Rotella: The world's first ever combined hair oil, foot ointment, and salad dressing
#241
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Year: 1996
Model: Cherokee (XJ)
Engine: 4.Slow
The detergents probably cleaned out the slude n grime which acted like a cushion. Diesel oil is great for cleaning dirty engines due to the high detergent levels.
#242
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Year: 1998
Model: Cherokee
Engine: 4.0
I switched from conventional 5w30 to Rotella T6, and the difference was quite incredible. My 4.0 has none of that top-end noise anymore and runs smooth! I was so impressed that I swapped 10w30 dino for the T6 5w40 in my daily driver, which is a 24 year old Mazda 2.2 4-cylinder. Same results--runs super smooth compared to before and no more top-end noise. The Mazda 2.2s are known for an occasional loud tapping of the hydraulic lash adjusters at startup, especially after sitting for a day or two--that hasn't happened since I switched. Very happy with the Rotella.
#244
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Year: 2001
Model: Cherokee
Engine: 4.0L I6
Correct. Most parts stores don't sell single quarts of T6 but Walmart does. Or you can buy two gallons and save half for your next oil change. 3 gallons = two changes
#245
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Year: 2001
Model: Cherokee
Engine: 4.0L I6
Correct. Most parts stores don't sell single quarts of T6 but Walmart does. Or you can buy two gallons and save half for your next oil change. 3 gallons = two changes
#247
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Year: 2000
Model: Cherokee
Engine: 4.0
Salad, Still Eagerly waiting on the T6 and the royal purple results. I have an oil change coming up in 1,500 miles and curious as what to try next.
#249
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Year: 1997
Model: Cherokee
Engine: 4.0L
Interesting about Mobil1 and iron. I recall reading something similar and was quite surprised.
Yeah the giant slug of moly in PYB makes it a pretty nifty oil. I'd consider running it if I didn't have 15L of T6 in my shed lol. I've recently acquired a TDI that basically requires the stuff so... eh...
Yeah the giant slug of moly in PYB makes it a pretty nifty oil. I'd consider running it if I didn't have 15L of T6 in my shed lol. I've recently acquired a TDI that basically requires the stuff so... eh...
#250
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Year: 1999
Model: Cherokee
Engine: 4.0L OBD-II
I'll see if I can dig something up on the syn stuff for you.
#251
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Year: 1999
Model: Cherokee
Engine: Golen 4.6 Stroker, AFE Headers, 62mm TB, 24 LB Injectors, Brown Dog kit, HF Cat, 3" Exhaust
Hey salad- Thanks again for your work here- Still waiting on the Amsoil numbers though
#253
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Year: 1996
Model: Cherokee (XJ)
Engine: 4.Slow
As stated before Diesel oil is high in detergents as it was made for "dirty" engines. If your vehicle is a high mileage vehicle, it will clean out the engine including the "cushion" left behind from using conventional oils for so long. So I'm not knocking or bashing Rotella or Diesel oil, just stating that some higher mileage engines can experience your symptoms. It's a 50/50 shot of whether you get it or not. But the bright side is your engine is now clean. Lol
#255
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Year: 1996
Model: Cherokee
Engine: 4.0
[QUOTE=Outlaw Star;2837442]As stated before Diesel oil is high in detergents as it was made for "dirty" engines. If your vehicle is a high mileage vehicle, it will clean out the engine including the "cushion" left behind from using conventional oils for so long. So I'm not knocking or bashing Rotella or Diesel oil, just stating that some higher mileage engines can experience your symptoms. It's a 50/50 shot of whether you get it or not. But the bright side is your engine is now clean. Lol[/QUOTE)
And even if you switch back to the oil you were using the noise will probably still be there.
And even if you switch back to the oil you were using the noise will probably still be there.