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Author Topic: Lubricants for 66 manual transmission and rear end  (Read 2802 times)

Offline JimL

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Lubricants for 66 manual transmission and rear end
« on: July 21, 2014, 08:25:33 AM »
I'm trying to get a good cross reference for the Ford spec lubricants ESW-M2C83-B (trans) and ESW-M2C-105-A (rear).
I've read everything from 20w-50 motor oil to 80w-175 gear oil. 
What are the correct fluids ?
Thanks for the help.
Jim
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66 Signalflare Red GT Conv. 'A' code 289, 4 spd T-10, AC, PS, PT, black deluxe interior
Built July 20 @ Metuchen, NJ plant

Offline Brian Conway

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Re: Lubricants for 66 manual transmission and rear end
« Reply #1 on: July 21, 2014, 03:01:35 PM »
     I believe you will find that a GL4 80-90 weight oil is correct for the Ford 4 speed transmission.  Maybe google GL4 and GL5 to read about the difference's.  This is what I settled on for my cars.  Brian
« Last Edit: July 21, 2014, 03:04:28 PM by Brian Conway »
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5RO9A GT  4 Spd Built 5/29/65
9TO2R SCJ 4 Spd Built 9/19/68
Owner Driver Mechanic
San Diego, Ca.

Offline JimL

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Re: Lubricants for 66 manual transmission and rear end
« Reply #2 on: July 21, 2014, 06:24:03 PM »
Thanks for the info Brian!
Jim
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66 Signalflare Red GT Conv. 'A' code 289, 4 spd T-10, AC, PS, PT, black deluxe interior
Built July 20 @ Metuchen, NJ plant

Offline s2ms

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Re: Lubricants for 66 manual transmission and rear end
« Reply #3 on: July 24, 2014, 07:48:19 PM »
I've been using Redline synthetic MT-90 75W90 GL-4 oil in the original T-10 in my 66 GT350 and their 75W90 GL-5 gear oil in the differential for many years, great stuff!

Dave
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