They came with a B18B, and I would not turbo it with the auto. Mainly because there is no good way to tune it with boost.
obd1 is good
If you look hard and take a chance you can get some deals. The car will be 1000X better with a stick. take it step by step. after the 5speed then we can get into boost. around 250whp Daily driven on pump. 10psi you will have a hard time not spinning the tires. stenzel went 12.6 on somthing similar