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454 vs 350 TBI setup ?????`

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by DUKSRULE, Oct 28, 2002.

  1. DUKSRULE

    DUKSRULE 1/2 ton status

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    Are the 454 and 350 TBI unit the same? I have seen where people are using the 454 SS TBI unit on a built 350 but didn't know if all of the 454 units were the same. Anyone know for sure?
     
  2. azblazor

    azblazor 1/2 ton status Premium Member

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    The 454 TBI has bigger bores and injectors flow more fuel. Computer program is somewhat different. It is used on built 350's pretty succesfully.
     

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