That was my concern at first, but setting the site glasses to the very bottom at operating temp and then retuning the corner screws and idle screws solved my problems. Don't worry about jetting until after the carb is tuned and working well. If the carb is not feeding enough fuel under throttle then ease up the floats 1/4 turn at a time and test drive. If the engine stalls or tries to stall under off throttle or braking, try lowering the floats a little more. I also set me initial idle to 1000 before doing the tap on the accellerator pump trick that Don Gould uses. When I finally got the idle I wanted, I bumped the idle up to 1200. Make sure you have the correct timing set for your motor before doing any carb tuning. That's my .02 cents.
By the way, What engine cid, cam are you running?
--Mike