Joe Gibbs DT40 shelf life?

[Col386]

Without starting another oil thread, I was wondering if anyone knows the shelf life of DT40. I've looked at the Joe Gibbs web site & read the spec sheets to no avail.

 

Here in Perth Australia this product is hard to get & has a very slow turnover & could possibly be over 12 months old when you buy it. On the other hand a product like Motul 8100 excess is more common. Personally I'd like to use the DT40 over the Motul, but if it's 12 months older than the Motul, is it still worth using? (2004 986 Boxster S)

[White987S]

Joe Gibbs (oil chemist guru is a guy name Lake) has been working on this oil with Jake Raby (Flat Six Innovations) many years. They are on their 5th or 6th revision of this oil now. The most recent is in yet again another new bottle design. Visit the 986Forum.com for a recent discussion.

 

An oil bottle is not impenetrable. It's probably HDPE (high density poly ethylene). Good moisture, air, and light protection. The shelf life on Mobil is like 5 years for unopened containers. I'd expect the same from the Driven (JG product).

 

https://mobiloil.com/en/search?q=shelf%20life

 

That said, I rather use the Motul 8100 ExCess 5W40 oil over the DT40. It's every bit as good, or better than JG. Porsche approved. JG is not, if that matters to you. And better than Mobil 0W40 for sure. Not cheap. Sounds easier for you to obtain, and may be "fresher". If you can get Mobil 5W50 in your part of the world, use it or the Motul. Change every year or every 5-7,000 miles.

Edited May 15, 2015 by White987S

[JFP in PA]

Without starting another oil thread, I was wondering if anyone knows the shelf life of DT40. I've looked at the Joe Gibbs web site & read the spec sheets to no avail.

 

Here in Perth Australia this product is hard to get & has a very slow turnover & could possibly be over 12 months old when you buy it. On the other hand a product like Motul 8100 excess is more common. Personally I'd like to use the DT40 over the Motul, but if it's 12 months older than the Motul, is it still worth using? (2004 986 Boxster S)

 

Most full synthetics have a published shelf life between 3 and 5 years, which is dictated by the type of additive packages employed.  I would suggest you contact Gibbs racing for their storage recommendations and shelf life specs.

[Col386]

Thanks for the replies, the reason I am looking for the DT40 is because I've just done the LN IMS retrofit & they recommend the Joe Gibbs.

Last 2 changes I've used the Motul.

[White987S]

Thanks for the replies, the reason I am looking for the DT40 is because I've just done the LN IMS retrofit & they recommend the Joe Gibbs.

Last 2 changes I've used the Motul.

I'm sure they do. They have a vested interest in DT40's success. Stay with the Motul. It's an EXCELLENT Porsche approved oil. Prior to carrying DT40, L&N's highest recommended oil was Motul's 5W40 Excess. FYI.

 

Lastly, if you decide to switch to the DT40, Jake Raby recommends a "flush" process with another Joe Gibbs product prior to the DT40. I forget which product, but it might be the BR30 or BR40 product. Do your research first. I think they want you to run the flush oil a few hundred miles, drain it, and then re-fill with the DT40. The reasoning here is that DT40's additive package fights with many other additive packages out there, and the full effect is not realized until the flush is done.

 

Another reason to stay with your current Motul.

Edited May 18, 2015 by White987S

[JFP in PA]

Thanks for the replies, the reason I am looking for the DT40 is because I've just done the LN IMS retrofit & they recommend the Joe Gibbs.

Last 2 changes I've used the Motul.

 

While there are  many fine oils on the market, you will be fine with the DT40, it is the only oil on the market that was specifically developed around the M96/97 engine platforms.

[mikefocke]

Was there ever any Porsche specific testing results published for the DT40 that would support its use? I know Jake requires it but I'm looking for evidence of its superiority. Also information under what conditions it is superior.

[JFP in PA]

Was there ever any Porsche specific testing results published for the DT40 that would support its use? I know Jake requires it but I'm looking for evidence of its superiority. Also information under what conditions it is superior.

 

Not that I'm aware of; we go off UOA's from customer's cars, and they look very good, particularly its ability to stay in grade and retain a high level of ZDDP over miles.  We have also had good feed back from customer's concerning quieter starts with the second generation of the DT40 on cars that had been noisy on other oils.

 

I do know from other postings that Jake and his crew put a lot of time and effort into its development and subsequent improvement.