Sounds more like a technique issue to me... the best climbing position is usually right over the nose of the saddle... ie: not standing up completely. You want to balance the weight between the two wheels, so differences in geometry will require differences in your climbing position. Think about drawing a line from your crotch to imaginary level ground. Now get that line between the wheels on whatever incline you are climbing. Shift _slightly_ back if you need traction. On super steep stuff, this may require a very forward position, well in front of the saddle. Most of the time it isn't as extreme.
All else being equal, short effective chainstay length often results in _more_ front wheel lift, as the center of mass is closer to the axle. I think the big difference you are feeling has to do with wheelbase. Measure it. A shorter wheelbase is easier to distribute the weight evenly over, and is a little more forgiving concerning climbing position.
All else being equal, short effective chainstay length often results in _more_ front wheel lift, as the center of mass is closer to the axle. I think the big difference you are feeling has to do with wheelbase. Measure it. A shorter wheelbase is easier to distribute the weight evenly over, and is a little more forgiving concerning climbing position.
