Just for kicks i decided to purchase the Vaterra GTR RTR for my kid as he is a serious GTR lover!!
USGT/VTA is starting to pick up at our new indoor facility and i like a challenge so i decided to see how much work it would take to get the car competitive so here is my story
I am a fan of shaft drive for low power as it is more efficient then belts so this was a plus. The kit is a nice step out of the box for realism while still having some of the needed options to compete well. True double wishbone suspension large oil filled difs, caster adjustment and adjustable droop. However there are a few things that i was concerned about and that was lack of height adjustment with shocks, grease dampened shocks, no camber adjustments possible and no roll center adjustments. Later on i also realized that even with optional speed gears you can only get down to 5.13 FDR which is no good for 21.5. I can deal with the other issues but the gearing had to be attacked first! i designed and machined a simple spur gear adapter for it and my FDR is now 4.13 using and 88spur and 54pinion.
The suspension arms are beefy and i dont think they will be an issue unless of course you are running into curbs with modified motors! At this point i have not had any issues with anything quality wise! i like the suspension design except for the lack of camber adjustment but once again it has not been an issue it comes set with -1* front and -1.5* rear which is where i usually set my cars to anyway.
The difs have metal internal gears and plastic external gear, they are a large pitch but are quiet and strong. the difs come with just a small amount of std grease in them. I cleaned them out and went with 200k in the front and 1500CST in the rear. the brakes are a nice touch
The shocks are actually a clever design, they are grease dampened but locked so they will not twist. They come with some sort of green grease on them but i felt it was under dampened so i started off with Kyosho 30k grease and then installed them upside down so the grease would stay inside the shock!
The kit tires and springs are very soft which works excellent on asphalt but on carpet it was too edgy and very hard to drive. I now have the USGT spec tires on it with 2.6# front TC spring (they do not really fit right but luckily the ride height is the same with no collars).