Tell him to stop revving it up and dumping the clutch- problem solved.
Yes, new bushings and shocks may help, but some suspension designs are prone to wheel hop. I don't know what kind of spring pack that truck has, but if it's possible he could clamp the front of the leaves together to stiffen them and keep them from wrapping up.
__________________
1966 GTO
1969 Lemans Convertible- F.A.S.T. legal family cruiser. 12.59 on G70-14 Polyglas tires. 1.78 60'
1969 Bonneville Safari- cross country family cruiser. .
1979 Trans Am 400, 4-speed, 4 wheel disc.
View from the drivers seat racing down Atco Raceway-
http://www.youtube.com/watch?v=GhYDMdOEC7A
Ride along in the other lane-
http://www.youtube.com/watch?v=mIzgpLtF_uw