Also considering just switching to the
Pro-Line Trencher 3.8" All Terrain Front/Rear tires. They are about the same size as the rear Baja 5b; 6.88 vs 6.89 but a bit wider, like 3.43 vs 3.3 (or 2.6 for the fronts). Should be a bit lighter then the Baja tires and they run on the standard 17mm hexes, which are dang cheap. Won't get the staggered width size thats the "buggy" look, but oh well.
Still, need to get either a 4mm, or perferably a carbon fiber, chassis instead of the 5mm; think the latter is overkill and adds too much weight.
Some other thoughts would be to run something like
http://www3.towerhobbies.com/cgi-bin...?&I=LXWSY0&P=7 on at least the rear end to keep it from dancing around; would go with the HPI suspension kit, but you really can't get spare parts for it without buying the entire thing again.
Be nice though to get some front/rear hub carries that can handle a 24x12 bearing, then just run the
http://www3.towerhobbies.com/cgi-bin...I=HPIC6488&P=7 rear axles from the Baja; would just need to have a new dogbone that had a 11mm ball on one end for the diff, and 15mm for the axle on the other.