora Offline OP
huntsonora  Offline OP
Joined: Jul 2009
Posts: 65
Colorado
Originally Posted By: 2015_PSD
Originally Posted By: huntsonora
Originally Posted By: 2015_PSD
As an aside, I have found no valid information that 2 cycle oil increases lubricity in the slightest. I posted something on this a few months ago, give a quick search and you should be able to find it.
Looked and couldnít find it....
Here is a link to the report that I posted: 2-Stroke Oil In Diesel Ė A Technical Study


Looked at that study and they were running JASO-FC oil through common rails and not the ashless TCW-3. JASO-FC oils have higher levels of zinc donít they?

Re: Stanadyne Performance Formula ?? [Re: huntsonora] #4681189
03/01/18 04:09 AM
03/01/18 04:09 AM
Joined: Nov 2017
Posts: 243
California
CleverUserName Offline
CleverUserName  Offline
Joined: Nov 2017
Posts: 243
California
Originally Posted By: huntsonora
I have a 1998 Dodge 2500 4x4 with a 12 valve cummins. Usually Iíll run ashless ST 2 stroke oil at about 1/2-1 oz per gallon of diesel.

Yesterday, I was at a farm and ranch store and they had Stanadyne Performance Formula in a 5 gallon pail marked down to $79 so I bought it. [censored], the 1/2 gallon was $30 so it seemed like a bargain

Anybody use this stuff? Any recommendations? Use it by itself or with 2 stroke for added lubricity? Would using them together eliminate any of the advantages of either product?


It may be old stock. The PF has a temperature dependant shelf life, I think they only guarantee the effectiveness for 2-3 years from date of production.

Source: Called stanadayne and asked about age degradation. I was given 1 gallon of the PF by a co-worker for free, it is 8-10 years old but I've been using it with no ill effects.

Re: Stanadyne Performance Formula ?? [Re: huntsonora] #4681390
03/01/18 11:03 AM
03/01/18 11:03 AM
Joined: Sep 2010
Posts: 7,568
SE Texas
2015_PSD Online content
2015_PSD  Online Content
Joined: Sep 2010
Posts: 7,568
SE Texas
Originally Posted By: huntsonora
Looked at that study and they were running JASO-FC oil through common rails and not the ashless TCW-3. JASO-FC oils have higher levels of zinc donít they?
I have not found any evidence in all of my searching that TCW (2-Cycle Oil) improves lubricity in the fuel in a modern diesel engine. I wish it did, 2-Cycle oil is much cheaper than Stanadyne, Diesel Kleen, Howe's, and the like.


2018 MB AMG GLC43 3.0L Coupe - Castrol 0W-40/Purflux
2018 MB C300 2.0L - M1 0W-40/OEM
2015 F-250 6.7L PS Diesel - Delo 15W-40/CQ Blue
2014 Explorer 3.5L Limited - M1 AFE 0W-20/FU
Re: Stanadyne Performance Formula ?? [Re: 2015_PSD] #4681824
03/01/18 09:44 PM
03/01/18 09:44 PM
Joined: Jul 2009
Posts: 65
Colorado
huntsonora Offline OP
huntsonora  Offline OP
Joined: Jul 2009
Posts: 65
Colorado
Originally Posted By: 2015_PSD
Originally Posted By: huntsonora
Looked at that study and they were running JASO-FC oil through common rails and not the ashless TCW-3. JASO-FC oils have higher levels of zinc donít they?
I have not found any evidence in all of my searching that TCW (2-Cycle Oil) improves lubricity in the fuel in a modern diesel engine. I wish it did, 2-Cycle oil is much cheaper than Stanadyne, Diesel Kleen, Howe's, and the like.


But the 2 stroke used in the study wasnít the TCW-3 that is recommended. I can tell you for a fact that my 12 valve is quieter and smoother when it has the TCW-3 added to the fuel

Re: Stanadyne Performance Formula ?? [Re: huntsonora] #4681842
03/01/18 10:32 PM
03/01/18 10:32 PM
Joined: Nov 2013
Posts: 3,212
Kentucky
Ramblejam Offline
Ramblejam  Offline
Joined: Nov 2013
Posts: 3,212
Kentucky
Originally Posted By: huntsonora
I can tell you for a fact that my 12 valve is quieter and smoother when it has the TCW-3 added to the fuel

Looked at a few TC-W3 oils; anywhere from 30 - 50 cSt @ 40įC
Per Chevron, ULSD is 2.6 cSt @ 40įC

Makes sense that when adding a exponentially more viscous component to the base fuel you're seeing quieter operation.

https://www.chevron.com/-/media/chevron/operations/documents/diesel-fuel-tech-review.pdf

Re: Stanadyne Performance Formula ?? [Re: huntsonora] #4681973
03/02/18 06:51 AM
03/02/18 06:51 AM
Joined: Sep 2010
Posts: 7,568
SE Texas
2015_PSD Online content
2015_PSD  Online Content
Joined: Sep 2010
Posts: 7,568
SE Texas
Originally Posted By: huntsonora
Originally Posted By: 2015_PSD
Originally Posted By: huntsonora
Looked at that study and they were running JASO-FC oil through common rails and not the ashless TCW-3. JASO-FC oils have higher levels of zinc donít they?
I have not found any evidence in all of my searching that TCW (2-Cycle Oil) improves lubricity in the fuel in a modern diesel engine. I wish it did, 2-Cycle oil is much cheaper than Stanadyne, Diesel Kleen, Howe's, and the like.
But the 2 stroke used in the study wasnít the TCW-3 that is recommended. I can tell you for a fact that my 12 valve is quieter and smoother when it has the TCW-3 added to the fuel
I understand, but I am saying I have not found any evidence that any form of two stroke oil increases lubricity in diesel fuel. If you have found some, please share--it would be great to use that instead of the other additives, although lubricity is only part of it, I also want to control water in the fuel.


2018 MB AMG GLC43 3.0L Coupe - Castrol 0W-40/Purflux
2018 MB C300 2.0L - M1 0W-40/OEM
2015 F-250 6.7L PS Diesel - Delo 15W-40/CQ Blue
2014 Explorer 3.5L Limited - M1 AFE 0W-20/FU
Re: Stanadyne Performance Formula ?? [Re: huntsonora] #4691887
03/11/18 08:23 PM
03/11/18 08:23 PM
Joined: Sep 2007
Posts: 969
TX, USA
JMJNet Offline
JMJNet  Offline
Joined: Sep 2007
Posts: 969
TX, USA
OP's truck is a 1998 which I don't think it is categorized as the modern diesel.
So, any diesel additive including 2 cycle oil is probably good.

I have a 95 6.5L Turbo Diesel and I used the 2 cycle mix with diesel additive with good results.
Now, the results are not scientific but I had the diesel for more than 12 years now and the IP is still good.


  • 2017 Toyota Sienna
  • 1995 GMC Suburban 6.5L Turbo Diesel


Re: Stanadyne Performance Formula ?? [Re: huntsonora] #4693146
03/13/18 07:06 AM
03/13/18 07:06 AM
Joined: May 2008
Posts: 2,023
SoCal
UG_Passat Offline
UG_Passat  Offline
Joined: May 2008
Posts: 2,023
SoCal
The Stanadyne stuff is good enough that when VW released a TSB around 2004 about fuel gelling in the winter, that was the approved product sold at VW dealerships.

Stanadyne is a demulsifier, so it will cause the water in the fuel to separate, hoping that it happens at the fuel filter (where it could be drained), but, usually occurs in the fuel tank instead.

Of course, I couldn't pay for marked up items, so I just used PowerService Diesel Fuel Supplement, which is a lot less expensive at that time for me. PowerService is a solubilizer, where the water is mixed into the diesel.


2016 VW Tiguan|APR Stage 1|Neuspeed P-Flo|Osram CBI|Redline 5w30

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