i dun kno if this will help, but mine bogged alot too, i have a b16a2.....i changed the pcv valve and it doesn't bog as much now, only when i try to floor it, i was suggested to change my spark plugs, also fuel injectors (? maybe) and distributor...might wanna check those out, but try the pcv valve first...hope it was a lil help


edit*** it only bogs in first gear for me now