1970 Attn: Owners of 350's w/ C60 (air) - Engine Fan Inquiry - NCRS Discussion Boards

1970 Attn: Owners of 350's w/ C60 (air) - Engine Fan Inquiry

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  • Clark E.
    Very Frequent User
    • March 1, 1991
    • 163

    1970 Attn: Owners of 350's w/ C60 (air) - Engine Fan Inquiry

    The new 1970-72 Judging Manual on page 155 states 350's w/o air have a 5 blade fan without a part # or date and air 350 units have a 7 blade fan stamped with both part and date data. The 1970 Assembly Manual UPC C 60 / C1 illustration depicts a 5 blade fan for 350 engines w/air.

    The Motorbooks Workshop Corvette 1968-1982 Restoration Guide by Richard Prince on page 101 states "A minority of air-conditioned cars have a 5 blade fan instead of the more commonly seen 7 blade fans."


    The 1970 I've owned since 1972 has factory air and a 5 blade fan as described above. The body build code is C 23. To my knowledge the 5 blade fan is original to the car.

    To validate (or refute) there are other air 350's with factory installed 5 blade fans, please respond to this post indicating what fan your air 350 is equipped with. Thanks...Clark
  • Jeffrey S.
    Extremely Frequent Poster
    • May 31, 1988
    • 1882

    #2
    Re: 1970 Attn: Owners of 350's w/ C60 (air) - Engine Fan Inquiry

    Clark,
    My '69 350 w/air (owned since 1971) has the original blade fan.
    Jeff

    Comment

    • Clark E.
      Very Frequent User
      • March 1, 1991
      • 163

      #3
      Re: 1970 Attn: Owners of 350's w/ C60 (air) - Engine Fan Inquiry

      Thanks Jeff...Is it a 5 or 7 blade fan?
      Clark

      Comment

      • Terry M.
        Beyond Control Poster
        • September 30, 1980
        • 15599

        #4
        Re: 1970 Attn: Owners of 350's w/ C60 (air) - Engine Fan Inquiry

        Originally posted by Clark Erlandson (18941)
        The 1970 Assembly Manual UPC C 60 / C1 illustration depicts a 5 blade fan for 350 engines w/air.

        To validate (or refute) there are other air 350's with factory installed 5 blade fans, please respond to this post indicating what fan your air 350 is equipped with. Thanks...Clark
        Clark
        The illustrations in the AIMs mean very little. They were never intended to convey any detailed information. The part numbers are all that give information. The shapes of hose clamps, bolt heads or fan blades were not significant to the people authoring the changes to the AIMs nor to those using them.

        Now, some 50 years later, we can rely on the AIMs for part number information only, and even that has to be taken with a grain of salt.Our best sources are original cars. I hope you get the information you are looking for from fellow owners.
        Terry

        Comment

        • Jeffrey S.
          Extremely Frequent Poster
          • May 31, 1988
          • 1882

          #5
          Re: 1970 Attn: Owners of 350's w/ C60 (air) - Engine Fan Inquiry

          Originally posted by Clark Erlandson (18941)
          Thanks Jeff...Is it a 5 or 7 blade fan?
          Clark
          Sorry, my mistake. Forgot to say it is a 5 blade fan.
          Jeff

          Comment

          • Brady C.
            Very Frequent User
            • November 1, 2004
            • 112

            #6
            Re: 1970 Attn: Owners of 350's w/ C60 (air) - Engine Fan Inquiry

            Clark
            my 70 convertible / 350 /300 hp - G01 build date has a 5 blade fan.... Duntov in San Antonio with no deducts...
            Regards,
            Brady Como
            #42793

            Comment

            • Clark E.
              Very Frequent User
              • March 1, 1991
              • 163

              #7
              Re: 1970 Attn: Owners of 350's w/ C60 (air) - Engine Fan Inquiry

              Thanks Brady...is your 350 equipped with factory air (C60)?

              Clark

              Comment

              • Brady C.
                Very Frequent User
                • November 1, 2004
                • 112

                #8
                Re: 1970 Attn: Owners of 350's w/ C60 (air) - Engine Fan Inquiry

                Clark

                Yes, car has C60 factory a/c with automatic trans. Calif emissions option...
                Regards,
                Brady Como
                #42793

                Comment

                • Joe L.
                  Beyond Control Poster
                  • February 1, 1988
                  • 43221

                  #9
                  Re: 1970 Attn: Owners of 350's w/ C60 (air) - Engine Fan Inquiry

                  Anyone out there have an original 1970 L-46 with or without C-60 that can report which fan blade assembly they have?
                  In Appreciation of John Hinckley

                  Comment

                  • Brady C.
                    Very Frequent User
                    • November 1, 2004
                    • 112

                    #10
                    Regards,
                    Brady Como
                    #42793

                    Comment

                    • Jim T.
                      Expired
                      • March 1, 1993
                      • 5351

                      #11
                      Re: 1970 Attn: Owners of 350's w/ C60 (air) - Engine Fan Inquiry

                      Original owner of my 1970. Make in July 1970 and bought in August 1970. Original fan still on my 1970 and it is factory air conditioned 1970. The original fan has five blades. My 1970 came with 350/300 HP and automatic.

                      Comment

                      • Zachary K.
                        Very Frequent User
                        • March 1, 1986
                        • 162

                        #12
                        Attached Files
                        1967 L79 Sunfire Yellow Black Leather Convertible- Duntov
                        1969 L71 LeMans Blue, Bright Blue Convertible
                        1970 L46 Monza Red, Light Saddle Convertible - Duntov
                        1976 L82 Classic White, Firethorn
                        2013 LS7 Black, Ebony, Convertible


                        Moved on -
                        2006 LS2 Black, Ebony, Convertible

                        Comment

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