Recently I swapped front callipers (and part it's mounted on, sorry don't know the english name of it) on my '97 Civic (6th gen). I changed them to bigger than I had, which came from '95 CRX.

Anyaway, the problem is that right front wheel brakes harder than front left.
If you break harder you can feel car pulling to right, if braking harder on slippery road, right front wheel will lock up much sooner than front left.

When I changed calippers, etc, also was changed mastery cylinder, brake servo, piping for brakes.

Anyone got idea why is this happening, or how to correct it?

Rotors and pads were new, and since change I made about 2000 miles.

 

might be a bad proportion valve

 

AFAIK, proportion valve was left that I had before. Before calippers change it braked normally (didn't pull to any side), so I a bit doubt it might be it.

Any other ideas?