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Head numbers

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Andreas, Apr 21, 2000.

  1. Andreas

    Andreas 1/2 ton status

    Joined:
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    Location:
    Sweden
    Anyone know anything about my heads (the one between my shoulders will continue to be a mystery[​IMG])? Number is 8884520, made in Canada and they´re sitting on a 406. The guy I bought the motor from said they were 305 heads (for compression I guess?). They´re ported beyond all recognition and has 2.02 valves. Let´s just hope they have steamholes......So, anyone have a clue what year etc. etc??

    Andreas

    406cui of pure sh*t[​IMG]
     
  2. 88Jimmy

    88Jimmy 1/2 ton status

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    Location:
    Las vegas, NV
    This is as close as I can get
    3884520....66-67...283..........Some marked "Made in Canada",
    60cc chamber, also used by Studebaker

    http://www.mortec.com/castnum.htm



    350 Vortec TPI D60 14Bolt 4"lift 35 BFG A/T
     
  3. Andreas

    Andreas 1/2 ton status

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    Location:
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    Thanks Jimmy. I´ll check that first digit again. I´ll bet it´s a 3 with some grime on it, and not an 8.

    Andreas

    406cui of pure sh*t[​IMG]
     

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