UPDATED//////////// ////////////after about 20mi this is what happens.when i look at the sight glass at idle its perfect as far as level and no sign of bubbles.then when i rev it the bowl fils completly with bubbles like its boiling.but according to my IF therm. the bowl and all the lines including the itake man. all only at around 124 deg.,gas boils at 170.there are no apparent leaks in the system, this is the front bowl.i cant even make it to the trak. //////////////got some clear hose and did the pump in the can trick,tons of air bubbles frome the pump.took the pump apart its like new and shows no sign of leakage,replaced all lines going from tank to pump.still tons of bubbles,what do ya think? mabey a crack in the pick up?