i have s14 headers on mine its fine just use the s13 o2 sensor and get a plug for the second one where the 1 pipe (i mean by 4-2-1 style) and your good
ok, I have a 92, and i can get a 95-98 head with cover, intake, and exhaust and it will bolt right up, what about the connections? wires, ecu... all that good stuff
if your car is obd1 then you have to use your stock manifold because the obd2 copnnections wont match up thats what i had to do for my swap, the blocks are the same but the only difference were my distributer and manifold