Its just idle banter and chit chat with other pilots
Gotta say your seeming obsession with this takes it somewhat far from idle banter and chit chat.
Interesting, though, what that piece says about modifications, maintenance and race speeds but it's not even as if the Ghost was the fastest ever P51 Reno unlimited. I think that honour goes to Strega, but maybe they're more conscientious or professional or whatever you want to call it.