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any mechanics here?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by pooo, Apr 2, 2000.

  1. pooo

    pooo Newbie

    Joined:
    Mar 28, 2000
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    hey, I've got a couple of questions here... hope y'all can help
    1. I just removed the stock intake manifold on my '76 350, and the new gasket set has some "coolant restrictors" how do I know where they need to be?
    2. my blazer has an np203.. I've heard that it's bad to put un-locking hubs on the thing, Is it a rumor or if not, what will go wrong?
    thanks
     
  2. Goose

    Goose 1/2 ton status

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    Location:
    South Central Kansas
    (1): haven't build an engine since '95 so I'll let someone else answer.
    (2): Unless you get the kit that converts your NP203 to part time it will eventually ruin it. The kits w/hubs start at about $100 from Summit racing.
     
  3. Todd78/87

    Todd78/87 1/2 ton status

    Joined:
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    Location:
    Haines, Ak
    I just got done rebuilding my 350 and I left both block off plates off.
    If you only put in manual hubs in a 203, the front drive shaft and everything but the wheels are still turning, defeating MOST of the
    purpose of going manual. MileMarker makes a conversion kit,, comes with some parts that go in the xfer case and
    new manual locking hubs.

    Todd 78/87[​IMG]
    [​IMG]
    Alaska Bound
     

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