P.s.: I was thinking it would be lovely to be able to download these old COLVIN cars although that famous GTR2 grid site has been "switched off" in reason of GTR2's "old" age.
Perhaps with some luck most of these can be found somewhere else - or, being somewhat easy to redo, they can be made from scratch once again.
EDIT: a quick search on the net made me discover there are currently two 575 Barron Connors Ferraris for the 20014 ALMS series, and one had been realised by TICTOC himself. Both of them are available in No-Grip. There is still plenty of resources.
P.p.s.: there is even a specific-ALMS mega mod available at NAGP. But that cover the years 2007-2010.