No, you can put an obd2 motor, but then you have to convert the whole evap system to obd2 if the car is obd1. And also you can't convert and obd2 motor to obd1, thats what i heard. Well I'll go with the gsr longblock, and put my ITR head internals into the gsr head, i'll do arp head and rod bolts too... I think it'll be pretty sweet. Also is there a way to use my ITR throttle body on a gsr manifold??