Quote:
Originally Posted by Robbiejuk
They will make a load of difference, trust me. Just make sure when you are building it tighten a bit at a time and testing it for slip, otherwise if you don't do it gradually and tighten it right up an then back it off it will force the balls into the diff plates and pit them making your nicely flattened plates worthless. Also make sure you do a decent run in on the differential before you hit the track.
With regards to the spring an nut, I have never had any problems but if you do change the spring make sure to compress it with a pair of pliers a few times before you stick it in otherwise you will have a diff that you can't tighten anymore but will be constantly slipping on track. The thrust bearings are fine as long as they are properly lubricated.
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Robbie is spot on,
black moly grease on the thrust bearing & when building the diff, you want to tighten it just enough that the diff itself doesn't slip. put 2 screwdrivers or bars through the outdrives to hold them in place & see if the diff gear can rotate by hand & keep tightening a bit at a time until it won't slip.
Also ceramic balls are the way to go as is some sanding down of the diff plates - some people say wet & dry with a drop of toothpaste also works on the diff plates & also the slipper plates. more so on the diff plates as they are pressed, so come out slightly concave shaped, it's only a smidge (not even enough the eye can probably see) but it's uneven enough to upset the diff.