[T3] ZDDP options

[B Fye]

Don't believe Engle?  They sell performance cams based on word of mouth and have been at it long enough to have been ferreted out if the product sucked.  There is a reason I run their cams.  

Brian Fye

> On Jan 15, 2014, at 9:57 PM, Adriel Rowley <adriel_rowley at hotmail.com> wrote:
> 
> -------------------------
> 
> 1971 Sunroof Squareback with F.I. - Located in Coastal San Diego County
> 1985 Mercedes-Benz 300TD-T - Dog Wgn
> Master's Student, A.S.U., living in north central Mesa, AZ
> 
> 
> ----------------------------------------
>> From: dlstiefel at dekalbk12.org
>> To: type3 at vwtype3.org
>> Date: Wed, 15 Jan 2014 13:03:11 -0600
>> Subject: Re: [T3] ZDDP options
>> 
>> 
>>> On 15 Jan 2014 at 9:55, B Fye wrote:
>>> 
>>> I'm going to get some resistance for this... But I have talked with
>>> the folks at Engle Cams about it. After your cam and lifters are
>>> seasoned and broken in, additive is no longer needed. After the first
>>> (non break in) oil change, I run the cheapest non synthetic on the
>>> shelf.
>> 
>> I'm gonna step in and agree with this. There's a lot to be said for doing a
>> good break-in, but after that I just use a decent oil. What I've been buying
>> lately is a 15W-40 house brand Diesel oil that comes in 2 gallon jugs. If
>> you read the small print on the back, it's also labeled for SJ use, so it's
>> not the latest S rated oil, but that's probably a good thing. The latest S
>> grade oils have reduced (or eliminated (I don't know which) some of the
>> additives for the sake of the catylitic converters. Since we don't have
>> those, the earlier oils are actually better for us.
>> 
>> --
>> *******************************
>> Jim Adney, jadney at vwtype3.org
>> Madison, Wisconsin, USA
>> *******************************
>> 
>> _______________________________________________
>> Yes I've heard that Bryan. Jim I have heard that about with Diesel oil and
>> catalytic converters too. What I don't understand is a lot of diesels have
>> had cats on them for years. When I worked on school buses we had some as
>> old as 97s with cats on them. They had a Ford B-700 chassis with a 5.9
>> Cummins engine. The cat was built in the mufflers and we had to replace one
>> of them and it was a $2300 muffler. That's how I remember that. So how is
>> the additives in the diesel oils like Rotella and Delo not harming these set
>> ups in the later model Diesel? Guess it is not important as far as our
>> cars are concerned. Maybe the cats are different in these than the gas.
>> Also they have been putting cats on cars here in the US since 1975 and it
>> took them that long to figure out this stuff damages the cat?
>> 
>> Dennis
> I have tried explaining this in the past, but seems it didn't get through...
> 
> Diesels have had exhaust treatment since 1985, which of course started in
> Comufornia. An example of this is my 1985 300TD-T California version which 
> had a early design of soot filter called a trap oxidizer, but now has a 
> catalytic oxidizer which doesn't have near the issues and robs tad less 
> performance. Basically it is a can with honeycomb of material that either 
> scrubbed (trap) or oxidizes.I actually am one of only a handful that prefers 
> having this, as the rest convert to an exhaust without. I actually based my 
> purchase decision on her having this, as care about our environment.
> 
> Side note: In about 1987, Mercedes started having trap oxidizers ceramic 
> innards breaking apart with most causing turbo damage. This led to a recall
> that was supposed to replace the entire exhaust system, including either a 
> strait pipe or oxidizer, and the turbo if it showed damage. Dealers being what 
> they are took advantage of the  wording and many just dumped the shards out of 
> the turbo and then when the turbo finally gave out, had the owner pay for the 
> replacement, including for labor that had been already done! Nice, huh? So
> not everything the E.P.A. demands (while trouncing liberty) works... 
> 
> These anti-soot devices have now gotten to the point they are so fine of a 
> soot filter the metals and sulfur is plugging them up, so Z.D.D.P. has been 
> drastically cut back. I.I.R.C., the urea doesn't work properly either, which 
> is the second option for reducing soot levels.  so CI+4 and CJ is the current 
> meeting this demand. So, diesel oil will not have the 1970's levels of Z.D.D.P. 
> as this current specification, which was the first change since the 
> aforementioned circa. Eventually, diesel oil will go the way of gasser oil. ;(
> 
> I wouldn't believe Engle too much as if their camshaft wears out sooner, 
> then one would have to replace it sooner, were as the oil companies be glad
> to put less additives in and charge the same price. Now if I saw an 
> independent study, most defiantly would reconsider. In this society, got to
> follow the money!  
> 
> In the end, all both sides have been able to show is conjecture. But, with 
> engines running 500,000 plus, I am not going to risk it!
> 
> 
> Thank you so very much!
> Adriel                         
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