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Old 09-21-2015, 03:49 PM
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Old 02-01-2016, 10:00 PM
  #52861  
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Marvel Mystery Oil as a substitute for one quart of engine oil. Look at it after 1000 miles, both on the dipstick and monitoring the sludge with a flashlight in the oil filler hole.
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Old 02-01-2016, 10:02 PM
  #52862  
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Originally Posted by cruiser54
Marvel Mystery Oil as a substitute for one quart of engine oil. Look at it after 1000 miles, both on the dipstick and monitoring the sludge with a flashlight in the oil filler hole.
would MMO help unstick piston rings if poured in the cylinders?
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Old 02-01-2016, 10:05 PM
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Originally Posted by XJwonders
would MMO help unstick piston rings if poured in the cylinders?
Yes.
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Old 02-01-2016, 10:07 PM
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Originally Posted by cruiser54
Yes.
nice I ll have to give that a try
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Old 02-02-2016, 06:13 AM
  #52865  
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MMO is good stuff
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Old 02-02-2016, 07:32 AM
  #52866  
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Default Radiator Opinions Wanted

96, country edition, 4x4, 230000+ miles, stock, to be a sometime DD (mostly just a hobby though ;-) ).
It looks like I may have a small leak in my radiator. I'll know definitely after I rent a pressure testing kit. I don't want to use any stop leak type products and would prefer to just replace the radiator. I did a quick look at some sites and found a couple at Rock Auto. My question is has anyone had any issues with an aftermarket radiator vs spending twice the amount for one from a dealer? The two I found at Rock Auto, one was copper and one was aluminum. Any preference on which of those (cost is almost the same). The copper one is 13mm narrower, not sure that matters though I need to check that out.
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Old 02-02-2016, 07:43 AM
  #52867  
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Originally Posted by Cane
still trying to track down a vibration on deceleration. I've asked about transfer case bearings and I'm set on rebuilding the TC, (got a slight lateral play at the yoke) but by looking around I also noticed about 1mm of play on my front driveshaft. is some play expected or it should be completely solid (I'm guessing the latter..)

here :

Driveshaft - YouTube
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Old 02-02-2016, 12:50 PM
  #52868  
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Default 2.5l Valve Cover (plastic to aluminum)

Has anyone here done this? I posted a regular thread on this, but also wanted to ask people in this thread. Mine is a 1984, 2.5l.

Thanks!
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Old 02-02-2016, 12:55 PM
  #52869  
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GregB58 - I have used all aluminum after market radiators ever since my 95 went through 3 multi part radiators in a year. Also on a pals '86 crawler, we pulled the AC and put in a 3 row all Al. Thing never gets close to hot.

After the troubles I have had with the stock XJ radiator, I will always go for an all AL aftermarket before another stock plastic/Al one again.
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Old 02-02-2016, 03:24 PM
  #52870  
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Would an engine with bad rings still run without producing blue exhaust smoke?
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Old 02-02-2016, 05:50 PM
  #52871  
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Got home from school today and noticed a nice puddle under my jeep. Popped the hood and the coolant overflow bottle is empty and the coolant in the radiate isn't full ethier. So I started looking around and found what looked like a small drip/stream of coolant coming down from the bottom of the upper radiator hose. Funny thing is I just replace all my hoses less than a month ago. Not sure why it's leaking. Hose clamp is plenty tight and I have never had any problems with overheating. Could this be a cracked radiator around the upper radiator hose outlet? Is that common? It's a metal radiator, not the plastic one so I'm not sure. As far as I know, it's the original radiator. Any ideas? Cracked radiator? Something else?
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Old 02-02-2016, 05:54 PM
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Default Rear cargo pan replacement

Any idea where one can obtain a NOS cargo pan? I do not have much to work with for repairs. Also l am a new be so I hope I am doing this right. I am in deep on a 95 XJ!
Thanks
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Old 02-02-2016, 05:58 PM
  #52873  
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Originally Posted by cat416it
Any idea where one can obtain a NOS cargo pan? I do not have much to work with for repairs. Also l am a new be so I hope I am doing this right. I am in deep on a 95 XJ! Thanks
what's NOS?
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Old 02-02-2016, 06:19 PM
  #52874  
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Originally Posted by 93XJeeper
what's NOS?
New Old Stock. *Original* OEM parts
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Old 02-02-2016, 06:30 PM
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Sorry about the NOS as stated new old stock or OEM. I have tried many site's with no luck, did get the front OEM pan on Amazon, but apparently the rear cargo pan is no longer available. Hard to believe that being that the front full pan is readily available.
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