Guest will_c Posted December 30, 2007 Anybody know what the difference is between the Red and the Blue top pumps? specs seem exactly the same acording to this site facet pumps Share this post Link to post Share on other sites
Richie-Van-GTi 73 2 Cars Posted December 31, 2007 The blue top uses a less restrictive filter so is only reccomended for competition engines which get regular rebuilds and injector cleaning. Share this post Link to post Share on other sites
Guest will_c Posted December 31, 2007 same as a red top then. Its going to feed a filter king anyway. Cheers Share this post Link to post Share on other sites