I came across this internet magazine version of Modified Mustangs and Fords which has some better than average coverage of the Y powered cars that were running at the 2010 Ford Expo (Y Shootout to those in the know).
http://www.mustangandfords.com/eventcoverage/mdmp_1102_nmra_2010_y_block_shootout/photo_16.html
http://www.mustangandfords.com/eventcoverage/mdmp_1102_nmra_2010_y_block_shootout/viewall.html