Search results

  1. Z

    GM Inline 4 or MCM ??

    Can anyone tell me how to tell the difference based on casting numbers? The torques specs differ and i dont want to do this reassembly twice.. Thanks to Don S., I have determined that it is an 1984 140hp.. The block has a 7 digit casting number with no letters and it does have GM cast into...
  2. Z

    MC 140R Head Gasket

    Can an automotive gasket be used for this engine? The FelPro Marine head gasket is 48.00 but a NAPA automotive head gasket is 10.00..?? Thanks in advance.
  3. Z

    Identifying MerCruiser 120 or 140/Specs

    I was given a boat in lieu of auto repair payment and, of course, it needs motor work. I am an ASE Certified mech, but need help in identification for parts and torque specs. I offer the following: Tag # (at starter bellhousing) 6805443/Block casting #2770087/Head casting #2776954/ Carb...
Top