NASCAR to allow qualifying engine cooldown units on pit roadCopyright 2014 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.SI Staff|NASCAR to allow qualifying engine cooldown units on pit roadShare on FacebookShare on XAdd us on Copyright 2014 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.Published Mar 11, 2014SI STAFFShare on FacebookShare on XHome/Racing