Underground Racing Twin Turbo R8 V10
#9
I honestly suspect that neither of them would. Underground isn't taking any shortcuts. These cars are modified properly to handle the power over the long run.
#10
Yeah, that was my thinking . . . this is far from their first TT kit, they've been fettling with V8s and V10s for many years now. I would have to imagine any reliability issues would be long since sorted out.