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Re: Cornhead grease?
glenns towing #1332734 Wed Nov 06 2019 11:44 AM
Joined: Sep 2001
Posts: 30,582
ace skiver
Here are other "handy" sources (mentioned above) of the specified 00 grease:

Walmart for $13.59. You might have to wait for it, but shipping to store is free (qt size container).

And, if you can wait, that same qt size container/product for $5.49 from Tractor Supply.


Tim
1954Advance-Design.com [1954advance-design.com]
1954 3106 Carryall Suburban [stovebolt.com] - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic [1954advance-design.com] - part of the family for 15 years
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engines are not "splash oilers" - this is a splash oiler. [chevy.oldcarmanualproject.com]
Re: Cornhead grease?
tclederman #1333533 Tue Nov 12 2019 11:15 PM
Joined: Dec 2013
Posts: 893
Shop Shark
Tim,

Where did you find the GM spec for steering gear grease?

Originally Posted by tclederman
Cotton Pickers: 00
Corn Head: 0
GM spec for steering box grease: 00


Andy

His: 1947 Chevrolet 3104 [flic.kr]
Hers: 2008 American Saddlebred [flic.kr]

"I proudly Stand for the Flag and Kneel for the Cross" Unknown
Re: Cornhead grease?
glenns towing #1333540 Wed Nov 13 2019 12:32 AM
Joined: Sep 2001
Posts: 30,582
ace skiver
Long ago (around 2005) there was a discussion of this on oldGMCtrucks.com

The conclusion was that Penrite Steering Grease was the equivalent of the GM part number: Part # 1052182. This hard to find, but it is available from a few USA vendors.

I think that a member also found a GM reference to 00 grade grease being the spec for roller-bearing steering gear boxes.


Tim
1954Advance-Design.com [1954advance-design.com]
1954 3106 Carryall Suburban [stovebolt.com] - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic [1954advance-design.com] - part of the family for 15 years
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engines are not "splash oilers" - this is a splash oiler. [chevy.oldcarmanualproject.com]
Re: Cornhead grease?
glenns towing #1333548 Wed Nov 13 2019 01:08 AM
Joined: Dec 2013
Posts: 893
Shop Shark
Thanks for the information and history lesson too!


Andy

His: 1947 Chevrolet 3104 [flic.kr]
Hers: 2008 American Saddlebred [flic.kr]

"I proudly Stand for the Flag and Kneel for the Cross" Unknown
Re: Cornhead grease?
tclederman #1333568 Wed Nov 13 2019 02:32 AM
Joined: Aug 2018
Posts: 276
D
Shop Shark
Good info from Tim.

Interestingly (at least to me), the Penrite fluid frequently cited by the various antique car clubs does not meet EP standards, but their own published specs (and it's costly).

Many of the locally available semi-fluid "00" greases also have inferior wear-related specs or use a base oil viscosity that is, IMO, too light at about SAE 30 equivalent (including the Super "00" by Smitty's, the Cotton Picker grease available at TSC, Champion "00" from Ecklers, and especially the greases that are marketed for small equipment like the Stens "00").

Many folks use and like the Corn Head grease from J-D, of course (which is a bit thicker at NLGI 0), but J-D only publishes one of the three more critical wear-related specifications, and doesn't list the base oil viscosity, so it's frustratingly hard to compare to other industrial NLGI 00 gearbox greases (roughly same spec as the NLA GM grease), from Mobil, Chevron, and Shell. I don't see anything wrong with the J-D product, but it is a grade heavier, so won't flow quite as well as EP 00, especially when cold.

I settled on Chevron Delo EP 00, due to thoroughness of the published and superior specs (base oil viscosity equivalent to SAE90 gear oil and great wear specs) and local availability (Mobil, Shell, and others have equivalent greases - just harder for me to source and in a couple cases more expensive), the main downside of which is that the minimum direct-buy container is a 5 gallon (35 pound) container on any of these.

[As a result, I have excess Delo EP 00 well beyond the needs for my projects, which I have made available repackaged at my cost, in either standard 14 oz grease cartridges or 1 quart jugs, in the classifieds. If any one is interested, search for semi-fluid steering gearbox grease, and take a look. If not interested, that's fine. Specs are listed in the classified ad thread.]

I've pretty thoroughly researched the various greases (probably disclosing my engineering background and a bit of OCD), so if anyone wants more conversation on the specifics, feel free to send me a PM.

Doug


Last edited by drdoug; Wed Nov 13 2019 02:32 AM.
Re: Cornhead grease?
glenns towing #1333607 Wed Nov 13 2019 03:18 PM
Joined: Feb 2000
Posts: 4,193
J
Shop Shark
On my truck, the exhaust pipe is pretty close to the steering box, so cold weather driving doesn't concern me. The gear box will warm up relatively fast due to the exhaust heat, I suspect this helps year round and keeps the grease in a flow-back state most all the time.

Re: Cornhead grease?
glenns towing #1333822 Fri Nov 15 2019 12:40 AM
Joined: Sep 2013
Posts: 1,066
M
Shop Shark
How many tubes of appropriate grease to fill a 3100/3600 gear box? I know mine has the original fill. Need to dig out all I can, perhaps flush with diesel and then suction out the remnants and refill.


1951 3600 with Clark flatbed, T5, 4.10 rear
1970 340 Duster
1990 5.0 V8 Miata (1990 Mustang Gt Drivetrain)
1951 Farmall Super A



Re: Cornhead grease?
glenns towing #1333828 Fri Nov 15 2019 01:43 AM
Joined: Aug 2018
Posts: 276
D
Shop Shark
Typically, one standard 14oz tube is enough for a fill. Two is safe, and gives enough for future top off, if needed.

I know diesel has been recommended for flush, and it will certainly work and do the job quickly. My preference when not in a hurry is just to use a good brand 75W90, which won't stay in long under normal circumstances, but will clean up the old stuff if you fill and drive it for awhile. So long as the gear oil and selected grease are compatible, all is good. Just keep a drip pan under the gearbox!

Re: Cornhead grease?
glenns towing #1377266 Wed Sep 16 2020 12:28 PM
Joined: Oct 2012
Posts: 111
D
Shop Shark
I have a 49-3100 that PO packed the steering box with grease. I have read some suggestions to flush the steering box and refill with 90W gear oil or corn head grease. My question is how would you flush the steering box? Thanks

Re: Cornhead grease?
glenns towing #1377274 Wed Sep 16 2020 01:27 PM
Joined: Feb 2000
Posts: 4,193
J
Shop Shark
You will need some solvent to break down the grease. Gasoline, mineral spirits, parts washer, stay away from water based degreaser due to there acid content, it can damage bearings if they are not compatible. Fill best you can, turn the wheel back and forth ( drag link unhooked for easy turning ) to stir the mixture. You may end up pulling the bottom cover or side cover if there is no drain plug so be aware you may need to make a new gasket. If the grease is clean inside, add a little gear oil, it will mix into a slurry, a 50/50 mix will be about right.

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