Search results

  1. D

    Vortec upgrade to 89 5.7 L reverse rotation motor

    Hi, I've got a 1989 Mercruiser inboard with a REVERSE rotation 5.7 L 260 hp motor. Its got a one pc main seal and hydraulic flat lifters. It also has a Quad jet carb that I would like to keep. I would like to know the following. - good source for rebuilt Vortec heads and do I need a hardened...
  2. D

    89 5.7 mercruiser inboard no start, compression all over the place

    I just bought a project boat with an 89 merc inboard 5.7 liter. Boat apparently ran within the last year or 2 but story I got was one day it just wouldnt start. no start but turns over with spark. Checked compression and got the following. cyl 1 140 psi 2 0 3 30 4...
Top