I think the key phrase is here:
you'd try to stay true to the RPO
Try or not - we know they were previously running an LSA in the same Camaro we all know and love.
It will be a 4100lb behemoth. Fast though...
The only way it is cost-effective, is to minimize changes to the current model.
Suspension, fascias, hood, and engine.
And of course, Z28 badges!