283 Duntov cam stats - NCRS Discussion Boards

283 Duntov cam stats

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  • Phil Fischer

    283 Duntov cam stats

    I am in need of the cam profile stats for the solid lifter, 283 c.i., 270 h.p. motor. I am building up a motor using a 283 block, to install in my 1961 Vette. Any help would be greatly appreciated.......Thx Phil
  • Duke W.
    Beyond Control Poster
    • January 1, 1993
    • 15610

    #2
    Re: 283 Duntov cam stats

    The seat to seat timing specs are 35-72/76-31; gross lobe lift (includes the ramps) is .2625"/.2665".

    I highly recommend the LT-1 cam for all mechanical lifter engine restorations. It will make more torque/power from off idle to redline than the Duntov and has very similar idle characteristics, so it is not detectable on PVs.

    Duke

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