firing order and diagram
Hello ssn679agang-- For your 1990 Ford F150 with the 5.0 engine, your firing order is 1-5-4-2-6-3-7-8. The distributor rotation is counterclockwise. For a diagram of this, go to this fine site-- http://autozone.com/servlet/UiBroker?ForwardPage=/az/cds/en_us/0900823d/80/0a/18/d2/0900823d800a18d2.jsp. Have fun! Good luck from Bovan.
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