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Assembly in Cold Weather

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  • Assembly in Cold Weather

    Any problem in starting to re-assembly my engine in temps in the 30's?.........i.e. installing heads.
    Have ALOT of other projects planned for the spring and trying to get a head start.........
    '84 Grady White Offshore
    350 Mag w/ Vortec Heads
    Alpha 1 Drive

  • #2
    Originally posted by FreeBeeTony View Post
    Any problem in starting to re-assembly my engine in temps in the 30's?.........i.e. installing heads.
    Have ALOT of other projects planned for the spring and trying to get a head start.........
    'Head start'....
    xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
    The world takes on a whole new perspective when viewed from 100’ below.
    1972 Bertram ‘Bahia Mar’ 20
    2006 Mercruiser 4.3MPI (0W617679) w/Alpha One Gen II (0W829301)
    (Original - 1972 '165' In-line 6. Previous - 1994 4.3LX)


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    • #3
      Two questions
      1. Does the torque specification give you a temperature rating?

      2. Has torque wrench been calibrated per ISO?

      Unless your installing o-rings in the space shuttle, a no to either question null and voids your concerns about the temperature
      Last edited by dingbat; February 9th, 2019, 05:03 AM.
      ....

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      • #4
        Ayuh,..... My fingers go numb at those temps, handlin' cold steel,......

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        • #5
          It gets kind of cranky in cold weather, but piston on and ring up the parts and get that head start...
          Tom Boy Boat Project https://forums.iboats.com/forum/boat...s-what-trailer
          Rebuilt trailer project https://forums.iboats.com/forum/gener...r-back-to-life
          '76 40 HP Johnson rebuild https://forums.iboats.com/forum/engin...mplete-rebuild
          Minn Kota 599 Project https://forums.iboats.com/forum/boat-...ta-599-project

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          • #6
            You can do it for sure just fingers go numb as mentioned. In my younger days sure, getting to old for that stuff now... also usually need whiskey for my hot coffee vs cold beer.

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            • #7
              As long as the critical torque parts are at the same temp. at torque up, you'll be good. Steel and iron have nearly identical rates of thermal expansion. Fastener stretch on aluminum parts will be a teeny bit more when they warm up, but negligible compared to torque wrench repeatability.
              '96 Larson 174 SEI BR. 4.3LX 4 bbl Weber s/n 0F786604. Alpha One Gen II s/n 0F709315

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              • #8
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                Installed both heads and adjusted rockers today...........temp was high 30's(?).
                Got done what I wanted to!
                '84 Grady White Offshore
                350 Mag w/ Vortec Heads
                Alpha 1 Drive

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