[Healeys] Engine number

[Bob Haskell]

Simon,

The tri-carb engines had the "29E" prefix.  The center shift gearbox was 
introduced during tri-carb production.  So I would go with Clausager's 
explanation.  Shame he doesn't state what he thought the 'U' meant.

Cheers,

Bob Haskell
AHCA 3000 MkI registrar
http://www.ciahc.org/registry_3000mk1.php

On 10/19/2018 06:21 AM, simon.lachlan at alexarevel.plus.com wrote:
> It is 29D/RU/H4908
> 
> 29 = 3,000cc (+/-!)
> 
> D = MkI BT7 or BN7 (per Clausager)
> 
> R= Overdrive fitted
> 
> U = Centre shift (per BMC parts manual)
> 
> The BMC manual is quite specific. See attached.
> 
> Who is wrong? Did 29D engines continue into later tricarbs which is 
> when, as I understand it, centre shifts appeared?
> 
> Or what?
> 
> I am considering buying an engine and rebuilding it. There’s a block on 
> eBay with that number on its plate. I think it’s a MkI and that RU 
> stands for overdrive and that U does not stand for centre shift.
> 
> Am I right?
> 
> Thanks,
> 
> Simon
> 
> 
> 
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