US spec cars used a 1280 tpm speedo (automatics excepted) from Nov 1967 to
Sep 74 at which point (rubber bumpers) they changed to 1000 tpm. OD and
non-OD were the same (they did differ in earlier years). So a 71 and a 73
should be interchangeable, just check the numbers on the face-plate.
PaulH.
----- Original Message -----
> question - i have a 73 cbb, and i just picked up an overdrive tranny from
a
> 71. my real question is whether the
> speedo, which i believe is an overdrive speedo, will fit in the 73 without
> any big deal.
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