got a 93 integra rs 5 spd with it constantly stalls when its in gear and try to accelerate , but when theres no load i can rev it to 4000-5000 rpm and wont stall at all. checked my fuel pressure and its within spec, 3 month old distributor( not a rebuild, new ) ,6 months old 1st line ngk plugs n wires, 50k on timing belt n w/p , cleaned throttle body.. what you think it could be .