hi i just bought a 92 civic si it has a b18b1 and gsr tranny couple of questions i have is about where does the thing red line the speedo reads about 10 miles quicker than actual is that because of the swap? would an ls ecu make the car run better? i have a fueal air gague that i thought was broke because it always read rich but now i think its right it back fires is there any way to fix that and any input about the car would be great! the car i think is close to fubar but a buddy says tears blood and sweat may be this cars only hope please help