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Normal Topic engine and gear oil (Read 444 times)
 
MikeP
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engine and gear oil
07/15/19 at 15:40:27
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has anyone ever used brad penn oils (penn grade 1) the mechanic that works on my dads ford truck told me about it after i told him i bought a cj3a and said it has a very high zinc content and so on and so thats most likely what im going to feed my engine after doing a oil change and then eventually the gears in the tranny and transfer case and axles

https://www.ebay.com/itm/5-Quarts-of-Brad-Penn-Grade-1-SAE-10W-30-Semi-Synthetic...

https://www.ebay.com/itm/Brad-Penn-023-7729-Multipurpose-Classic-GL-4-80W90-Gear...
  

1950 willys cj3a
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aboyandhisdog
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Re: engine and gear oil
Reply #1 - 07/16/19 at 20:39:55
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Never heard of it.  Give it a try and let up know how you like it.
  

Tom

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Rus Curtis
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Re: engine and gear oil
Reply #2 - 07/16/19 at 21:39:52
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Want to burn up a whole weekend reading stuff?  Google "ZDDP Oil Comparison"

Here's a few:
http://www.sccoa.com/forums/showthread.php?136304-What-oil-brands-offer-the-best...

https://www.corvetteforum.com/forums/c3-tech-performance/2484100-list-of-flat-ta...

https://www.enginebuildermag.com/2012/03/zddp-when-where-what-why-how/

I noticed the oil you are asking about is on the comparison list.
  

'54 CJ-3B "Green Gruntt"
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MikeP
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Re: engine and gear oil
Reply #3 - 07/17/19 at 06:32:20
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that was some good reading about the oils and brad penn seems to be a great oil to use from that list
  

1950 willys cj3a
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Brad Y.
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Re: engine and gear oil
Reply #4 - 07/19/19 at 15:08:14
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High zinc seems the way to go from what I have read as well.

Here is a link to the 3B page with some more nice reading on engine oils. http://cj3b.info/Tech/OilWeight.html

The evolution of oil section is the one that caught my eye and came to mind when I read this post.
  
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johnrb3b
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Re: engine and gear oil
Reply #5 - 07/30/19 at 11:18:57
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High zinc oil is great for flat tappet engines.
This is what I use.
It also minimizes moisture buildup in engines that sit more than run.

https://inrccca.org/product/classic-car-motor-oil/

Here's an article about it:
https://www.hagerty.com/articles-videos/articles/2013/08/07/Classic-Oil
  

1946 2A - - - 1949 me - older than most of my Jeeps
1954 3B - - - 1957 Wagon - - - 2010 4-door JK
past Jeeps ---> '54 3B - no tub --- '59 3B - no engine
past addiction - VW ---> '69 bus --- '70 camper --- '84 camper
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Rus Curtis
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Re: engine and gear oil
Reply #6 - 07/30/19 at 11:33:08
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John,
This is what I bought.  I'm using AMSOIL to break in then the Classic Car oil for a few oil changes after that (for the same reasons).

I'd read on other forums that even Rotella was reducing ZDDP content to comply with mandate.
  

'54 CJ-3B "Green Gruntt"
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johnrb3b
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Re: engine and gear oil
Reply #7 - 08/02/19 at 15:20:24
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Yes
I've seen the lead content of some Rotellas slowly being reduced over the last few years.
  

1946 2A - - - 1949 me - older than most of my Jeeps
1954 3B - - - 1957 Wagon - - - 2010 4-door JK
past Jeeps ---> '54 3B - no tub --- '59 3B - no engine
past addiction - VW ---> '69 bus --- '70 camper --- '84 camper
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