Dodge Cummins Diesel Forum

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-   -   Do you have to add oil between changes? (https://www.cumminsforum.com/forum/4th-gen-powertrain/349293-do-you-have-add-oil-between-changes.html)

cowboy3008 12-21-2010 11:14 AM

Do you have to add oil between changes?
 
Just curious if the new trucks use any oil between changes.
My last Chevy was a new 8.1 gas and it burned oil from day one.

Tom Diesel 12-21-2010 11:19 AM

You'll probably find that your new truck will "make oil". Do some reading on the topic in the 6.7 section you'll find some good info about fuel dilution.

jr4racing56 12-21-2010 12:28 PM

Quote:

Originally Posted by cowboy3008 (Post 3652641)
Just curious if the new trucks use any oil between changes.
My last Chevy was a new 8.1 gas and it burned oil from day one.

thats funny, i have a 2001 2500hd with the vortec 8.1 and it always has used oil!! its got a little over 204,xxx mi. and its still a strong runnin truck!!

and the guy is right about seeing your oil level creep up the dipstick.... youll get some fuel over in the oil between changes.... i monitor my oil levels from time to time.

roo 12-21-2010 12:47 PM

H&S and problem solved...no more oil rise, fuel dilution, soot in your very expensive motor and better MPG's :party018: :party018: :party018:

I KNOW and Maybe No More Warranty..but it is well worth it IMO :thumbsup:

kwhite 12-21-2010 12:49 PM

Quote:

Originally Posted by roo (Post 3652915)
H&S and problem solved...no more oil rise, fuel dilution, soot in your very expensive motor and better MPG's :party018: :party018: :party018:

I KNOW and Maybe No More Warranty..but it is well worth it IMO :thumbsup:

X2! :party018:

cowboy3008 12-21-2010 12:54 PM

Quote:

Originally Posted by jr4racing56 (Post 3652868)
thats funny, i have a 2001 2500hd with the vortec 8.1 and it always has used oil!! its got a little over 204,xxx mi. and its still a strong runnin truck!!

and the guy is right about seeing your oil level creep up the dipstick.... youll get some fuel over in the oil between changes.... i monitor my oil levels from time to time.

You know, I LOVED my 8.1.
Honestly, if GM would still put it in a one ton, I would have bought one in a heartbeat.
I sell mine off at 100K, so the added expense of the diesel doesn't really pay for me.
That being said, my new truck is definitely a lot nicer than my last!

jr4racing56 12-21-2010 01:07 PM

Quote:

Originally Posted by cowboy3008 (Post 3652935)
You know, I LOVED my 8.1.
Honestly, if GM would still put it in a one ton, I would have bought one in a heartbeat.
I sell mine off at 100K, so the added expense of the diesel doesn't really pay for me.
That being said, my new truck is definitely a lot nicer than my last!

we use our 8.1 as a runner truck and around the warehouse a ton! the thing really is great. ONLY problem out of it at 200k is the exahust manifold is leaking but you can only hear it when u start it! other than that the 8.1 is one of my favorite gasser engines!! not really that bad on fuel econ either!

i came from d-max to my current cummins... gotta say i am not looking back!

cowboy3008 12-21-2010 01:32 PM

Quote:

Originally Posted by jr4racing56 (Post 3652971)
we use our 8.1 as a runner truck and around the warehouse a ton! the thing really is great. ONLY problem out of it at 200k is the exahust manifold is leaking but you can only hear it when u start it! other than that the 8.1 is one of my favorite gasser engines!! not really that bad on fuel econ either!

i came from d-max to my current cummins... gotta say i am not looking back!

Mine was a dually with the 6 speed manual, 4.10's. On the highway empty, that 8.1 would get 14 MPG hand calculated.
My new cummins with a 6 speed manual and 3.42's only gets me 16.
I'm in the show horse business and it still amazes me that all these people wouldn't buy the big blocks over the years, because until you hit 100K, the gasser is a much better buy. And actually, with diesel being so expensive now, it might even be better up to 125K+.

jr4racing56 12-21-2010 01:37 PM

Quote:

Originally Posted by cowboy3008 (Post 3653029)
Mine was a dually with the 6 speed manual, 4.10's. On the highway empty, that 8.1 would get 14 MPG hand calculated.
My new cummins with a 6 speed manual and 3.42's only gets me 16.
I'm in the show horse business and it still amazes me that all these people wouldn't buy the big blocks over the years, because until you hit 100K, the gasser is a much better buy. And actually, with diesel being so expensive now, it might even be better up to 125K+.

oh yeah... it takes a long time to make up that money from buying a diesel! my 3500 drw cummins is on the average getting only 13.5 mpg. that 8.1 does that easy!

But hey i wanted a diesel So i paid for it!

Not going to put any of the Yahoos who work for me in a diesel pickup to drive thats for sure!! haha I really hate that GM doesnt have the 8.1 anymore theese 6.0 we have now arent near the 8.1 and get the same fuel economy for the most part! :banghead: oh well!


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