[Healeys] Generator pulley dimensions
Patrick & Caroline Quinn
p_cquinn at tpg.com.au
Sat Jun 10 22:59:25 MDT 2017
Of course with a larger pulley it means that it will turn slightly slower.
Whether that has an effect on the charging rate I dont know.
Its not just the generator pulley thats different as I have recently found
out that the water pump pulley in the early six-cylinder engines is larger.
I fitted a new water pump to the BN3 only to find that when fitting the
standard fan belt it was too long and the generator was hitting the steering
column. With a 2 ½ centimetre shorter belt it fits perfectly.
Blue Mountains, Australia
From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf Of Mark
Sent: Sunday, 11 June 2017 12:22 PM
To: healeys at autox.team.net
Subject: [Healeys] Generator pulley dimensions
Until now I'd never noticed the small differences in generator pulley
What is the diameter of the pulley fitted to a Mk II tri-carb - part number
AEC 910 ?
The one presently fitted to mine is 100mm. It does not have a part number
I have a 100/6 pulley with part number AEC 291 sitting on my shelf.
It shows the part number on the casting and has a diameter of 110 mm. (see
As a matter of interest - could the 100/6 pulley be used on a later model
without adverse effect - bearing in mind the generator speed would be only
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