The steel has more thermal mass, lower thermal expansion and will be more rigid, but aluminum has better conductivity. I haven't been doing trackdays, but I've been fine with just an upgraded pad on the aluminum calipers.
"Capitalization is the difference between helping your Uncle Jack off a horse, and helping your uncle jack off a horse." "'she' also likes to swap since I think I am going to need to give her to woody again." - Dvlhntr "full alphabetic boost mode" - ChristopherTheOne " Purrs like a sexually satisfied black panther." - BigTDogg "Two oil eating, angry, spinning triangles of death." - turtleboy on rotary engines
