Category Archives: Tech Tip – Arms, Hubs, Shaft…etc

On older cars the ball joint is very easy to have play and get loosen due to wear and tear. One easy thing you can do is to wrap heat tube around it if you do not have small rubber O rings handy.

If your dog bone shafts are easy to fell off, one temporary quick fix is to use heat tube around it if CVD shafts are not available. For this to be effective the hub must be wrapped.  

My Kyosho Optima has its front left dog bone missing in the wood. I don’t have any spare part for it. However, I do have a slightly shorter shaft (about 1cm shorter) from another car. I also have some extra shim washers and slightly longer shaft cups. Because the replacement… Continue reading →

As seen in the photo, the screw that holds the oil damper is broken, with the broken part stuck inside the screw hole of the lower arm. Drilling through it is not practical as it would damage the plastic structure around the broken screw. A better way is to cut… Continue reading →

If you change the stock suspension settings (damper, mounting point …etc) you may need to check and ensure the dog bones are stilling doing good when spinning. At each end (or on at least one end) of the dog bone there has to be room for “float” and flexibility. However,… Continue reading →