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04-21-2013, 12:43 PM | #1 |
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lube for trans and rearend
I imagine that this has been covered before, but I am new to the '40 Ford. What lube should I use in the trans and rear end. Also, what is the best weight oil to use in the '51 Ford flathead motor?
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04-21-2013, 02:40 PM | #2 |
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Re: lube for trans and rearend
140w in trans and rear end as per motors manual. use any major brand 20-50 detergent oil, now your going to get people saying use 600w oil in trans and rear end, but 600w does not have anti foaming agents, anti acid agents, anti moister agents and anti wear agents, that is an oil that was formulated 100 yrs ago and cannot compare to any modern trans and rear end oil
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04-21-2013, 03:27 PM | #3 |
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Re: lube for trans and rearend
I went through this last year. The general consensus was for the trans and rear, use 140W. I use Lubriplate 140W from Restoration Supply Co. in Escondido, CA. 800-306-7008. It runs $17 a quart, so don't spill any.
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04-21-2013, 03:34 PM | #4 |
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Re: lube for trans and rearend
so 90w is too light? Ken
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04-21-2013, 03:59 PM | #5 |
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Re: lube for trans and rearend
90w for trans if you live in real cold country, 140w may make trans slow and hard to shift untill the oil has warmed up
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04-22-2013, 01:26 PM | #6 |
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Re: lube for trans and rearend
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Any lube is better than none. |
04-22-2013, 05:03 PM | #7 |
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Re: lube for trans and rearend
I use 600w steam cylinder oil. I got a barrel of mobil 600w years ago from a steam friend of mine who wanted to start using a compound oil in his steam engines. That's the stuff Henry used. I can't believe they are getting over $7 for a quart. When you pour it out I'll bet 1/3 is still in the plastic bottle!
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04-22-2013, 06:00 PM | #8 |
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Re: lube for trans and rearend
Ford used 600W up through the model A days but went on to the SAE stuff when the standards got recognition. None of the later manuals or service bulletins mention the 600. There was no standard associated with the 600 but it was likely near the SAE 140 or above.
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04-22-2013, 06:37 PM | #9 |
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Re: lube for trans and rearend
600 shouldn't come near a spiral geared trans...for this just look in your owner's manual or a Ford service manual. They specified 90 or 140 based on temperature, and the 140 should likely get the nod if trans is a bit loose with age.
The same numbers Ford called for are still at the car parts stores, and the modern ones are presumably vastly better than those available 70 years ago. Spiral gears and then the even more stressed offset gears brought in all sorts of additives and lube tech and you sure do not want anything that Ford dumped as soon as the formulations for modern gears came out in '32! |
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