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Foolish dizzy question, '84 245 200 1984

posted by  Siguesigue on  Fri Sep 17 02:52 CST 2004
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last visit: Wed Sep 19 11:55 CST 2007
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Hmm, the old one came out and was replaced, but the locator marks are, of course, useless. Does anyone have advice on how to find TDC and re-install the distributor so I have a semblance of timing? It's about 240 degrees off now...


-Chris J.







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    Foolish dizzy question, '84 245 200 1984

    posted by  greg_mustang on  Fri Sep 17 03:11 CST 2004
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    last visit: Sat May 10 07:26 CST 2014
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    At TDC, piston #1 is fully at the top, and rotor is directly at spark plug wire #1.

    You can tell the position of the piston by removing the #1 spark plug (nearest to you and putting in a long screwdriverto get it to the highest point, by turning the crank by hand.

    Pull off distributor cap to adjust distributor to point to spark plug #1.

    See FAQ for more details.

    Greg







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      Foolish dizzy question, '84 245 200 1984

      posted by  18yr240t on  Fri Sep 17 03:46 CST 2004
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      Put the timing marks at zero on the crank ck the cam mark to be sure it is up. On the dizzy there is a notch that indicates #1 the rotor will turn as you install the dist make sure that the rotor lines up with the mark in the dist case when you have the dizzy in and it should run there then set the timming with a light...








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        Foolish dizzy question, '84 245 200 1984

        uid 18083's pic
        posted by  lucid on  Fri Sep 17 07:28 CST 2004
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        last visit: Fri Oct 24 12:31 CST 2014
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        From 18yr240t:

        "1) Put the timing marks at zero on the crank ck the cam mark to be sure it is up.
        "2) On the dizzy there is a notch that indicates #1.
        "3) the rotor will turn as you install the dist
        *4) make sure that the rotor lines up with the mark in the dist case when you have the dizzy in
        *5) and it should run there then set the timming with a light...

        On item #4, I've found that with timing set to the usual 12° advance, the center line of the rotor will be a bit more than 1/4" beyond the notch mark (when crank and cam are at 0°). By setting it there, with crank and cam at 0°, it should be timed pretty close.

        --
        Bruce Young
        '93 940-NA (current) — 240s (one V8) — 140s — 122s — since '63.







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