OMFG this post is going no where... a b20 is the same as a b18..if your gona want to get anywhere go with a b18, be it a, b or even c, the b20 is the sameas a b18...the MOTOR does not matter whether its from an obd1 or 2 car... ok? just use a zdyne ecu or a pms to tune it... you then dont need a gas tank sensor..