I just put a "27" fron a 240 Volvo in my '73 TR6. I like the higher ratio.
I think it's from a '78 Volvo, but my current 240, a '93 model, has automatic
w/overdive with the same J-Type and it's a 4cyl. Best small engine car I've
ever driven, I like it so much I use it as my daily driver.
--
Gene Hart
genehart@att.net
1973 TR6 CF10918 U
Days away from the first turn of
the key since Feb '03. Thanks
patient & loving wife.
(c)(201)981-3327
________________________
Warren Buffett says the rear view
mirror is always clearer than the
windshield.
-------------- Original message from "Kai M. Radicke" : --------------
> > The question came up again. Does anyone have a chart of the
> > ID numbers that identify the different Laycock Jtype OD units.
>
> James,
>
> Here you go... hope this helps:
>
>
> 1953-1955 = A-type, non-synchronized first gear - 22/61275/ - TR2 up to
> TS5979.
>
>
>
> 1955-1964 = A-type, non-synchronized first gear - 22/61374/ - TR2 from
> TS5979-TR4 Oct. 64
>
>
>
> 1964-1967 = A-type, synchronized first gear - 22/61712/ - TR4/4A Oct. 64-67
> solid rear axles.
>
>
>
> 1965-March 1971 = A-type, synchronized first gear - 22/61753/ - TR4A (IRS
> only), TR250, TR6
>
>
>
> April 1971-November 1972 = A-type, synchronized first gear - 22/61985/ -
> TR6
>
>
>
> December 1972-1974 = J-type, synchronized first gear - 25/115838/ - TR6
>
>
> 1975-1976 = J-type, synchronized first gear - 25/115876/ - TR6
>
> No idea what 27 (27% reduction) fits - guess is Volvo... 22 and 28 are also
> common to Austin Healeys though (all Healeys used A-types). Spitfires from
> 1974-1981 also used the 25 spec J-Type.
>
> Kai
>
> --
> Kai M. Radicke
> Wishbone Classics
> www.wbclassics.com
> Ph: 215.945.7250
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