differential oil type For the m20

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Swatpilot
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differential oil type For the m20

Post by Swatpilot » Sun Feb 18, 2018 7:16 pm

What type and weight does everyone suggest for the differential oil type? Also I assume you will to the bottom of the top plug? The rear has multiple plugs.

ferdockm
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Re: differential oil type For the m20

Post by ferdockm » Sun Apr 01, 2018 12:03 pm

Swat,

My M8 Lubrication Order shows that for temps -32 to 0F, use SAE 90.

For temps 0 to 32F, use 80 wt.

For temps 32F and above use 75 wt.

I use straight 80 in all of my diffs on the M8 & M20. I then added Archoil additive because Jay Leno says it's good. Made in the US & he uses it on all of his antique vehicles.

Here's the Amazon listing:

https://www.amazon.com/gp/product/B005U ... UTF8&psc=1

Hope this helps!
Regards,

Matt Ferdock
(484) 571-9458

Owner of:
1944 Ford G8T 1 1/2 ton
1944 M16 Halftrack
1941 M3A1e5 White Scout Car G67; Ord 1010
1943 M20
1944 M8
M45 Quad 50 x2
75mm AB Howey
37mm AT
105mm Howey
1942 Bantam Trailer x2
1 anxious wife

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