1970 ZR1 pump has 68 date? - NCRS Discussion Boards

1970 ZR1 pump has 68 date?

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  • Ronald R.
    Very Frequent User
    • May 31, 1989
    • 670
    #1

    1970 ZR1 pump has 68 date?

    my water pump has a 68 date 608 and suppose to be orig?? amy help appreciated thanks Ronnie
    Tags: None
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    • James G.
      Very Frequent User
      • August 22, 2018
      • 783
      #2
      Re: 1970 ZR1 pump has 68 date?

      What exactly is the date code?
      In it's alpha numeric format...
      James A Groome
      1971 LT1 11130 - https://photos.app.goo.gl/zSoFz24JMPXw5Ffi9 - the black LT1
      1971 LT1 21783 - 3 STAR Preservation.- https://photos.app.goo.gl/wMRDJgmyDyAwc9Nh8 - Brandshatch Green LT1
      My first gen Camaro research http://www.camaros.org/forum/index.p...owposts;u=4337
      Posts on Yenko boards... https://www.yenko.net/forum/search.php?searchid=826453
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        • Ronald R.
          Very Frequent User
          • May 31, 1989
          • 670
          #3
          Re: 1970 ZR1 pump has 68 date?

          K208 3782608
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            • Mike E.
              Extremely Frequent Poster
              • February 28, 1975
              • 5134
              #4
              Re: 1970 ZR1 pump has 68 date?

              The 608 is the most common Chevy small-block pump there is. You go to a chain store today to get a pump for 68-70, and your chances are really good that they will have a rebuilt 608 in a box. I would say that is how/where that pump got on your car rather than installed at the factory. October 68 to your car in 1970 is an extraordinarily long gap for the factory.
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                • Joe L.
                  Beyond Control Poster
                  • February 1, 1988
                  • 43193
                  #5
                  Re: 1970 ZR1 pump has 68 date?

                  Originally posted by Ronald Rains (15175)
                  my water pump has a 68 date 608 and suppose to be orig?? amy help appreciated thanks Ronnie
                  Ronnie-------


                  As others have said, it's highly unlikely to be original. However, are you sure the last character is an "8" and not a "9"?

                  Another thing: how many miles are on the car?
                  In Appreciation of John Hinckley
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                    • Ron G.
                      Very Frequent User
                      • December 1, 1984
                      • 865
                      #6
                      Re: 1970 ZR1 pump has 68 date?

                      Just to add what Joe says. There should be no difference in a regular production LT-1 fuel pump versus one on a ZR-1.
                      "SOLID LIFTERS MATTER"
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                        • Ronald R.
                          Very Frequent User
                          • May 31, 1989
                          • 670
                          #7
                          Re: 1970 ZR1 pump has 68 date?

                          This is a 20k mile ZR1 with only one owner before me that drove the car.
                          thanks RDR
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                            • Joe L.
                              Beyond Control Poster
                              • February 1, 1988
                              • 43193
                              #8
                              Re: 1970 ZR1 pump has 68 date?

                              Originally posted by Ronald Rains (15175)
                              This is a 20k mile ZR1 with only one owner before me that drove the car.
                              thanks RDR

                              Ronald----

                              At that mileage the pump could be original if the date is actually 1969 and not 1968. These 5/8" shaft pumps are generally good for about 50,000 miles, max.
                              In Appreciation of John Hinckley
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                                • Ronald R.
                                  Very Frequent User
                                  • May 31, 1989
                                  • 670
                                  #9
                                  Re: 1970 ZR1 pump has 68 date?

                                  Thank for the info, My brother started the resto on this car years back and was killed in a motorcycle accident. I'm not sure if he kept the original so i quess I am on the hunt. I have found one that was dated a month after my car so dont think the judges will go for this. thans Ronnie
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