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Thread: Gen 3 BG EPR Flush/Rotella T6 Oil Change WOW! Thoughts? Experience?

  1. #1
    Join Date
    Aug 2015
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    Moab, UT
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    Default Gen 3 BG EPR Flush/Rotella T6 Oil Change WOW! Thoughts? Experience?

    Bought an '01 Limited with 137ish and immediately performed and oil change with M1 5-30 (Normal M1) and a Mobil 1 Filter. Had continual and lifter tick; tried the Idle/15s to 3K/Idle Fix. Better, but still annoying, particularly with 15-25F start temps. Tried filling 5mm over as was recommended by several Australians...still tick, tick, tick.

    Used around 1.7 qts in 4590, which is apparently normal, but seemed excessive as my 242k SAAB 9-5 eats less than .3 qt over 5k. Thanks to many great forum contributors, I was keenly aware of the 6G74's valve guide/valve seal/lash adjuster issues. Ran through parts/price/procedure for doing the heads, but with only 141k, I figured I would try the BG EPR (formerly BG109) prior to going for it or even pulling the lifters.

    I had heard of people using BG109 in the past on SAAB 2.3T motors (notorious sludgers) with excellent results, confirmed by a sump drop. I have already run BG 44k through the fuel system with a noticeable improvement.

    Sooo..added the EPR to my thoroughly warmed(by driving) motor. The reduction in mechanical sounds was nearly immediate! It continued to become more quiet over the 12 minutes that the motor ran with the EPR. I held 1200-1300 rpm for a "bit", and performed the lifter drill twice. I was a bit unsure about the higher revs (3K), but I wanted to be certain I had gotten sufficient oil pressure to blow out any "gunk". Performed an oil change with the Rotella T6 5w-40 and a M1 Filter.

    Just an amazing change. Quiet, idles much more smoothly(and I have "Random Misfire code/due for plugs wires). Mrs. Refugee came out and asked what I had done, the car "sounds great". It feels MUCH sharper with light tip in and pulls cleanly at 2000-2200 uphill in 5th, something it struggle with previously. Mrs Refugee took it for a quick jaunt and came back grinning. "That much of a change from a can and some different oil?" YEP. "You're a car geek" Yep.

    Color me impressed and elated. We'll see with regard to oil consumption, but even if it just stays below the 2.5 qts/5000 Factory "Normal", I will be thrilled with the new throttle response and SILENCE. I would love to see before/after compression figures if anyone else gives the EPR a go. As for Rotella T6, my SAAB loves it, and so does the Montero. $21.88 Gal @ Wally World or Prime!

    I'll follow up with a Blackstone UOA after the next change.

    Still need to do wires/plugs, but currently right around 18.8-19.3 Hwy with Assurance Fuel Max 265/70's, so I am curious to see what it does. Going to A/T 3's or KO2's in 265/75 16, so I suppose I'll enjoy the mileage while it lasts.

  2. #2
    Join Date
    Jan 2016
    Location
    Cary, NC
    Posts
    49
    T6 Rotella - Best Oil Ever!

    1st thing I did~ and with regular use your motor stays clean.

  3. #3
    Join Date
    Jul 2012
    Location
    Mount Holly, NJ
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    A big plus one for Rotella T6 (and the 15w-40 for conventional applications) and BG products in general.
    2016 DR650SE
    2000 Lexus LX470
    2000 Mitsubishi Montero Endeavor Edition SOLD
    1998 Mitsubishi Montero w/ Winter Package SOLD

  4. #4
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    Jul 2012
    Location
    Flagstaff, AZ
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    Didn't realize there was a product called Bg109 Bg EPR Engine Performance Restoration

    Was kinda confused what you were talking about.
    Last edited by PHeller; 01-29-2016 at 03:26 PM. Reason: figured it out

  5. #5
    Join Date
    Nov 2009
    Location
    Milwaukee, WI USA
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    1,394
    Rotella T6 full synth in the '88, '93 & '05. also the '92 when I owned it.
    83 Mighty Max SPX - 2.0l 4 speed. ARB bumper, winch, OME 2" rear, Bilsteins, 4.90 rear locker, front LSD. 31x10.5R15
    88 Raider: 4D56T, 5 spd, 4.62 LSD F & R, KYB G/A, T/L, OME Dakar Rear Springs, 33x12.5x15 MTZ, PLH L/Os, Dual Bouncies,
    92 Montero RS M/T - SOLD!
    93 Montero SR Auto 3.0 V6 33x10.5R15LT BFG T/A KO, KYB G/A, 4.88, ARB Bumper, Warn HS9.5k, New Heated Leather, Dual Bouncies
    05 Montero LTD LT285/75R16 BFG T/A KO2, Bilstein, OME Springs
    http://www.tuffpans.com

  6. #6
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    Nov 2015
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    SD
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    Can u use T6 in a gasoline engine, I use it for my deisel work truck not sure about my monty 😂

    Sent from my HTC Desire 610 using Tapatalk
    96 Montero LS 3.0

  7. #7
    Join Date
    Jul 2012
    Location
    Mount Holly, NJ
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    Quote Originally Posted by NickSchmaus View Post
    Can u use T6 in a gasoline engine, I use it for my deisel work truck not sure about my monty ��

    Sent from my HTC Desire 610 using Tapatalk
    Yup.
    2016 DR650SE
    2000 Lexus LX470
    2000 Mitsubishi Montero Endeavor Edition SOLD
    1998 Mitsubishi Montero w/ Winter Package SOLD

  8. #8
    Join Date
    Nov 2010
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    Tucson
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    T6 is a great motor oil, but I would be hesitant to use it in an oil burner. It has a pretty high zinc content which is great for wear protection, but can quickly damage the 02 sensors.

    My '02 was an oil burner and I briefly ran T6. Mine threw an 02 code after about 6K miles.
    '93 Defender 110
    '06 Mitsubishi Montero Limited
    '01 Tahoe

  9. #9
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    Aug 2015
    Location
    Moab, UT
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    Quote Originally Posted by vanroth View Post
    T6 is a great motor oil, but I would be hesitant to use it in an oil burner. It has a pretty high zinc content which is great for wear protection, but can quickly damage the 02 sensors.

    My '02 was an oil burner and I briefly ran T6. Mine threw an 02 code after about 6K miles.
    Contaminating the cat is a concern, and certainly something to be aware if excessive oil consumption is an issue. I don't seem to have any of the classic smoking after idling or when accelerating, so I am not terribly concerned, but I could see a rig that makes smokescreens toasting cats/O2 Sensors. Good info.

  10. #10
    Join Date
    Jan 2016
    Location
    Cary, NC
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    49
    "Shell Rotella® T6 Full Synthetic Heavy Duty Engine Oil features an advanced multi-functional, low-ash additive technology in a synthetic base oil designed to provide highly responsive protection that continuously adapts to your driving conditions"

    If you are burning oil it's just a matter of time with sensors. I ran T6 in my 2002 pathfinder, VG 3.5L, with 5,000 to 7,500 change intervals for more than 70k miles and this SUV has 4 cats, never had one sensor or anything go out.

    A lot of this comes down to the health of your engine - why poor good oil in something that will burn it up? Run the cheap stuff or get the motor rebuilt.

    The other part is how clean the motor will keep itself - "Like New!" - and that in a strange way sometimes reveals leaks and other stuff due to stuff "Moving Along" in the system as the oil cleans and breaks down contaminants.

    The other part that made me a believer is running a turbo car in the Las Vegas NV heat 120+ degrees without worry - all day - this oil never quits! My brakes do, but not the oil.

    Plus I'd rather preserves the motor and by a Cat until I can DeCat it~! Some day

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