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Headers/Vortec Head Compatibility

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Madbomber88, Apr 8, 2003.

  1. Madbomber88

    Madbomber88 1/2 ton status

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    Will my thorley headers on my current engine (90 TBI 350 Stock) bolt right up to vortec heads?
     
  2. 4x4k20

    4x4k20 1/2 ton status

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    yes they will the vortec heads all have the same bolt pattern as the older heads.
     
  3. rodzzilla

    rodzzilla 1/2 ton status

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    I am running Thorley's on my 350w/Vortec heads. Good combo. /forums/images/graemlins/thumb.gif

    /forums/images/graemlins/burb.gif
     

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