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Discussion Topic:
600 W gear lube really necessary in a '41?
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FordFreak |
09-17-2022 @ 12:56 PM
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New Member
Posts: 127
Joined: Nov 2013
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StaLube GL 4 140 wt. I get mine through NAPPA. - F F
1937 Ford Coupe 1952 Ford F1 Pickup 1965 Falcon Sprint
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martin.scheffer@gmail.com |
09-17-2022 @ 11:55 AM
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Member
Posts: 29
Joined: Aug 2022
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Thanks again for the helpful advise
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marko39 |
09-15-2022 @ 6:15 AM
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Member
Posts: 45
Joined: Sep 2016
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Yes there is some brass in the trans. Synchronizer and that’s why GL4 is used. Stalube is one brand available.
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carcrazy |
09-14-2022 @ 5:07 PM
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Senior
Posts: 1979
Joined: Oct 2009
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If you use a synthetic gear oil of a viscosity less than SAE 90 weight, you increase the possibility of having oil leaking from the transmission.
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martin.scheffer@gmail.com |
09-14-2022 @ 2:44 PM
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Member
Posts: 29
Joined: Aug 2022
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Wow, you and Marco have definitely made my day. Thanks so much. Anybody using synthetic? I ran it very successfully in a 39 Desoto for about 6 years. Any brass or copper in the trans or diff? Lucas makes a conditioner which you mix half and half with their gear lube to protect such items.
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42wagon |
09-14-2022 @ 11:31 AM
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Senior
Posts: 586
Joined: Oct 2009
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600 weight is for Model As. It is too heavy for our V8s
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marko39 |
09-14-2022 @ 10:37 AM
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Member
Posts: 45
Joined: Sep 2016
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No need for that stuff in Tracy or diff. For tranny use a GL4 lube either 90 or multi grade. Diff can take GL5 but can use what you put in tranny. I got my lube on Amazon. The 600 is probably ok for the steering box and some like the corn head grease for that.
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martin.scheffer@gmail.com |
09-14-2022 @ 9:21 AM
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Member
Posts: 29
Joined: Aug 2022
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Recent inductee to early Ford lore with a purchase of a 1941 would like to know more about the need to use 600 weight gear lube in the tranny and diff. Got a qt. from C&G parts - expensive, and of course pretty thick to even pump in. My Ford Reference Book says to use 90 in winter and 120 in summer, but both C&G as well as MAC's catalogs call for 600 W and my Ricks V8 Shop manual states "use no other" including in steering box. Anxious to read your recommendations.
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