engine swap
 

what will be my headaches when swapping a 98 4.0l into a 86 bronco2 chassis. Has a 2.9 now and injected What harness will i need and wiil the ecm from the 98 run on the 86 harness

I am trying to put a 302 auto. overdrive in my 1935 ford 2-door slant back what will I have to do to make it work without cuting the car up can yall let me know