will a 4.0 fit in a 3.0 ranger if so can i use my wirin harness and radiator and ect?
I don't know if it will fit but if it does, you definitely need the 4.0L wiring harness. I would think that the radiator would have to be larger to keep the larger engine cool. More horsepower = more heat.
Search Car Customization Questions
Car Customization Experts