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oil weight

Old 01-15-2010, 10:23 PM
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So about a month ago i bought my 89 cherokee 4.0 auto with 144000 miles on it and im wondering what weight oil i should put in it what do they recommend? im kinda leaning toward 5/30 or 10/30 dont know yet
Old 01-15-2010, 10:24 PM
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go with the 10/30 I run it in mine with 260,000 on it
Old 01-15-2010, 10:28 PM
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thanks they hold 6 quarts?
Old 01-15-2010, 10:30 PM
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I run Quaker State 10w-40 high mileage. Quiets it down nicely.
Old 01-15-2010, 10:30 PM
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yep 6quarts
Old 01-15-2010, 10:45 PM
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I run 10w-40
Old 01-15-2010, 10:56 PM
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10w40 Valvoline Maxlife Semi-Synth

Doesnt smell the best burning off the downpipe though... lol
Old 01-15-2010, 11:06 PM
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i dont know synthetic oil i have had a very bad experience with it
Old 01-16-2010, 03:29 AM
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Synthetics are very nice. don't run them in a fresh motor, but after a few oil changes its usually a real nice way to go. expensive, but i felt a significant difference when i switched to full synthetic in my Camaro.

I run 10w30 Castrol GTX in my Jeep. and Castrol Full Syn in the Camaro.
Old 01-16-2010, 07:13 AM
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So is there a trick to taking off the oil filter w/o getting oil all over?
Old 01-16-2010, 07:22 AM
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6qts yes

10w30 or 10w40

don't use "high mileage" oils they have "conditioners" that swell up seals and cause them to deteriorate.. A good Synthetic (real synthetic) is fine, I recommend ELF or ENEOS when running synthetic.. If running dino oil I recommend Castrol or Mobil clean.

The only trick is to put a rag under the oil filter and hope that catches the mess, otherwise a can of brake cleaner to spray everything off before u put the new filter on is always great.. Don't bump the oil pressure sensor
Old 01-16-2010, 08:06 AM
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Until you have to tear it down and all the parafin in the quaker state has stopped everything up hence the nickname quaker bake
Old 01-16-2010, 09:08 AM
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Yeah im no fan of Quaker State or Penz
Old 01-16-2010, 09:31 AM
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180k miles, I run 10w-40 here in AZ.
Once you have drained the oil pan, move your catch pan over to under the oil filter. I remove my filter out the top of the motor while standing at the fender. As the filter comes off the stud, turn it up right to keep from dumping all the oil out, and simply guide it up out. I usually slide a finger in the threads for grip.
Old 01-16-2010, 09:43 AM
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Originally Posted by Cataldo
Synthetics are very nice. don't run them in a fresh motor...................
Why is that?

http://www.mobiloil.com/USA-English/...ics/Myths.aspx

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