[Alpines] rear axle question

[Allan Ballard]

Ill offer the following for starters:

Differentials:

Series 1, 2, 4, 5:
standard 3.89 (4.22 with Overdrive)

Series 3:
3.89 for both standard and overdrive

(SAOCA web site source)

I think the 3.70 differentials are from later Alpines and are being
retrofitted to series Alpines...

Allan Ballard
Series 1 project
Series IV driver (overdrive added)




On Dec 23, 2013, at 9:27 AM, Bill Mounce <bmounce at rcn.com> wrote:

> Hello all,
>
>
>
> I just read the article in this month's Rootes Review about adding and O/D
> unit, and they listed two different rear axle ratios, and the resultant
> speeds v. revs.  I always had these questions: how do I know which rear end
> I have, and why were there two different ones?  At one point I thought one
> went with the O/D trans, the other with non O/D, but that made little
sense.
> Can anyone 'splain'?
>
>
>
> Thanks, Merry Christmas & Happy Holidays to all,
>
>
>
> Bill Mounce
>
>
>
> 1967 SV
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