> -----Original Message-----
> From: Brad Kahler [mailto:Brad.Kahler@141.com]
> Sent: 28 September 2000 20:16
> To: triumphs@autox.team.net; spitfires@autox.team.net;
> fot@autox.team.net
> Subject: spitfire input shaft specs needed (single rail)
>
> What we need to know is what are the dimensions for a
> spitfrie 1500 single rail gearbox? Obviously we're hoping
> that this gearbox will work as is with the Dolomite mainshaft
> in her spitfire but I believe the odds are going to be against that!!
Brad,
When I intended to do something similar with a Dolomite 1500 using
an 1850 Overdrive box, I picked the brains of many including the ever
helpful guru John Kipping. As the Dolomite 1500 uses the same single rail
gearbox as the Spitfire 1500, what I learned will apply equally to your
situation.
The mainshafts are interchangeable between 1850 and 1500 single rail
gearboxes, so the simplest solution is to take the mainshaft from the 1850
box and build it into the 1500 gearbox, then everything relating to the
overdrive should fit straight onto the 1500 unit. There is difference in the
speedo drive gearing, but JK reckoned the difference would be negligible
considering the (in)accuracy of the average Triumph speedometer!
I hope this is some help. I never got around to doing this
conversion myself as the Dolomite became surplus to requirements, and
fatherhood left me with far less time for frivolous gearbox rebuilding!
Cheers,
` Bill.
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