Can I use redline 75w140 for limited slip if I don’t have LSD

[APPsBeast]

I don’t see any other choice. Thanks I’m advance for the advise

 

[kurek]

Yep, no problem.

The LSD diffs have all the same bearings and gears as the non-LSD ones so if it was going to cause a problem in the open ones it would cause the same problem in limited slip ones.

 

[APPsBeast]

Yep, no problem.

The LSD diffs have all the same bearings and gears as the non-LSD ones so if it was going to cause a problem in the open ones it would cause the same problem in limited slip ones.

Thanks! Do you know what mileage is recommended when changed rear diff? Also should I do front diff and transfer case as well at the same time? I never tow I do 250-500 payload sometimes more in rare instances frequently

 

[ram1500rsm]

Yes. you'll be paying a little more for the fluid that's all.

 

[Burla]

So there are two redline standard 75w140's, you cannot use them both. There may be other redlines as well, probably dont want them either. You want 75w140 yellow label only, the rest is for race applications.

75w140

75w140ns

You CANNOT use the one with the NS in the product. Use the first one, as you see it carries most modern oem specs. Do you want to explain why you first post says you have no choice? Brand or weight is the issue? You do want 75w140 in the rear.

 

[ram1500rsm]

Burla, the NS doesn't have FM in it. Why he CANNOT use that if he doesn't have a limited slip ?

 

[Burla]

Burla, the NS doesn't have FM in it. Why he CANNOT use that if he doesn't have a limited slip ?

You are right, that is what I get for not reading the last three words of title

Actually title is confusing either way, but info would be the same.

However, even if you don't have lsd which I assume means you have open diff, still all gear oils spec general use oil for open diffs as well. Technically, you can probably use a non FM oil for an open diff, but I'm not 100% on what clutches may be in there and since literally every single gear oil specs their oil for diffs despite having FM in there, I just roll with that. I'd email Dave from redline and ask him why redline doesn't spec their NS formula for open diifs if I really wanted to use it. As you see it is spec;d for a very few old vehicles.

 

[ram1500rsm]

You are right, that is what I get for not reading the last three words of title

Actually title is confusing either way, but info would be the same.

However, even if you don't have lsd which I assume means you have open diff, still all gear oils spec general use oil for open diffs as well. Technically, you can probably use a non FM oil for an open diff, but I'm not 100% on what clutches may be in there and since literally every single gear oil specs their oil for diffs despite having FM in there, I just roll with that. I'd email Dave from redline and ask him why redline doesn't spec their NS formula for open diifs if I really wanted to use it. As you see it is spec;d for a very few old vehicles.

I'd think NS Should be fine for any open diffs. I'd think you'll want this NS stuff on specific applications where FM will produce issues , ex Eaton Trutrac, Eaton e-locker etc. You don't want any FM in such applications so the NS comes handy. Torco RGO also makes a fluid that is FM free https://torcousa.com/products/rgo-racing-gear-oil

Also any of the cheap diff fluids should not have FM in it. (Always verify with the manufacturer just in case) I used to have a list somewhere back when i had my Jeep Wrangler with Eaton elocker rear and truetrac front with all the stuff you can find at Autozone,Oreallys etc that doesn't have FM. I'll see if i can dig it up.

 

[joelmic]

You might wanna post your VIN over at All Mopar Parts forum... I was gonna buy the same fluid but my truck called for 90, not 140