1986 Mercruiser 170 HP engine rebuild 

Minnesota Vikings painted and rebuilt engine. From start to finish how to video for what was done during rebuild. 1986 Mercruiser 470 with 170 HP 224 cubic inch 3.7 L. Completely rebuilt after rust and neglect consumed it for several years. Motor came out of a 1986 Celebrity Calais 18' ski boat. Watch until the end for the test start and run!