Personally I hate red and blue combo, but changing to blue is jsut sooooooo common....

Dave (YUM Escort Cos) engine bay is the tits I reckon as blue and yellow go beautifully (proper bright banana yellow tho)

But if it was me I'd get one of Gaz's polished/chromed covers with the lettering set in black - or even better, powder coated black cover (with the powder coated texture) with lettering in polished finish Gaz is the bollox