Re: Muncie Speedo Gear Question
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Here is the info on my 69 L78 M-21, 4.10 posi. The tag on the sidecover is 3950316 and the adaptor is 6476736 with a ratio of 1:.777 and has a blue driven gear with 20 teeth. I also have a 69 RS Z/28 with an M-21 and 4.10 posi and no adaptor. The tag on the sidecover is 3946798 and has a driven white gear with 25 teeth. Attached are pics of the adaptor.
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This is the style used on the Deuces, not the square model as pictured earlier.
Anybody know much about the 'key' that is used to link the cable and the adapter? I bought the 'key', but the speedo still barely turns 
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Marlin
70 Yenko Nova-350/360, 4speed M21, 4.10 Posi (Daddy's Ride)
69 SS Nova-396/375hp, 4speed M20, 3.55 Posi (Benjamin's Ride)
67 RS Camaro-327/250hp, 2speed Glide, & 3.08 Open (Danny's Ride)
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