Ben,
The issue is that you have the old speedy drive gear in the tranny. You need
to swap the existing one (which I believe is red) for a white one. My speed is
about 5 mph off since I switched to the 3.7. The new speedo won't help if you
use the old gear. Good luck with the gear. They're harder to find than the
diffy's.
Michael
Ben Wakefield <ben@kojak-2000.freeserve.co.uk> wrote:
> I have a 1976 Midget 1500 and it recently had a new 1:3.7 ratio back-axle
diff fitted. It used to have a 1:3.9 ratio diff, so my speedo reads 30 mph
when I'm doing 50! I've found that fitting a new speedo works out cheaper
than calibrating the old one...but when I tried to order one, the store said
I need a speedo number. Does anyone know what this no. is or how I can find
out?
Ben Wakefield
1976 Midget 1500
Sussex, UK.
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