Thread: Front shocks wearing out on lifted vehicles.

Maybe it's due to the change in castor with the lift? Perhaps if you correct the castor it would straighten out the geometry of where the bottom of the shock sits? Just a thought, haven't looked at it in detail though.

I had this happen 3 times with my EFS shocks on a 2inch lift supplied by West Coast Suspension. They replaced twice with EFS again at no charge to me using washers, to help as suggested on this forum however they were developing their own range of shocks, which they replaced with on the 3rd time. I have not had a problem since. This is what Jim from WCS said when I queried why they were lasting when the EFS were not.

"We use a “bonded bush” and the lower bar mount has a ridge machined into the bar so the bush material has a positive bonding point to the mounting bar. To help compensate for the torsional forces.

I believe a lot of other shock suppliers (like EFS) just use a “pressed in” lower bar which doesn’t have any bonding and will eventually wear the bush and create movement of the shock eye on the bar.

"Redback" on this forum had the idea on the washers. I cannot find his reply to my questions from a few years ago, He is in the D3 forums now.

I think its inevitable. The damper bolts down to the bottom mount in a longitudinal position. So when the radius arm drops, its pulling the bottom of the damper back and down, which moves the mounting point off the horizontal. Having looked at mine at full extension, there is a helluva angle going through that bush. Not surprised on mine that it pulled it through the eye, and I would assume that the next one would do it too, with the same level of activity I have given this one.

cheers
Nick

overtym shock towers and lower shock mounts, about $220 all up plus shipping gives you 1/2' eye mounts top and bottom thus giving you a heap more options. Then you can go to Fox and not run bushes