inflator's are legal for the 2 wheel drive open entries,another reason not to run a 4WD (besides expensive drive tran,short wheel travel,small tires,ect)
Robby could run the current body as a GORDON and what ever engine.As Nikal mentioned, they call cars by what ever the team calls them.
on the previous page,I note the 6.1 is aluminum blocked.The V10 sounds like all that,but it doesn't fit the package.How heavy is a v10 crank?Not happen'n.