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Unread 03-12-2014, 11:46 PM   #1
kylelm
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What oil brand and weight are you using with hydraulic lifters in 258

A few months ago I replaced a bunch of things in the old 258 including the cam. After researching about breaking in the cam I learned that oils today do not carry the amount of zinc and phosphorus as was needed many years ago for flat tappet cams. I have been through 4 oil changes in the last 6 months and haven't used the same thing yet. I have used everything from royal purple racing to the Walmart conventional w/ comp cam break in additive. What does everyone suggest?

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Unread 03-13-2014, 12:04 AM   #2
only in a jeep cj
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I don't know if there is a "right" answer, but for the last 20 years, Ive been using Valvaline High Milage 10 W 40 in all my stuff. Ive gone over 5 K on many a change with no problems.
Break in oil is always a good idea on new stuff.
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Unread 03-13-2014, 01:24 AM   #3
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I've been using the Napa (made by Vlavoline) synthetic 15W50 (not diesel rated)
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Unread 03-13-2014, 02:37 AM   #4
RWise
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Rotella T 15/40 for me and most every thing here!
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Unread 03-13-2014, 02:44 AM   #5
Matt1981CJ7
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Valvoline VR1 is the only oil that goes into my engine. It's high in zinc/phosphorous for flat tappet engines.

Matt
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Unread 03-13-2014, 04:51 AM   #6
86cj74.2L
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The Rotella T6 has been in Grammys CJ almost since the product first came out.

There is a guy or three on the WJ Fourm that ran Walmart supertech in his 4.0 and his wife's and I think a kids............they all had well over 300,000 miles on them at the time he posted. A few others mentioned their really high milage rigs on it too.

Use the oil that makes you feel good too.
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Unread 03-13-2014, 05:18 AM   #7
Knucklehead
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Rotella or Delo-lube diesel oil in all my stuff - I buy in the big pails.
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Unread 03-13-2014, 08:45 AM   #8
CrustySprings
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I use Rotella T 15w-40 and a Wix 51522 oil filter in my 85 CJ 7. Seems to be a good combination.
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Unread 03-13-2014, 08:52 AM   #9
capt205
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Quote:
Originally Posted by CrustySprings View Post
I use Rotella T 15w-40 and a Wix 51522 oil filter in my 85 CJ 7. Seems to be a good combination.
Same here.

The oil now comes out clean at change time, and the annoying tic is gone. On 3rd change right now, so 2 oil changes with the Rotella, cleaned up a filthy crankcase, and quieted the tic.
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Unread 03-13-2014, 09:20 AM   #10
kylelm
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I have thought about using vr1

Quote:
Originally Posted by Matt1981CJ7 View Post
Valvoline VR1 is the only oil that goes into my engine. It's high in zinc/phosphorous for flat tappet engines.

Matt
Is it hard to find
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Unread 03-13-2014, 09:26 AM   #11
kylelm
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I just tried Defy by quaker state without the break in this time because I was getting white foam in the dip stick which I thought was water but now believe to be additive????

I am also getting smoke from the exhaust that will not go away. It only comes from 1st gear out of the gun. I thought it was from the grease and additive from the rebuild of the heads. Not sure on that either though....
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Unread 03-13-2014, 09:38 AM   #12
Matt1981CJ7
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Quote:
Originally Posted by kylelm View Post
Is it hard to find
My local NAPA carries it.

The off-white foamy build up on your dipstick is most likely condensation from short trips in which the engine doesn't reach full operating temps. It's pretty common.

You might check your PCV system for proper operation.

Matt
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Unread 03-13-2014, 10:08 AM   #13
kylelm
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This is real foamy though. I dont know if you have heard of this but my hood leaks onto the valve cover. I thought water was getting into the breather hole so I fabricated a water shield for it but I still get white foam.

I also checked for a head gasket leak and was okay in that department.
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Unread 03-13-2014, 10:12 AM   #14
86cj74.2L
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Quote:
Originally Posted by kylelm
This is real foamy though. I dont know if you have heard of this but my hood leaks onto the valve cover. I thought water was getting into the breather hole so I fabricated a water shield for it but I still get white foam. I also checked for a head gasket leak and was okay in that department.
What thermostat are you running?

What is your normal driving condition?

How did you verify no head gasket leak?
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Unread 03-13-2014, 10:17 AM   #15
Matt1981CJ7
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If your oil looks and smells normal, otherwise, then the foam is just condensation and isn't cause for concern.

Again, it could be that your crankcase isn't getting proper ventilation, which is causing excessive condensation. Check your PCV system.

Matt
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