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Joined: Feb 2011
Posts: 277
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Feb 2011
Posts: 277 |
what type or oil should I put in my recent purchased 1927 landau??
Regular "NAPA" type std transmission fluids ?
What weight, detergent or not??
thanks ron
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Joined: Jul 2009
Posts: 79
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Jul 2009
Posts: 79 |
I dont claim to be the expert at this but I do remember reading somewhere that the gear box has bronze bushings in it and the sulpher(?) in modern gear oils is aggressive to the bronze.
I use Castrol STH 140 witch is a "straight mineral gear oil". Not cheap but it was recommended to me and it seems to work.
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Joined: Apr 2010
Posts: 1,284
ChatMaster - 1,000
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ChatMaster - 1,000
Joined: Apr 2010
Posts: 1,284 |
Hi John,
You are spot on, the Penrite oil I use says
"compatible with yellow metals, will not damage copper, brass or bronze components".
But if you ask 10 guys they will have 10 different favourite oils.
Any oil suitable or marketed as ok for vintage gear boxs is ok, but if I am corect anything with EP for extreeme pressure could be a problem.
And the main bushing between your input and output shaft is bronze as are the bushes on both the idler and counter gear shaft.
Cheers
Ray
Some say "Street is neat". I prefer "1928 is great" I have documented my 45 years with a 1928 Chev Tourer, from 1973 to 2018, and regulary add other items that I hope are of interest to others. Your comments are most welcome.The story of the Red Chev can be viewed at http://my28chev.blogspot.com/
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Joined: Nov 2001
Posts: 19,758 Likes: 64
ChatMaster - 15,000
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ChatMaster - 15,000
Joined: Nov 2001
Posts: 19,758 Likes: 64 |
Originally "heavy oil" (600W or SAE 160) was used. Regular 85W-90 or 85W-120 is normally too low viscosity and will run out past the seals. It also does not slow the gear rotation so more gear grinding when shifting. SAE 140 is a good substitute. Some have used the lower viscosity oil with chassis grease added to "thicken". All of them will lubricate properly.
How Sweet the roar of a Chevy four!
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Joined: May 2010
Posts: 67
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: May 2010
Posts: 67 |
Hi Ron,
The easiest thing for me was to purchase the 600w oil through The Filling Station. Always have an order going with them so I tacked in on!
Thanks,
Jeff
Member # 8618
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Joined: Jan 2010
Posts: 86
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Jan 2010
Posts: 86 |
Ron, It sounds like sacrilege, but you can buy bottles of 600 wt oil locally in Denver at this Model A parts vendor. at least you can save on the shipping. http://modelastore.com/index.htmciao, Jay
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Joined: Jan 2002
Posts: 809
ChatMaster - 750
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ChatMaster - 750
Joined: Jan 2002
Posts: 809 |
I use Castrol 140, eguivalent to 600w. I've ben using it for near 40 years, oever 100,000 miles in all my Chevs. I buy a 5 gal. drum which makes it pretty cheap. According to Castrol, they haven't chaged the recipe for many years.
Chris
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