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what year did SBC Change bellhousing pattern?

Discussion in 'The Garage' started by 69_chevy, Mar 2, 2006.

  1. 69_chevy

    69_chevy Registered Member

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    What year did the standard SBC change over to a different bellhousing pattern? like 60's to when? i think its 1996 but not sure??? what is the last year a th350, or th400 or sm 465 will bolt to using standard bellhousings? Please let me know if anyone has any clue?
     
  2. ryan22re

    ryan22re 1/2 ton status

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    ummm

    chevy has never changed the bellhousing pattern on the small block cept for maybe the real early ones like pre 1960.

    even the new genn III/genIV engines use the same pattern (minus one bolt)
     
  3. 69_chevy

    69_chevy Registered Member

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    so even like a 2000 vortec engine is the same?

    So i can bolt a early70's sm 465 or th400 to a 2000 vortec engine?
     
  4. ryan22re

    ryan22re 1/2 ton status

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    yep. cant put the bolt that goes in the 2 oclock postion though. can the rest. that is if its a gen III/genIV if its the old 350 vortec will bolt up no problem
     
  5. neverendingproject

    neverendingproject 1/2 ton status

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    It will bolt up, but there might be a discreapancy with the flywheel though. IIRC the crank on the newer engines is in a different spot.
     
  6. neverendingproject

    neverendingproject 1/2 ton status

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    Sorry. Different spot in or out, not up and down etc.
     
  7. ryan22re

    ryan22re 1/2 ton status

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    centerline to centerline is the same. distance from back of crank to transmission i have no idea.

    guy on here has a 6.0 and 465 combo, so it cant be that hard.
     

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