have a 4.0l i think it a 93-94 was rebuilt about 5 yrs ago about 10000-15000 miles started to knock pulled it a left in the corner of the garage on a stand a never messed with it again. bigger cam don't remember what it is but ran strong for a while. to long on the rev limiter i thank and it started knocking have no idea what happened or what it would need but it's free come and get:woot::woot.s just the motor has head still on it and oil pan no brackets or anything