Message: i got a 1988 dakota with a 2.2 4cycl with a overhead cam 5spd tranny 2wd blew a head gasket replace it & put on a used head when i had it apart move crank so retime it no good recheck timeing,fireing order,some other things no good backfires through carb someone said may have to degree the cam since i replace the head anyone have any ideas thanks no i cant degree the cam