I have a friend that tried DOT5 in his Camero and never could get rid of the spongy feel either. Joel in Keller, TX (DFW area) '66 Corsa w/air '63 Greenbrier 4spd '63 Greenbrier 8dr 4spd "Bob" '63 900 Convertible 4spd '67 Monza 4spd Posi '62 Monza Wagon PG 15 others