For me its not worth the fiddling with to try and keep it on the bubble. But yet accept it for what it is and use it as a vauble tool to fine tune, adjust or test diff. in me and my tatics.
I'm gonan fiddle with mine a lil and see what it shows for a few fillups, but i agree it'll probly never be spot on and will always reguire a diff corrrection
smartzuuk 
Threaded Mode
