HAVE BEEN BOATING FOR AWHILE BUT THIS IS IST ATTEMPT. BOUGHT A 88 BAYLINER COBRA 18.5 WITH 125 US MARINE/FORCE FOR $400. HULL IS GOOD BOAT IS COMPLETE. THREW ROD SO CASE IS NO GOOD. BUT WANT TO REBUILD. HAVE SEEN GOOD PRICES ON POWERHEADS, BUT UNABLE TO FIND JUST THE CASE. ALSO AM FAMILAR WITH THE CHRYSLER,US,FORCE &MERC LEGACY. IS THIS WORTH REBUILDING OR SHOULD I REPLACE THE WHOLE MOTOR. BOUGHT THIS FOR A PROJECT/LEARNING EXPERIENCE. AM A BACK YARD 41YR OLD FORD MECH.