One thing to bear in mind re nodding front is the main spring hub rebound spring set up. My 4/4 does not suffer any nodding with the hub just kissing the rebound spring. (At one person up load)But big but, the front often ( all the time) crashes over most pot holes speed bumps etc. This is because with only 90lb main springs & only 21/2” inches of movement the suspension “bottoms out” & I guess hits the stops within the avos or goes coil lock. I am told the factory just went for weaker springs to try & soften the ride. Unfortunately as in the posts above suspension is much more complex art. Hopefully at some point fitting firmer main springs will help the front as my rear suspension is fully sorted thanks to Roger’s progressive bump stops.
