[Healeys] Water Pump Pulley Circumference

John Rowe john at jtkarowe.com.au
Tue Feb 28 01:24:26 MST 2017

Hi Patrick

I don’t have a BN3 one to measure, but a 29D ex Mk1 circumference measures 295mm approx (approx 11.5”) at the bottom.

Do you have the later narrow belt or the wider one off the 4 cylinder cars?


John Rowe Qld.


From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf Of Peter & Veronica
Sent: Tuesday, 28 February 2017 5:17 PM
To: Patrick & Caroline Quinn; healeys at autox.team.net
Subject: Re: [Healeys] Water Pump Pulley Circumference


....what do you mean by 'within the groove' Patrick? Pulley diameter? If so do you mean cm rather than inches?






From: Patrick & Caroline Quinn 

Sent: Tuesday, February 28, 2017 4:32 PM

To: healeys at autox.team.net 

Subject: [Healeys] Water Pump Pulley Circumference




Today the new six-cylinder water pump for the BN3 arrived from AH Spares.


I have noticed that the ‘within-the-groove’ circumference of the new pump is 11 ½ inches, while the ‘within-the-groove’ circumference of the old (original) pump is 14 inches.


Apart from the pump running a little faster I can’t see that it will make for any other differences.


Does anyone have a pump they can conveniently measure please? Plus any comments would be appreciated.


Many thanks


Patrick Quinn

Blue Mountains, Australia


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