I know its your car mate but personally, looking at all those nice goodies you've bought, like the refurbed turbo and the management system, I'd rethink the work you've done on the inner arches and take your time. Its looks like your rushing to put nice bits on a tatty car

There's no need to hand brush it, even aerosol cans do a good job. Here's a pic of what I think is pretty impressive from an aerosol can and laquer in his garage, done by a lad called Ben...