[Healeys] Engine number

Per Schoerner per at schoerner.se
Fri Oct 19 09:55:20 MDT 2018

No, Mk2tricarb engine is prefixed 29E. My tricarb engine is 29E-RU-H/428. I have a side shift however, so it doesn’t seem right anyway. Clausager says in his book that RU means overdrive, just U means nonoverdrive.


Skickat från min iPhone

> 19 okt. 2018 kl. 12:21 skrev <simon.lachlan at alexarevel.plus.com> <simon.lachlan at alexarevel.plus.com>:
> 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
> <Engine numbers from BMC Service Parts List .pdf>
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