Deep grove pulleys on 73 z28 with AC ???

Discussion in '1970 - 1973 Specific' started by Crazy4camaro, Jun 15, 2017.

  1. Crazy4camaro

    Crazy4camaro Veteran Member

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    Dec 30, 2015
    Greenville SC
    Over the weekend I purchased a 73 LT Z28, The engine compartment looks original.
    With that said, The pulleys aren't deep grove. This is a 4 speed car.
    Should a 4 speed Z28 with AC have deep grove pulleys. Thanks for your help.
     
  2. twozs

    twozs Veteran Member

    8,418
    78
    Aug 5, 1999
    hopewell jct ny
  3. McCune

    McCune Veteran Member

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    Aug 22, 2015
    st.george utah
    So the only deep V pulley is the AC?
     
  4. twozs

    twozs Veteran Member

    8,418
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    Aug 5, 1999
    hopewell jct ny
    i really have no idea about them as i never ran the numbers ..AC did over ride most options ..
     
  5. twozs

    twozs Veteran Member

    8,418
    78
    Aug 5, 1999
    hopewell jct ny
    not sure as my new belt rides a little higher
     
  6. twozs

    twozs Veteran Member

    8,418
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    Aug 5, 1999
    hopewell jct ny
    here is a 50,000 mile car ( supposedly ) . it looks good and the guy got it from his father ( auto ) [​IMG]
     
  7. Crazy4camaro

    Crazy4camaro Veteran Member

    200
    8
    Dec 30, 2015
    Greenville SC
    Thanks guys, looks like mine may be correct without the deep groove pulleys.
     
  8. twozs

    twozs Veteran Member

    8,418
    78
    Aug 5, 1999
    hopewell jct ny
    IMG_4415.JPG New belts . Post up some pictures of the car and motor .
     
  9. 70 SS/L78

    70 SS/L78 Veteran Member Lifetime Gold Member

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    May 5, 2005
    Rockford, MN
    With the exception of the AC pump I'm pretty sure the answer is NO for deep groove pulleys on the engine and other accessories in 1973 & later. It's my understanding that only the solid lifter engines received all deep groove pulleys. Last year for solid lifter engine would be the 1972 LT1
     

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