Just got reemed by my dad for wanting to switch to Rotella T6... - Page 2 - JeepForum.com
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Unread 03-13-2012, 01:07 AM   #16
DezertXj88
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Running Rotella 5w40 here. I used to run Delo 15w40, but switched to rotella 5w40 because I visit the cummins forum often!
They send in samples quite often I guess and Rotella always came out on top of Delo. Amsoil is the only oil they are saying is better. Then run their Rotella to 8k so I'm sure the 5K changes in my jeep will be fine.
I also run a HUGE oil filter!

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Unread 03-13-2012, 01:07 AM   #17
Flyordie
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I think I will run it then. Its $20/gallon here and cheaper than the $32.99 I would be paying for Mobil 1 High Mileage.

I just run WIX Premium. Its a small filter but everyone I talk to swears that WIX is the best.
This is what I run.
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Unread 03-13-2012, 01:26 AM   #18
donthelegend
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I run a Wix 51515 filter, and again from reading over on BITOG, it tends to be the #1 or #2 recommended filter. On newer XJs, the Wix 51515 is a direct fit, and its just longer, which means more surface area, which is A Good Thing. Not sure about the older jeeps, I think the oil filter adapter threads are a different pitch which means you have different options... I would think you could find something similar though that has the same OD, but is just longer, since the oil filter runs parallel to the block it should fit, right?

FWIW, I get it from wally world for $20 a gallon around here too. Wix 51515 filter runs 5-6 bucks. 35 bucks for a full syn oil change is tough to beat.
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Unread 03-13-2012, 02:26 AM   #19
Flyordie
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Originally Posted by donthelegend View Post
I run a Wix 51515 filter, and again from reading over on BITOG, it tends to be the #1 or #2 recommended filter. On newer XJs, the Wix 51515 is a direct fit, and its just longer, which means more surface area, which is A Good Thing. Not sure about the older jeeps, I think the oil filter adapter threads are a different pitch which means you have different options... I would think you could find something similar though that has the same OD, but is just longer, since the oil filter runs parallel to the block it should fit, right?

FWIW, I get it from wally world for $20 a gallon around here too. Wix 51515 filter runs 5-6 bucks. 35 bucks for a full syn oil change is tough to beat.
idk, I have an I4. Its filter screws right onto the block, no adapter needed. :-\
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Unread 03-13-2012, 02:18 PM   #20
Jeff9
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I run T6 as well. If you're really that concerned about the weight they make T5 (a semi-synthetic) in 10w-30. I don't know how much ZDDP it has in it, but I would assume it has a decent amount.
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Unread 03-13-2012, 03:59 PM   #21
Billet
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Not to start trouble, but I had to show my dad a few things before he started asking me whats wrong with something.
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Oh! Dude, You Broke It. http://www.jeepforum.com/forum/showthread.php?t=679542 awesome fluid chart,
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Unread 03-13-2012, 04:15 PM   #22
Tom95YJ
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Your 22 years old according to your profile, I assume it is your Jeep run what you want to use .
If your dad doesn't like it move out Seriously your arguing about oil and bringing it online what's next dating advise !
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Unread 03-15-2012, 02:14 AM   #23
DezertXj88
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Originally Posted by Tom95YJ View Post
what's next dating advise !

Well you see theres this girl.....








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Unread 03-15-2012, 01:52 PM   #24
PR1AWRet
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....well, that's the real reason I'm here.

All kidding aside, I try to keep up with technology, but I still learn a thing or two from my son.
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Unread 03-15-2012, 02:44 PM   #25
DezertXj88
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Originally Posted by PR1AWRet View Post
....well, that's the real reason I'm here.

All kidding aside, I try to keep up with technology, but I still learn a thing or two from my son.

Your flyordies dad? If you want google search Rotella vs Delo..
On the cummins forum those guys send in oil samples after 5-8k, and the Rotellas always up top.
I run bosch or mobil 1 oil filters..forget the part number, but they are HUGE..bearly fit. Luckily mines renix and my oil filter points out towards the fender, vs the HO's they point backwards.
But I change around 4500 miles and the oils still golden colored! I used to run Delo 15W40, but switched after I saw the oil reviews done on the cummins forum. Rotella 5W40 was always better.

Both are about 12 bucks cheaper than Mobil 1. I think I pay like 28 bucks for 6 quarts. While mobil 1 was costing me over 40 for 6 quarts.
Mobil1 used to get dark..not black but not golden..kind of inbetween, by 4500 miles, the Delo & Rotella still look new at the same 4500 miles. I've been a very happy camper since the switch!
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Unread 03-18-2012, 09:59 AM   #26
PR1AWRet
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Nope, no relation to him/her that I know of.
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Unread 03-18-2012, 10:13 AM   #27
BlueBadger
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A

Last edited by BlueBadger; 03-18-2012 at 10:29 AM..
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Unread 03-18-2012, 10:25 AM   #28
BlueBadger
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I've got A '92XJ with just over 300k on it. For the last 200k. It's used nothing but Rotella T15w-40. That's the only oil I run in any of my jeeps or trucks. And I don't even own a diesel. Lol my best friend has a 2007 turbo'd busa making over 400whp he uses for land speed racing. Do to the amount of blow by it makes the oil gets dirty as a diesels just as quick. And do to the very hi zinc and sulfur content of the diesel oil. Rotella T15w-40 is the only thing he runs in that monster!!!! Go with the diesel oil and then go 400k miles.
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Unread 03-18-2012, 10:52 AM   #29
N8N
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Quote:
Originally Posted by DezertXj88 View Post
Your flyordies dad? If you want google search Rotella vs Delo..
On the cummins forum those guys send in oil samples after 5-8k, and the Rotellas always up top.
I run bosch or mobil 1 oil filters..forget the part number, but they are HUGE..bearly fit. Luckily mines renix and my oil filter points out towards the fender, vs the HO's they point backwards.
But I change around 4500 miles and the oils still golden colored! I used to run Delo 15W40, but switched after I saw the oil reviews done on the cummins forum. Rotella 5W40 was always better.

Both are about 12 bucks cheaper than Mobil 1. I think I pay like 28 bucks for 6 quarts. While mobil 1 was costing me over 40 for 6 quarts.
Mobil1 used to get dark..not black but not golden..kind of inbetween, by 4500 miles, the Delo & Rotella still look new at the same 4500 miles. I've been a very happy camper since the switch!
Personally I don't think that the color of the oil at change time is so much an indication of the quality of the oil but of the filter. If you haven't changed the filter that you're using I'd be worried that all the stuff that isn't making your oil dirty is sludging up your engine... I was thinking of getting one of those Canton/Mecca filters for the heep because I like my stuff to last forever, but unfortunately I just spent the money on new rods and mains instead :/ (only had it 2K miles, changed the oil, and now it's knocking?) I guess if my crank looks too bad or if new shells don't quiet it down I will be looking at a rebuild.

But anyway to the question that was asked, I've always been told that using a HDEO like Delo or Rotella is the way to go; I worry a little about using a SAE 40 oil in an engine that recommends SAE 30 (the second number is the one that really matters, the first one affects cold startup and essentially lower is better, within reason - but that's a whole 'nother discussion, and mistrust any non-synthetic that has a lower "W" viscosity rating than 10W30 or 15W40... viscosity improvers will break down before the oil will... but synthetics are naturally more viscosity stable than conventionals so things like 5W40 are possible)

I probably will use the 5W40 in my own engine, it's already knocking on 10W30 and I've got a whole stash of it in my storage locker that was intended for a Studebaker engine. So at this point it can't hurt...
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Unread 03-18-2012, 12:04 PM   #30
cruiser54
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Rotella 15/40 and Wix, Napa Gold or Mopar.
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