Hey there friendo's, I have a question regarding an engine swap and im hoping some of you guys will be able to help me out. so Im starting a 2V swap into a ford ranger. The engine and trans came from a 2001 Mustang GT. unfortunately it did not come with an ecm. im looking at just a used computer to run it but my parts dept says there are two manufacture codes for the ecu in that model year range. 1R3F-LB and 1R3F-LC. Does anyone know the difference? Both are for Auto Trans. my setup is the...

4.6 SOHC 2V Swap