i have a b16 in my 95 hatch. when i drive my car, sometimes my speedometer dont work properly and sometimes it works perfectly. when the speedometer does work, my car feels like shit. sometimes when im driving, as i accellarate (when the speedometer goes crazy) i can see the rpm drop to about 0rpm and it makes my car bogg and not move. so i accellerate slow and shift into other gears to just get it moving. i have no idea whats going on, please help with any suggestions!! i just changed cap and rotor from a gsr distributor. stock usdm p30 ecu running a stock jdm b16. cels i have are 10, 20, 41.