well. I have no problems with ABS. But I have used many figurations until I did this one:
Hotend 270 degree C
Bed 115 C
Filament speed 292
Infill 0.15 - 0.3
Everything works like a charme. My 3D printer is a RepRapPro Mono Mendel. with Melzi board.

Regards
Torben