Originally Posted by Joost K.

Small correction there Robert, even with a "zero-tweak block" you have to check the car for tweak. After a serieus race with or without crashes the car can be tweaked and therefore you need to check if the chassis is still straight. The only advantage of using a zero-tweak block is that if the car IS tweaked, you know that there is something wrong other than just a bruised T-bar.

And yes, if you get into a sidewall crash. That is killing for T-bars (and I am very experienced with that ;-) )