Originally Posted by
Revved
Another option is upgrading batteries. I'm not familiar with the layout on your truck but with the Slash we can run 7 cells or 6 cells and there is a noticable difference in the speed between the two. I know budget is a concern but maybe stepping up to LiPos would give the speed he is looking for without upgrading hardware and they can be looked at as a long term investment in the toys.
His car is already running LiPo's in a saddle pack configuration.