Just picked up a lightly used eb48.4. Wanted to switch over my 8th scales over to Tekno and this buggy makes the final completion. It seems like the only upgrades these need are the Ti coated shock shafts. Am I correct in this thinking? I did notice that the NB48.4 like the front and rear universals. I am itching for our weather in the north east to break so I can get out and put some laps on these things.