Ive tested right away that and the shaders using bump map, spec, cube work great now but those spec, cube shaders are still very messed up.
I confirm this! The cubemap shaders that do not use bump mapping, have still issues with reflections.
The reflections are strange. I test it with Skip Barber at LRP, and every time I pass the start/finish line, I can see its reflection on bottom part of the small windscreen and upper part of the cockpit. Also I can see the left hand side white track line on upper part of the cockpit.
I noticed also reflections flickering. Reflections sometimes are getting brighter and then they are getting back again to normal when I change viewing angle a little bit. It looks like it depends on viewing angle, but even small mouse movement in free cam mode can change reflections drasticly. This issue is more or less visible depending on fresnel settings.