Muncie Gear Oil

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Nov 1, 2010 | 03:17 PM

dc2x4drvr

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Joined: Jul 2009

Posts: 3,210

From: St Augustine

Muncie Gear Oil

GM recommended p/n 1051066, anyone know what this # has been changed to?

Nov 1, 2010 | 03:31 PM

gearheads78

car guy

Joined: Apr 2008

Posts: 5,675

From: Dallas TX

Not a direct answer but here are a few pages worth reading

Muncie Owner's & Guru's Beware/must Read !!!!! - Chevelle Tech

Nov 2, 2010 | 06:43 AM

dc2x4drvr

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Registered User

Joined: Jul 2009

Posts: 3,210

From: St Augustine

Yah, I've read that thread before, just wanting to find the original GM spec on recommended lube for the Muncie...Guess I'll refill with Sta Lube 80w 90.
Thanks

Nov 2, 2010 | 07:21 AM

Nilsson

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Joined: Feb 2009

Posts: 1,076

From: Columbus, OH

You are correct in using the STA/LUBE. It meets API/GL4 safe for bronze type materials.

It is what I use as it was the only lube I could locate with the GL4 rating.