engine swap

[half nut]

i did an engine swap from a 302 to a 300 six do i have to change computer box .and also can't figure out where o2 sensor plugs in on top .it's pluged in on bottom

[Conanski]

Originally Posted by half nut

i did an engine swap from a 302 to a 300 six do i have to change computer box .

Yes, and the engine wiring harness.. it's 6 cylinders instead of 8 after all, and all the sensors are in different locations.

Originally Posted by half nut

and also can't figure out where o2 sensor plugs in on top .it's pluged in on bottom

Not sure what that means. There should only be 1 connection for the O2 sensor in the harness.