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Is a 427 crank differnt in a 2 ton?

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by RingMaster4x4, Mar 5, 2001.

  1. RingMaster4x4

    RingMaster4x4 1/2 ton status

    Mar 4, 2001
    Likes Received:
    Bartlett, Texas
    I have a question.The 427 is coming out of a 2 ton truck and a guy told me that the crank may have a bigger bolt pattern that a TH 350 flywheel. Is this true?

    72 K5 blazer w/350/TH350 NP205 6" lift 31" tires.
    Soon to be 1 ton with a 427 tall deck and TH400//NP205 and 12" of lift with 40" tires.
  2. thatK30guy

    thatK30guy 1 ton status Premium Member

    Jan 12, 2001
    Likes Received:
    It shouldnt be different than the regular 396, 427 cranks. The only difference in the truck 427 and car 427 is the truck block is almost 1/2 taller deck. All the cranks are the same except for the 454, which has its own crank.

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