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My top two are Delvac VS Redline what's better? Also isn't Redline Ester based vs what's Delvac? Thanks

Got 2009 Dodge Ram QQTD 4x4 with AAM 9.5 up front & 11.5 rear differentials with stock covers, pretty sure oem is 75/90 GL5, no LS additive It's time for a differential oil change and could use some info on which oil is best? I tow a 10k load about 3k miles a year....so which of these is best...

Read this: https://bobistheoilguy.com/forums/threads/mobile-delvac-synchromesh-vs-amsoil-mtg-75-90-for-g56.299418/ If you really tow heavy in hot weather I might try the Delvac SAE50/ Amsoil synchro mesh combo again with out the accidental over fill and see if it shifts better because it kept...

Great thread on what fixed your death wobble https://www.cumminsforum.com/threads/post-what-fixed-your-death-wobble.1967665/#post-22830625 If all of your hardware is in good shape, it's your caster.

Best Info on Dodge Death Wobble you'll find According to Don Thuren here are the caster & toe settings to eliminate DW in the heavier Dodge Ram QC 4x4 diesel trucks: Caster: 3.7 to 4.5 degrees POSITIVE. Heavier trucks 3.8 to 4.0 Toe: 0.00-0.05 Degrees (Not inches) You can read more here about...

Zeng, Viscosity is all about the same according to their SDS/MSDS. There all right about 86/14-15 Cst. And I know the MTG was airated severely, as when i came out there where tons of bubbles/foam in it through I hadn't moved the vehicle in at least 3 or 4 days. I had to wipe the foam off the...

Wanted to update this thread. O2SE...You where right! Part of the problem was overfill beyond the acceptable extra, see below. Drained the Amsoil MTG and found out that it was overfilled by about a quart to quart & a half OVER my overfill. So my 7.5 quarts was actually 8.5 to 9 quarts and the...

Well just a follow up, since nobody could provide any good information on additive packages effects I ended up going with Redline Synthetic 75W-90 and it seems to be working but it is a compromise of better shifting performance for less gear protection.

Did you use the newer black bottle for your testing? Hers's the Virgin Blackstone from Carbonite Cummins using the old silver bottle with the blue cap, quite different.

So this is interesting. Someone posted your VOA in my thread about the Mobil Delvac synthetic transmission fluid 50 https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4940313/1 BUT after looking at it in comparison to the Blackstone VOA done on the 5 fluid comparison...

Does someone have a VOA on the Torco RTF? One that might include sulfur PPM content? Since it is GL5/GL6 with "EP Additives" according to it's tech dates sheet, I'm wondering how much Sulfur it has in it?

Here a good article on EP Additives (Sulfur) on copper and Cooper alloys https://www.machinerylubrication.com/Read/28958/ep-additives-effects

Thanks WASP, I'm in SoCal so it's not like it's cold here either

Seems kind of ghost townish here now that I've provided all the information, no answers to the question again. Guess nobody on here knows nothing, must be magic fairy dust like I speculated earlier? How about anyone have a VOC analysis on the Mobil delvac 1 synthetic transmission fluid 40?

Ok so I've got some new information that could use some clarification on. 1) I've read that Sulfur eats copper alloys including brass, AKA sulfur eats brass synchros, id this correct? 2) I was told be a tech at Mobil that Delvac 1 Transmission Fluid 50 has a GL-4 sulfur based EP additive...

Bueler.....Bueler.....Bueler..... After all that nobody has any real fact based information to answer the above questions?

Let's try this again framing the question differently. Here is how the Mobile Delvac Synthetic Transmission Fluid SAE 50, The Blend of 37.5% Synchromesh & 62.5% Delvac 50 (3/5 Blend) stacks up against the Amsoil MTG 75W-90. (I used a weighted average based on the virgin tests provided in this...

YES I think there is a LOT of confusion here: It seems you have your fluids confused as to which fluid acted which way. Refer to the 8th post with the pictures #4924832: Pictures of fluids used I first ran a 3/5 blend of for 25K miles: 62.5% Mobile 1 Delvac Synthetic Transmission SAE 50...

Ok so I called Blackstone and they said their VOC tests are conducted on 1 ML of samples Based on this here how the 3/5 blend stacks up against the Amsoil MTG 75W-90 using a weighted average based on the virgin tests provided in this thread. 3qts (37.5%) Amsoil Synchromesh/ 5qts (67.5%)...

I have an expanded custom side cover that I have a temp prob in so from the side of the case. If you click on the link in the post you quoted above called " Delvac 50 + Amsoil Synchromesh Results" it shows the cover and the temp probe and what the oil looked like upon removal after 25K on the...