As always, you can't gain anything without losing something. In this case, it's
off the line performance. However, it's not enough to cry over. In my opinion,
the gain in highway drive ability far exceeds any issues with off the line
speed.
Ian Spencer
Client Services
University Hospital
Health Alliance of Greater Cincinnati
(513) 584-0365
>>> <bmounce@bellatlantic.net> 12/13/01 08:46AM >>>
How does it affect acceloration? Bill
Ian Spencer wrote:
> Guys,
> I drove my Harrington LeMans to St. Louis last fall for the United. It was
>about a 5 hour drive from Dayton. My LeMans performed wonderfully and the OD
>with 3.70:1 rear end purred like a kitten. I was passing traffic and could
>maintain an easy 75 - 80 MPH cruising speed. It has really made it a fantastic
>car to own and drive. My Harrington Alpine also has the 3.89:1 ratio with OD
>and it performs just as well and I'm putting an OD unit into my Series II with
>this rear end radio as well. This conversion is a MUST for anyone with, or
>considering, an OD unit. - Ian
>
> Ian Spencer
> Client Services
> University Hospital
> Health Alliance of Greater Cincinnati
> (513) 584-0365
>
> >>> Ron Tebo <tebomr@cadvision.com> 12/13/01 08:34AM >>>
> Eddie:
>
> Tony Leeming, on Gabriola Island, had a Series II in which he installed
> an overdrive with a 3.89 rear end. Tony swore by this combo, and said
> the ratio was just great for highway cruising. He has sold his car, and
> is now working on a Triumph Stag, but I am sure if you contact him,
> he'll tell you the same. He's at tleeming@island.net
>
> Ron Tebo - Series I - B9000627 - ('Pining For Overdrive :))
>
> Eddie Donovan wrote:
> >
> > I have a question on the final gear ratios I may get. I have two 1961 Series
> > II's, one of which came with a O/D but a badly corroded undercarriage. The
> > other is a rust free California car and is the first to be restored but it
> > is without O/D. From what I can glean from various manuals there were two
> > rear axle ratios on the Series II's, 4.22 : 1 and 3.89 : 1. All the specs
> > that I can find only give data on the final ratios with O/D units under the
> > 4.22 : 1 columns. This shows a resulting final ratio with O/D of 3.39 : 1.
> > The question is: Do I get a final ratio with O/D in the range of 3.06 : 1
> > if I install the O/D with my current rear axle ratio of 3.89 : 1? What
> > would be the end result on the top speed?
> >
> > Am I way off base or have I just read far more than I have yet to put into
> > practice?
> >
> > Eddie
> > Series II, 1961 - B9108405 LRX - Being restored
> > Series II, 1961 - B9104430 ODLR - Future project
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