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Old 02-16-2003, 02:39 AM   #1
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Default Diff tightness?

How do I ensure that my ball diffs are tight enough?

My manual aint specific about this, it just says "The differentials should be tightend until the gear can not be rotated when both of the diff hubs are held"

If I do as the manual says, the gear can be rotated, when the diff are mounted in the car and both wheels are locked. So I tghtend them more. But is it enough? They are still smooth.
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Old 02-16-2003, 05:32 AM   #2
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I always adjust the diffs according to how they feel in the car.

As a starting point, tight enough so they don't slip, but remain smooth, and don't spin too freely.
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Old 02-16-2003, 06:24 AM   #3
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Normally, after I build the diffs I use a pair of sisscors to hold the outdrives and then try to rotate the gear. It should be VERY difficult to turn...or not turn at all. When you put it in the car..hold down 3 of the wheels and try to turn the 4th wheel. You can expect a slight slip on the car...but its OK. Normally the tires will not generate without torque for it to slip when it is running.
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Old 02-16-2003, 06:46 AM   #4
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the way i check mine is, for the rear- i hold the right rear tire and spur- and with the other hand try to turn the lr tire forward, it should be very hard to do. for the front diff- i hold the lf tire and spur and try to turn the rf tire towards the back of the car. kind of confusing but with a picture it would be much more clear. hope that helps.
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Old 02-16-2003, 10:40 AM   #5
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Default Diff tightness?

Don't forget to break-in the Diff(s) after you have assembled or rebuilt them, then re-check and adjust if needed..
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Old 02-16-2003, 12:21 PM   #6
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whats hard to term. Thats where i'm confused at

when i chech mine by the holding tire and spur gear method it just torques up and clicks. Is that tight?
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Old 02-16-2003, 12:33 PM   #7
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The diff itself shouldn't click. It should be hard to make it slip, or impossible to move - don't force it too hard.
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Old 02-17-2003, 08:13 AM   #8
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Thanks.
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Old 02-17-2003, 08:21 AM   #9
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Warlord, are you talking about the belt clicking or the diff? What car are you using? If it is a belt car then it could be the belt that is slipping and not the diff.
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