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Thanks guys. I'll have to look at the label again I may have miss read the CH-4. Unless I some how found some new older stock somehow. I didnt switched from Delo400 to Delvac until 2009 IIRC. I won't be sending the oil off to you Chis for disposal I think I can handle that. Thanks for the kind...

So I was digging in my shop and found 2gal of CH-4 and 3gal of CI-4 Delvac 1300 oil. Obviously it's been sitting there a while, but not more then 7years I don't think. Is the additives and detergents still good? I'll be using it in my 2006 Duramax that doesn't see much use. I think I was mixing...

PS doesn't have much of much of an open bottle shelf life I bet. I will contact the others and see what I turn up. Anymore sugestions?

Im looking for an oil that I can put in a CP3(high pressure diesel fuel pump)during storage. I replaced my CP3 with a bigger one, but would like to hold on to my stock one. The shop that built my pump stores their pumps with CB fluid in them, but it cost $40+ a gal. Im not all that worried about...

How offend to lab error really happen? I have seen this suggested before several times.

The other UOA where Delo400 15-40

This is my 3rd UOA on this CI the UOA on 7-18-09 was the first.

I didn't intend to go this long without a UOA, but... I haven't done anything to cause the copper to shoot up that I can think of. I had a small amount of sludge in my bypass filter canister. The oil looks good to me, but maybe 25K is to long on RTS. Thoughts? Link to my last UOA @ 16.5K the...

Thanks Ya the 2 qts is thanks to the PCV sucking it out. I just added a 3rd qt after this UOA came back good. Here is a pic of the current and old reports from blackstone.

Oops sorry about that but an update on the filter. I'm at 69K now on the stock filter. Before changing out the filter I did the PPE mod to the intake on the 06+ trucks. It dropped the restriction gauge from 50% to 0. It looks like its starting to come off 0 now so it will be getting changed in a...

I'm surprised there isn't more fuel in. Been making mostly short trips and have added a bit of fuel(tuning) to the truck. Thread from old sample Shell Rotella T 5W/40 (Syn) 2qt make up oil 16,500 Miles on the oil FS 2500 filter Ci-4 and Cj-4 mix We suggested 13K to 14K-miles for this oil...

Yes that is the OEM filter that was on the truck when I bought it new. It starting to get kind of restrictive so I'll be changing it soon. Unfortunately I got cheap and didn't buy as good of a filter as the stock one.

You mean make up oil right? Yes I added 1 qt ~6K ago IIRC.

Here is my Used oil Analysis 11,500 miles on Rotella T syn 5-40 62K on the truck with the FS2500 bypass filter. The other UOAs in the pic where using Delo 400 15-40 not much of a change going to run RTS until 14K and do another UOA. I'm happy to see the Silicon down some I'm sure having 62K on...

You really think so with single digit wear #s on a dino with 10K on it? I haven't seen any posts to back that up, but the search function leaves a lot to be desired here. Its cheaper for me to to run a FS on dino for 12K then Amsoil or Delvac for the same with the stock Full Flow. I even had...

Originally Posted By: wcbcruzer Did you take the oil sample from the FS2500 outlet? Yes Originally Posted By: ZZman That is a great report. With Syn I am sure 12,000-15,000 miles would be possible. But with such good reports with this oil why bother switching? How many qts does that take...

At Auto Zone I got RTS for $17, but the price was miss labeled it should of been $19. At WW its still $22 last I saw. I need to get some more CI4 if they are releasing the CJ4.

From looking at my UOA can I tell if I can extend the change intervals? If so what do I keep an eye on the Insolubles? I have always had my FS on my truck and never changed it without changing the oil even on the 15K UOA. Now I'm switching to SYN. oil and plan to extend my change intervals more...

I was surprised at the results, in the past my thinking was something is better then nothing...that's not even close.

IIRC it is in the Dmax too its from GMs oil cooler the copper that is.