I run an '07 in VTA. All I use for battery mounting is HUDY tape, one piece longways and another from the top plate, across the battery and across the bottom of the chassis, with the battery sitting square with the chassis. I have the alunimum c hubs, steering hubs, and rear uprights. Its hit walls hard alot and I've yet to break anything, so that may be something to look into.
The ECS front shafts and the V2 C hubs would be good money spent. Spool in the front if you run carpet. White springs on front and yellow rears work well for me with 35w AE oil all around for large track. The T2 chassis are good for VTA and run well when set up
Pemberton SJ27 / Tekin RS / Cooper D4SS 17.5 / EAM 5000 / Futaba 9551 / 17.5lm
Pemberton SJ27 / Tekin RS / Bullet 13.5 / EAM 5000 / Savox 1251 / 13.5 Pro EDM
TLR22 / Tekin RS / D4SS 6.5 / Futaba 9551 / ORCA 6000 /SCMOD,
F14 carpet Oval Chassis too!