Originally posted by JohnE
John T of the NWBombers has posted many many times of his trials and treibelations with synthetic oils. He too switched from AMSOIL 5W-30 back to 15W-40 due to the <em>misting</em> from the vent tube.
"treibelations", that was a good one JohnE. :-laf:-laf:-laf:-laf
I just noticed this thread. Frankly, after the first page I just about gave up wanting to read anymore! I'm sorry but, the constant badgering by DonM on
EVERY oil related thread has me looking elsewhere! I don't really care if he's slamming Amsoil (even though I'm a
"dealer"), I only started using it because Red Line 15W-40 synthetic was not providing me with the kind of oil analysis results I thought I should have received with an oil costing as much as it did. I have been using the very best in quality synthetics for over 20 years now, many of the names DonM has probably never even heard of... and I also don't give a RA what he uses in his Ram... if you don't like synthetics, don't use them! I also know that Amsoil's Diesel synthetic engine lubricants are not approved by the API... again, I don't really care. I have also seen many products that were not UL approved... all excellent products
(by small companies), but the manufacturers did not want to jump through all the UL hoops and associated co$t$, only to find the product would have to be retested and reapproved by UL (again at great co$t to the manufacturer) for the sake of being able to enhance a product. Also, I would suspect that everyone concerned with API's approval/blessing in their oil selection would also not have modified their Cummins TD engine until after their 100k warranty expired.
I have undisputed proof in the form of oil analysis results (from a neutral party analyzer) that both Amsoil 15W-40 HDD&M and 5W-30 HDD work extremely well. BTW, there were many on this BB that felt the K&N air filters were garbage too..... all I can say is I have received
excellent silicon numbers in
all my analysis reports. I have used K&N air filters for many, many years, understand how to properly clean and oil them and have never experienced any problems with them. That said, I still have two new Amsoil air filters in my garage so I'll probably install one of them when I install my trick new Air Bulldog intake components.
In several previous oil related threads I stated I had switched back
to Amsoil 15W-40 Heavy-Duty Diesel & Marine from their 5W-30 HDD synthetic. The reason was twofold; first, since I personally like changing my oil at 10k intervals (changing the full flow and bypass filters at the same time), in conjunction with the reduced blowby evident from the oil draft tube (when the engine has been warmed to operating temperature), I found it was actually a few dollars cheaper (at Amsoil dealer prices) to go with this oil change interval as opposed to using a 20k interval using 5W-30 HDD with a full flow filter change at 10K, changing the full and bypass filters at 20k. Of course, samples were always taken and submitted to Blackstone Laboratories at all filter and/or oil change intervals.
To reiterate on the subject of misting from my blowby tube while using Amsoil 5W-30 HDD, the misting wasn't really all that bad... I would rather not see it however, after crunching numbers, I found the 15W-40 HDD&M to be
my best choice, solving two minor problems quite effectively.
DonM :-{} anybody else wanting to have a civil discussion on the topic of lubricants
