Let me add something to this issue of the AC towers. I have them as well and there is another problem that may be a factor with bottoming out. When attaching the TRF shocks, the top part (shock cap) sits way back as compared to the location of the lower part on the arm. If you hold the buggy up in the air or on a car stand and compress the shock it wont allow the shock to full extend the arm back to the fully bottom positions which in turn leaves a huge amount of unused travel and hence impact absorption from jumps.
So...to remedy the "stiction"" problem with the suspension I scrapped the plastic upper shock mounts and went for the ball studs that allow a screw to be threaded through them. The aluminum ball end allows for more free movement when the shocks compress and decompress to allow for maximum travel. Also, you must add a few spacers between the tower and the shock cap so that the shock sits more inline with the lower arm, otherwise, as stated before, the top will sit too far back and not allow the shock to fully decompress which leaves the front arm at 50% travel. What I did was use 2 steering bridge bearings, but any spacer will do, I dont remember the exact size, and put them between the tower and the shock cap. then screw it from the back as usual. Im not sure if I used more spacers, but I made sure that the shock sits in line with the lower arm so that it allows for free movement during compression and decompression.
To test this, just keep adding small spacers until the arm is allowed to move freely upwards and downwards without binding. Now this issue, as far as I know, only arises with the AC towers. Im not too sure about the stock towers as Ive never used them being that my DB01 is heavily modified, like Dimblums. Í will post pics soon.
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