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Unread 06-24-2013, 03:22 PM   #16
cj5huntingrig
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Quote:
Originally Posted by Stegs View Post

it didnt leak until i did the MMO

thinking it got thin and thats what is leaking

oh well...

I will see if thicker oil help any, or i will do the RMS this winter
MMO won't make a seal leak unless gunk was the only thing holding in the oil. You can try stop leak or heavier oil but you may be circumnavigating the real issue. The issue is most likely that your seals need replacing. My seals leak bad but it doesn't bother me as its parked in the back yard and it forces me to keep adding fresh oil I work on a lot of jeeps and pretty much every one I've ever seen leaks. When you finally decide to do it, go ahead and do your intake and exhaust as well as timing gasket. If you have more than 30,000 since timing set change, do that as well. Its cheap and your engine will love you for it. Cheers!

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Unread 06-24-2013, 04:01 PM   #17
LumpyGrits
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Why not just run 20W-50?
Lucas engine oil stop leak really does work also.
LG
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Unread 06-24-2013, 07:22 PM   #18
SCSEAJAYSEVEN
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Ahh, the old "mechanic in a can" trick. I have never used any Lucas product, but it can't be much different the the old standby, when you don't have time or money to repair it right, you pour in a can of STP oil Treatment.

Used to call this stuff, STP, Stay Together, Please or Stop The Puddles. It has the viscosity of bee's honey, on a cold morning, only thicker.

It won't fix the problem, only prolong the inevitable. Normal oil pressure for a stock, used, 258, is about 7 psi to 20 psi. Before I rebuilt mine, that is what I was seeing on a mechanical oil pressure gauge.

After my rebuild and a Melling High Volume oil pump, on startup, I see 70 psi and it will drop down to about 60 psi in a few seconds. When warm, and at hi way speed, I see 50 psi and around 20 psi at idle.

As for the viscosity of the oil, living in the South, I use 30W HD "high detergent" oil. Multi-viscosity oil is great also, but I find the the 30W HD oil keeps the inside of the engine cleaner and I change the oil regularly.

STP and Lucas oil treatment products are still on the market and selling well. So is radiator stop leak, power steering stop leak, engine oil stop leak, etc.

There is NO "Mechanic In A Can"...
Bert...
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Unread 06-24-2013, 10:33 PM   #19
LumpyGrits
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STP is one of the reasons my engine is still run'n strong at 118K miles and 28 yrs of age. Never been inside except to reseal the valve cover(twice).
STP adds Zinc(ZDDP)to the oil, to boost oil film strength. Like oils from the 60's and 70's had to begin with.
LG
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Unread 06-25-2013, 05:18 AM   #20
Stegs
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i did the oil change last night

5 quarts of valvoline 10w40 High mileage and 1 quart lucas oil stabalizer

the filter i use on all my vehicles is napa gold filter

i went from having (according to the factory gauge, which who know if its accurate) 10 psi cold idle, 5 warm idle and just shy of 20 psi going down the road

now if have 50 psi cold idle, 20 psi warm idle and just over 40 going down the road

I did not do this for a stop leak attempt. I did it to boost my oil pressure only.

The motor seems to run way better. I still need to do alot of work, getting the exhaust leaks fixed

Im going to start another thread on stuff i should do, as this jeep sat in a storage unit for a while...it needs a "once over"
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Unread 06-25-2013, 09:13 AM   #21
LumpyGrits
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Like I said, 20W-50 would be good here.
NAPA 'Gold'=Wix, good stuff and Jeep OEM.
LG
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Unread 06-25-2013, 09:17 AM   #22
Stegs
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Quote:
Originally Posted by LumpyGrits View Post
Like I said, 20W-50 would be good here.
NAPA 'Gold'=Wix, good stuff and Jeep OEM.
LG
that will be my oil change from now on
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Unread 06-25-2013, 09:18 AM   #23
86cj74.2L
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Quote:
Originally Posted by Stegs
i did the oil change last night

5 quarts of valvoline 10w40 High mileage and 1 quart lucas oil stabalizer

the filter i use on all my vehicles is napa gold filter

i went from having (according to the factory gauge, which who know if its accurate) 10 psi cold idle, 5 warm idle and just shy of 20 psi going down the road

now if have 50 psi cold idle, 20 psi warm idle and just over 40 going down the road

I did not do this for a stop leak attempt. I did it to boost my oil pressure only.

The motor seems to run way better. I still need to do alot of work, getting the exhaust leaks fixed

Im going to start another thread on stuff i should do, as this jeep sat in a storage unit for a while...it needs a "once over"
Did you oil you drained out smell like gas?
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Unread 06-25-2013, 09:27 AM   #24
LumpyGrits
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that will be my oil change from now on
Look into a mech. oil pressure gauge as the Jeep OEM ele. gauge, can NOT be trusted.
LG
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Unread 06-25-2013, 11:04 AM   #25
Stegs
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Quote:
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Did you oil you drained out smell like gas?
no, not really. my wife was helping me and she said it smelled like gear oil...very foul

but that oil was about a month old only
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Unread 06-25-2013, 11:20 AM   #26
LumpyGrits
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Quote:
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no, not really. my wife was helping me and she said it smelled like gear oil...very foul

but that oil was about a month old only
That's from 'blow-by' .........
LG
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Unread 06-25-2013, 12:04 PM   #27
Stegs
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That's from 'blow-by' .........
LG
is that good? bad? doesnt really matter? need to fix?
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Unread 06-25-2013, 12:22 PM   #28
LumpyGrits
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is that good? bad? doesnt really matter? need to fix?
Google is your freind........
http://www.bobistheoilguy.com/blowby.html

LG
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Unread 06-25-2013, 03:57 PM   #29
Jerry Bransford
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Bob the Oil Guy's oil forum used to (!) have a webpage and video that very handily shot holes how well Lucas Oil Stabilizer worked. What the video showed was that adding Lucas Oil Stabilizer to gear lube caused it to trap air & turn into a light-brown colored foamy mess when the gears were spun. The gear lube was its normal dark green until the gears were cranked with the Lucas Oil Stabilizer product in it... it turned light brown/tan-colored due to the presence of the air bubbles. Gear lube is not supposed to foam in use, the bubbles are voids where the lubricant can't be.

Well guess what happened... Lucas became a Vendor/sponsor of Bob the Oil Guy's forum several years ago and Bob immediately removed the webpage and video showing how bad Lucas Oil Stabilizer is. No doubt Lucas' Bob is the Oil Guy forum Vendor fees are more than offset by the increased sales of Lucas Oil Stabilizer.
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Unread 06-25-2013, 04:08 PM   #30
LumpyGrits
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I can tell you for sure that their engine oil stop leak works
I use in my Jeep, the front and rear main seal leaks have stopped.
I also use it in my Chev 1T Dually with the Big Block eng, and it stopped the well known big block leaks.
The power steering stop leak has worked for over 10 yrs now to stop a power steering bx leak in my Jeep.
Can't find any fault with that..........
LG
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