In a message dated 97-05-21 12:15:52 EDT, amace@unix2.nysed.gov (Andrew Mace)
writes:
> First, check the serial number for the gearbox: GA prefix would be a
> Herald box. Second, and to supplement Barry's excellent advice, what
> differential are you using? With the Dolomite 1500 engine, it seems likely
> you could upgrade from the Herald's original 4..11:1 diff to a later (and
> beefier to some degree) Spitfire's 3.89:1 or perhaps even the 1500's
> 3.63:1. This is pretty much a bolt-in thing, but involves new drive axle
> and driveshaft U-joint flanges (to match the larger shafts on the newer
> diff.) and likely an upgrade to the swing-spring setup as well -- all
> worthwhile improvements with the bigger engine.
>
> --Andy
>
Guys, just received my new edition of Triumph World. They have an article on
OD retrofitting. I didn't have time at lunch to look at the article in depth
but from a quick perusal it appears to be what your looking for. FWIW.
Cheers
Art Kelly
|