Originally Posted by
mtnbke
Using the right tools is important. Bending a steel frame introduces subtle handling variances. Making subsequent bends to get things aligned and straight is not the same as having unbent/untorqued seatstays/chainstays. Also when you spread the dropouts you marginally shorten the wheelbase of the bike. Things do change, and while 99% of the cyclists will tell you the bike handles exactly the same, the riding characteristics of the bike did change.
Pretty sure no one could tell their wheelbase has been shortened by ~.25mm. That's about 10 mils.