for the oil cooler, the other engine has a 3 bolt attachment instead of a 1 bolt like my edge. also, my engine is in the car, when i came to installed the alternator, it look crooked when i look at the engine, tried many thing to make it straight but no luck, the belt look a little bit off too, that alternator only goes in one way, no play for adjustment. any idea what going on. thank guys, appreciate the help.