Oil api

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Brickren
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Oil api

Post by Brickren » Tue Sep 03, 2019 11:28 am

So I'm trying to find out the proper API designation for oil. I come up with mil spec 2502 b. I got a lot of obsolete numbers but I can't find a straight answer. I see some people are running 20 50 but it's the end of the year and the manual says 30 weight. So I want to find the correct API. I tried searching the forum came up with 400 plus enturies but I still didn't see what I was looking for
1975 710M
2000 Ural Tourist

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rmel
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Re: Oil api

Post by rmel » Fri Sep 06, 2019 10:16 am

Don't know if you read this thread,
http://real4x4forums.com/PinzgauerBBS/v ... ght#p87171

IMHO, there are two things to think about here w.r.t. Oil, proper levels of anti-wear
for these Antique engines with solid lifters, and viscosity -- mono or multi-weight.
Puller: 71' 710K 2.7L EFI aka Mozo
Follower: Sankey MK 3, 3/4 Tonne
Rescue Pinz: 73' 712M

Driver: Ron // KO0Q

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Brickren
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Re: Oil api

Post by Brickren » Fri Sep 06, 2019 10:47 am

Thank you. This is exactly what I was looking for.
1975 710M
2000 Ural Tourist

boeing7873
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Re: Oil api

Post by boeing7873 » Wed Oct 23, 2019 11:03 pm

I would not worry into looking for the original oil equivalent. All modern oils well exceed the original requirements. I live in Atlanta, about 30F to 100F temp range... And I go between 20W40 and 20W50..
Jerome
CRJ Driver

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rmel
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Re: Oil api

Post by rmel » Thu Oct 24, 2019 12:27 am

Be forewarned!! Off the shelf oil has insufficient antiwear additives for these older
engines with solid lifters. Use classic car, racing, or aviation oil or your lifters will pit.
Puller: 71' 710K 2.7L EFI aka Mozo
Follower: Sankey MK 3, 3/4 Tonne
Rescue Pinz: 73' 712M

Driver: Ron // KO0Q

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4x4Pinz
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Re: Oil api

Post by 4x4Pinz » Thu Nov 07, 2019 7:10 pm

I use valvoline VR1 20 50. great for these older engines. Same stuff I use in all my older vehicles. I was looking for a higher zinc content and the valvoline kept coming up on all the different boards for the many different vehicles I run.

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