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bolt pattern...

Discussion in 'The Garage' started by wetbackZO, Oct 10, 2006.

  1. wetbackZO

    wetbackZO 1/2 ton status

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    hey guys...did the bolt pattern on the blocks change on Vortec engines??
    I'm trying to see if an engine out of a 99 Suburban will mate w/ and older 4L60, anyone know...???
     
  2. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    Yes it will mate up perfectly. The bolt pattern did not change.
     
  3. sandawgk5

    sandawgk5 3/4 ton status

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    The bellhousing pattern stayed the same. However the new engines are mission one of the bolt holes for the transmission bell. I have not heard of any ill effects of this bolt not being used.

    Ira
     
  4. wetbackZO

    wetbackZO 1/2 ton status

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    thanx for the prompt reply...highly appreciated...
     
  5. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    You're thinking of the LS1 engine and not the Vortec engine. The only thing that changed with the Vortec engine starting in 1996 were the heads and intake.
     
  6. sweetk30

    sweetk30 professional hooker Premium Member

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    those ls series need adaptors for new to old motor mounts.
     
  7. wetbackZO

    wetbackZO 1/2 ton status

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    mounts will be fabbed, this ain't going in a Chevy, BTW...
     
  8. sandawgk5

    sandawgk5 3/4 ton status

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    Oops I thought that is what he was referring to as in the 6.0 Vortec motor:doah:. Either way the bellhousing pattern did not change:D.

    Ira
     

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