So sorry, this old E-mail did not make it to the list !!
I installed an overdrive into my Series 2 a couple of years ago from a
Series 5. What a difference it makes! I changed the electrical system over
to neg. ground to match all the components that go with it that Steve talks
about. The rear end on overdrive Alpines was 4.22 except for the Series 3
which was 3.89 . All std. gearbox Alpines had 3.89 rear ends. I decided not
to change mine from 3.89 and boy am I glad. It makes cruising on the highway
a pleasure, as you knock 20% off your RPM. The downside is that your speedo
is out of whack and is more like KPH , which is fine in Canada and o/d 3rd.
is the same ratio as non o/d top. This is not a concern to me, o/d top is
the greatest.!! Stick with the 3.89 and go for it !!
Tony Leeming Nanaimo, Vancouver Island,
British Columbia, Canada. (tleeming(at)city.nanaimo.bc.ca.)
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