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62 Chevy II AF/X

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  • Landspeed Gasser
    Russell likes this.
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    • see if I can get the mileage into double digits for a little while.
      My fabulous web page

      "If it don't go, chrome it!" --Stroker McGurk

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      • I'm going to go for an optimistic 14!
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        • best I ever did with the 55 with those gears was 13. The 55 had less cam, more cubes, slightly richer carbs, more weight. It'll be interesting to see what happens.
          My fabulous web page

          "If it don't go, chrome it!" --Stroker McGurk

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          • And tire height?
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            • slightly taller on the chevy II.
              My fabulous web page

              "If it don't go, chrome it!" --Stroker McGurk

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              • I call 15.5!

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                • I'm still hoping for more than ten
                  My fabulous web page

                  "If it don't go, chrome it!" --Stroker McGurk

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                  • I'm still hanging on to 14.
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                    • Originally posted by squirrel View Post
                      ok...

                      I played proctologist last night, swapped in a different third member in the rearend. 2.47 gears, open differential. should give me about 2200 rpm at 75 mph. planning on a trip to Tucson today.

                      would that make you a no va proctologist?
                      Doing it all wrong since 1966

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                      • I don't know.

                        Got 10 mpg when I filled up in Tucson, after driving on the freeway 70 miles, and around town another 20. I guess it's better than 7.
                        My fabulous web page

                        "If it don't go, chrome it!" --Stroker McGurk

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                        • Dang, I was waaaay off. Does it sound deeper loaded up against the taller gears?
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                          • hard to say, the exhaust note is not very consistent...the glass packs rap a lot, it doesn't really have the throaty roar that lets you tell when it's working. I did notice that I barely push the throttle when driving on the highway.

                            Mufflers might be my next project. Thinking about something like this...

                            http://www.summitracing.com/parts/wlk-18381/overview/
                            My fabulous web page

                            "If it don't go, chrome it!" --Stroker McGurk

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                            • Kinda surprised only 3 better... .. Efficency rpms for BBC the same for SBC? 1750 rpms, I think? .. In the 70's they were saying you wanted around 1750 rpms for maximum effeciency.. More or less hurt mileage, of course that is out the door the way you have this motor built? ..

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                              • Hmm, interesting, both my Centurion and Firebird audibly change quite a bit with the glass packs through the load range. Sound FX for the AF/X
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