Mm. I know I like my shots to have deep shadows and quite a bit of contrast (even then sometimes I feel I'm on the limit of ruining some photos), but I feel yours are taken a step too far. The first shot you showed us was a prime example, the only really clear elements of the photo is the bonnet and headlights, you've lost a load of detail in the front bumper and around the rest of the car. I also agree with Syntax, the panned Camaro is actually really good, (not sure about the orange-ness to it but I can live with that), the only is that I really feel I need to see the back of the car in the shot too. But the shot itself looks lovely and crisp.
My favourite, out of the Ferrari's anyway is the second image of the Scud in the second post. If it didn't have that slightly over done orange-ness (and perhaps a bit too much vignette? I can't tell it might be just playing around with the blacks) it would be pretty much perfect in my eyes.
Anyway, keep posting more stuff and if you can, try and get involved in the competitions. I think it'd be good to see more people entering them. Oh and welcome to GTPlanet 👍