Only (2) choices in synthetic 15W40?

[dmax_ty]

I use the Baldwin oil filters. Usually can get twelve for ~100 bones. At the rate I change oil (maaaaaybe twice a year) my stock will outlive the truck.

 

[496 BB]

Alright so just finished up this debacle. Got Shaeffers 7000 15w40 in engine with Mobil 1 filter and Amsoil Severe Gear 75w90 in rear end. Will see how it does. Thanks for all the great info.

Man its amazing how foul diesel oil smells compared to gasoline oil. STINKS both the old and the new. I assume thats how it goes for a diesel right? Lol.

Are the spin on allison filters same as they have always been? Just ask for an Allison 1000 external spin on filter? What fluid to top off?

Sorry for all the questions. I didnt get the diesel supplement book with the truck.

 

[Awenta]

I'm with ferm. I run 5-40 year round even towing in the summer. And it's much nicer in the winter.

And Delco filters for me

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[LBZ]

I didn't even think you could get 15w-40 synthetic anymore. Everyone round these parts runs 5w-40 syn.

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[Burn Down]

So run wetf you want?:rofl:

 

[Dozerboy]

Yes all the Trans filters are the same.

I'm guessing you have dex6 in your trans

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[coldLBZ]

I didn't even think you could get 15w-40 synthetic anymore. Everyone round these parts runs 5w-40 syn.

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I've always used 15w40 syn, when I still drove my truck But you can still get it.

 

[496 BB]

Its suuuuper hard to find it. As for FULL synthetic I cant find anyone other than Rotella and the Amsoil cult making one in 15w40.

 

[496 BB]

Ok now I know what u mean with typewriter tick. Wth is it from?

 

[DefiantArms]

Idk mines always done it and I just went full syn 5w40 and can't hear it anymore. Forgot about it until you just said that.

 

[496 BB]

Does it go away after few hundred miles or always stays. If so Im switching back to 5w40. $90 wasted.

 

[Awenta]

Does it go away after few hundred miles or always stays. If so Im switching back to 5w40. $90 wasted.

Sometimes it goes away. Other times it doesn't. Won't harm anything. Might as well use this oil up, no point in wasting it.

5/40 may or may not get rid of it. Different engines prefer different oils. Some people have ticks with Rotella some don't. Some have it with delvac some don't.

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[THEFERMANATOR]

Nobody knows exactly what causes it. The theory is micro air bubbles passing through the engine make a popping sound as they go through the bearings and as the pressure releases, the bubbles pop, and thus the tick from the bubbles popping. It isn't just the DURAMAX that does it as CUMMINS has problems with it, and the newer POWERSTROKES also do it. It's believed the the noise was always there, it just wasn't audible over the diesel sound of the engine. As engines have gotten quieter, we can now hear these other noises. I know mine does it with MOBIL 1 5W40, and 15W40 oils, but it doesn't do it at all with ROTELLA T6 5W40. Some say it goes away after the oil gets some miles on it, and others say it can start after the oil gets some miles on it. It varies from engine to engine, and doesn't hurt a thing, just annoying is all.

http://www.hotshotsecret.com/diagno...vice-bulletins/2001-2015-duramax-ticking-tsb/