WJ + XJ Rotella T5 10w-30 vs. Mobil 1 high mileage vs. Castrol high mileage. - Page 8 - JeepForum.com
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Unread 10-12-2013, 09:57 AM   #106
wsar10
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Quote:
Originally Posted by dlundblad View Post
Our jeeps seem to be polar opposite then. I should give T5 and T6 a try. Lol.

How's the Valvoline HM going for you? What's the zddp content?
FWIW
I switched FROM Valv. ML to Rotella years ago, due to the lack of ZDDP but IIRC they changed there formula years ago and got rid of the zinc and phosphorus and upped the moly and boron. There was talk back than about the ML having X amount of recycled content so I jumped ship. I never thoroughly researched the above claims because at that time I was learning about HDEO and I now HDEO's in EVERYTHING. If I was going to use a PCMO it would be a SOPUS product, definitely PNZL HM over Valv. ML.

My 4.0's have had a steady diet of T5 (summer) and PNZL HM (winter)for a long time.

here is what I can find for a VOA of ML......
http://www.bobistheoilguy.com/forums...3097292&page=1

based on the above there are MANY better oils for a 4.0 than ML. maybe try veggie oil !!

http://www.bobistheoilguy.com/forums...ue#Post3114041

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QUOTE=billzcat1;wsar10 is right on point on this oil thread - as usual. Anyone reading this would be well-served taking his advice.


-03 WJ laredo 4.0 120k a few minor mods
-93 XJ 5spd, 3" zone lift
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Unread 10-12-2013, 10:51 AM   #107
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Quote:
Originally Posted by KayCeeJeep View Post
This is an old thread but I remembered it, I had said I'd post a UOA of Castrol HM when I got one. Well I've got one and I am underwhelmed to say the least.

This is why you do UOA's, my 4.0 ran so smooth and quiet on the Castrol HM I was totally sold. But the UOA shows I can do better. UOA's are a great tool, I also learned my use is much closer to severe use than I would have guessed. So I'm cutting my OCI's back. The scary part is I ran the same stuff a full 5k without a UOA prior to this.

This was a winter blend of 5w20 and 5w30 that should have resulted in a standard 5w30, the original kv@100 was about 10.5. The moly is coming from a full can of MoS2 which I also added to the brew. I will not be using that any longer as it's not cost effective for shorter OCI's.

WOW I kinda feel that he Fe is a bit high along with aluminum, somebody remarked that this was not a bad UOA.......not hateful but we have DEFINITELY seen better. I guess that settles that the 4.0 does not appreciate castrol "shearing" and shows significantly higher wear numbers.
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QUOTE=billzcat1;wsar10 is right on point on this oil thread - as usual. Anyone reading this would be well-served taking his advice.


-03 WJ laredo 4.0 120k a few minor mods
-93 XJ 5spd, 3" zone lift
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Unread 10-14-2013, 09:46 AM   #108
KayCeeJeep
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I switched to a thicker Pennzoil (10w40 with a single quart of 5w20 to thin it a bit) and got MUCH better results. Very happy with this one, especially the aluminum, as with the WJ's 4.0 the piston skirts are something to potentially cause problems so very low aluminum is a great sign this 4.0 is healthy.

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Unread 10-18-2013, 10:04 PM   #109
02grandy
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I did the T5 I think it made my engine louder like the mobil one. maybe im stuck with high mileage and or full syn is to slick for me now. still have valv max life high mileage 10w-30 waiting for its change............ working on other things . my 99 Cherokee and 2002 both have interesting noises coming from them lol
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Unread 10-19-2013, 06:53 AM   #110
86cj74.2L
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In my area TSC sells the T5 in the 10w40 flavor.
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Unread 10-20-2013, 12:00 PM   #111
KayCeeJeep
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Quote:
Originally Posted by 02grandy View Post
I did the T5 I think it made my engine louder like the mobil one.
That's a common comment with Rotella, it doesn't have anything to do with protection but for some people (like me) it's annoying.

You want quiet use Pennzoil. My results (very good IMO) posted above.
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Unread 10-20-2013, 01:18 PM   #112
dlundblad
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Quote:
Originally Posted by KayCeeJeep View Post
I switched to a thicker Pennzoil (10w40 with a single quart of 5w20 to thin it a bit) and got MUCH better results. Very happy with this one, especially the aluminum, as with the WJ's 4.0 the piston skirts are something to potentially cause problems so very low aluminum is a great sign this 4.0 is healthy.

You have officially inspired me to give PYB a try. Do you think i should just start out with 10w30 or should i give the thinner 10w40 mixed drink a try?? Itll be for an indiana winter. It can be anywhere between 20 and -20 degrees. lol
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Unread 10-20-2013, 03:00 PM   #113
KayCeeJeep
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For winter I'd definitely just go 10w30, nothing overly heavy, in fact if it's going to be that cold (-20 brrr!) that would be the 5w30's one chance to shine. I'm not a big fan of 5w30 in the 4.0 BUT just like the manual says it is just fine when its the cold months. My Jeeper BITOG buddy ran the Pennzoil 5w30 over the winter and his UOA was good also.

Whatever you do, be sure to update with your feedback down the road.
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Unread 10-20-2013, 07:37 PM   #114
dlundblad
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As of today my lifter came back as I was leaving work. Restarted my Jeep and it was more quiet. Maybe the PYB will help?? I just worry I have a mechanical issue with the engine, but im willing to try whatever to make that tick go away.
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OME SS_IPF series 868 lights
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Unread 10-21-2013, 10:12 PM   #115
KayCeeJeep
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I wouldn't expect any oil to fix a mechanical issue, but oil can sure make a difference in lifter noise. If you are referring to lifter tick, thin is your friend, not thick. MMO can sometimes help clear up lifter noise as well.
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Unread 10-22-2013, 08:02 AM   #116
dlundblad
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Yeah I was going to give MMO a try along with PYB. Walmart was sold out of the 5 quart jug and it would have been like 8 dollars more to buy individual quarts. I'm too cheap for that.
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OME SS_IPF series 868 lights
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Unread 11-24-2013, 07:51 PM   #117
02grandy
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Wj

the Valvoline 10w-30 high mileage maxlife is making my jeep louder so im gonna switch back to my Castrol HM .
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