Hello listers. Apparently our friend, Graham Stretch is having trouble
posting to the list, so I am forwarding this for him.
Cheers.
Jeff
>From Graham:
>
> Hi Mike
> The early one with the small journals seems to be generally accepted as
the
> best engine, My guy who does all the grinding of cranks said it is
generally
> the case that the small journal engines only need shells when the bearings
> make their presence (or lack of) known where as the large journal engines
> nearly always need a regrind by the time you hear the bearings. Having had
> both types, Herald and Dolomite, I would say that the small journal engine
> from memory was more responsive, and revved more freely. I believe also
that
> the stresses on the crank are less as the rods having small journals are
> lighter so the reciprocating mass is less. I think the change in shafts
was
> a rationalisation effort rather than a need, they made the 1300 the same
as
> the 1500, the 1500 did need the added strength.
>
> Graham.
> 2500PI MKII
> Sprinted Dolomite
> 2000 MKI
> 1300 Toledo
> 1300 front wheel drive
> http://members.tripod.co.uk/TriumphIW/index.html
>
>
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