Torque settings

Discussion in 'American RV's' started by Hydecolt, Sep 19, 2008.

  1. Hydecolt

    Hydecolt Read Only Funster

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    hello out there,

    can anyone help us, does anyone know the torque and tappet and timing settings for a cheverolet 454 engine 1982.

    having to replace head gaskets, :cry:

    Anna and Colin
     
  2. dazzer

    dazzer Read Only Funster

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    Send a pm to Linda (lindyc) at Stateside im sure if anyone will know it will be JC.:thumb:
     
  3. johnsandywhite

    johnsandywhite Read Only Funster

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    :Sad: I couldn't find any info for 1982 but here is some for later 454:-

    Mount the chain over the camshaft gear. Arrange the camshaft gear in such a way that the timing marks will line up between the shaft centers and the camshaft locating dowel will enter the dowel hole in the cam sprocket.

    Place the cam sprocket, with its chain mounted over it, in position on the front of the van and pull up with the three bolts that hold it to the camshaft.

    After the gears are in place, turn the engine two full revolutions to make certain that the timing marks are in correct alignment between the shaft centers.

    On 1987-95 models 4.3L 5.0L and 5.7L models, tighten the camshaft sprocket bolts (and nut on the 4.3L), to 21 ft. lbs. (28 Nm). On the 7.4L, tighten them to 20 ft. lbs. (26 Nm).

    On 1996-97 models, tighten the camshaft sprocket bolts (and nut on the 4.3L) to 18 ft. lbs. (25 Nm). On the 7.4L, tighten them to 25 ft. lbs. (34 Nm).
     

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  4. American Dream

    American Dream Read Only Funster

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    Nice one John.

    Brilliant to see some more "Hands on " classic owners here.:Cool:

    All the Best Anna and Colin.:thumb:

    BTW Why did the head gaskets go? Just wondering.Did it overheat?
     
    Last edited: Sep 20, 2008
  5. Hydecolt

    Hydecolt Read Only Funster

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    head gaskets

    not sure why they went, shes a 1982, but only done 32 thousand miles, she seems to have been stood up most of her life,having used her fo the last 2 years may have taken its toll, we do carry loads of spares to accomadate 'her needs', 11 months traveling round Europe last year and only 1 small problem,the fuel pipe collapsed.
    we were on our way down to Plymouth when this problem arose,:Sad:
     

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