I have had my TC6 now since the Euro release back in November (I think) but held off my initial impressions until I had sufficient track time to judge it.
Now after my first big event last Sunday I can safely say that this car is truly excellent.
I ran a TC5 for 2 years and eventually got it setup so that it did approximately what I told it, however I never felt 100% confident in it and it always seemed to lack rear grip.
So then I got the TC6 and set it up in kit settings and took it out at my local club where we run rubber tyres on carpet with no additive. I immediately felt like it had better corner speed but the lack of rear grip was still there! I turned my steering down on the transmitter and it was better but still tended to break rear traction on high speed corners.
I then changed to Keven Heberts setup, but with a long rear upper camber link as I like the long link, and felt it was probably the main factor in the increased corner speeds. I actually felt this setup felt pretty similar to the kit setting, with still too little rear grip, so I went for the shorter rear camber link - NOTE: If you want to use the 6 holes on the shock tower then you need a different turnbuckle than the kit one, you cannot make the kit version short enough, major pain. - This was immediately better.
I still wasn't that happy, so I decided to try Olly Jefferies' setup, as he has been tearing up the UK scene with his TC6. The main differences seem to be 6 degrees castor - NOTE: 6 degree C hubs do not come with the kit, you have to buy these - and an angled front wishbone to compensate. He also uses the shorter rear camber link. This setup is amazing in my opinion, it suits my driving extremely well too, the corner speed is amazing, initial turn in is so direct and the rear is planted.
With this setup I have probably found a few tenths over my TC5, maybe even 0.5s. Sheer lap speed is nice but the best thing is probably the consistency this car has, you can turn your fastest lap every lap, it is just so smooth and reliable, you can easily improve your times by 10s over 5 minutes with this over a TC5.
I currently run diff front and rear (ball diffs), as the kit comes with enough parts to make 2 diffs, or one ball, one slipper however if you want to run a spool I think this setup will be just as good, since there is so much turn in, you can afford to lose some with the spool.
The setup is here: http://www.cmldistribution.co.uk/pro...lly_ardent.pdf
If you have a TC5 and are thinking of making the switch, don't delay! You will be a couple of positions better off I can guarantee it!
Well done associated, the car doesn't look so much different, and I don't have to buy a new box of spares but it sure can go some.