They drive well with original settings. It is easy to make them look good but ruin the handling for road use.
It does look the business though, and love them with the body coloured bumpers and skirts.
Watched it last night, and yes it was entertaining but predictable. Thought the cars held up rather well, when they said they were going a across the desert in a GC I was expecting some breakdowns.
Really sorry to hear this, was planning a service in the spring. I am sure someone with your talents will rise above.
As the saying goes when one door shuts another one opens.