^not concerned at all. He gets a kick out of it. Kids love it. Hot rodders are like "Cool". Ricers are like "Holy Sh*t!", Porsche club members turn their nose up. He's just being a kid and having fun with it.

Here they are back in the stable ready for bed.
20120318_143759.jpg

And a video of the Landshark for those that might appreciate a hot rod... that handles like a Porsche.
434 SBC Airwolf Heads PowerJection III.wmv - YouTube