woodsy144
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| posted on 29/8/19 at 03:41 AM |
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Chain Drive Diff to CV Sealing - Need some advise
Hello Team,
I am trying to sort out diff sealing of a chain drive system.
I believe I have it all sorted except for 1 item, diff to CV sealing,
I don't want oil going down the spline and spewing out.
If anyone has done some work on this? Has some ideas? Pictures? Anything to assist my cause it would be greatly appreciated.
Thanks Tim
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motorcycle_mayhem
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| posted on 29/8/19 at 09:47 AM |
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Usual methodology to avoid the oil seepage is to remove the oil from the equation, easily accomplished using a Helical/Torsen/ATB differential filled
with grease. Of course, you knew that, but you've got an oil filled can.
Jedi used Mini output flanges either side of their bearing carriers for their oil-filled differentials. These contained both a plain bearing and
(importantly) an oil seal on the outputs. A bit of oil still generally weeps, some out through the welch plug within the Mini pot-joint outputs -
solved with a little epoxy around the plug.
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russbost
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| posted on 29/8/19 at 12:26 PM |
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I use the standard Toyota donor diff modified to chain drive, I simply have the open sides of the diff tig welded & a bung & grease nipple
added then fill the diff with grease. there's absolutely no need for oil, the oil is to lube the crown wheel/pinion which you don't have.
Obviously without seeing what you've got, don't know if that's a practical solution?
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woodsy144
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| posted on 29/8/19 at 10:21 PM |
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Hello,
Basically I have a torson diff, I have a 'can' around the main unit and a sprocket attached. Welsh plugs are used to seal the open other
side of the sprocket mount.
My thinking was grease wasn't as durable on the gears as oil is. Therefore oil is preferred.
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motorcycle_mayhem
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| posted on 30/8/19 at 10:16 AM |
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I'm guessing the Welsh plugs you refer to are there to stop the Leeks.... I'll get my coat.
OK, so if this is a Torsen/Helical/ATB type then Grease is the word, it's got groove, it's got meaning.
Oil is essential in a plate differential, useful in an open planet differential, but not so essential for the helical gear situation.
Of course, this is my own experience, worth nothing and should be taken as such, others are far more wise than I. However, Quaife ATB's filled
with grease have served me on the track for many years without complaint.
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