[Healeys] HD6 jets

[m.g.sharp at sympatico.ca]

I have not had a problem with the carb diaphragms degrading with ethanol gas
although about 8-10 years ago I found a reliable source of ethanol-free gas
(Shell premium) which I now use exclusively in all my cars, so now I  don't
worry about it at all.  However, even when I was using gas with ethanol I
never had a diaphragm beak down.  We on have <10% E in our gas here in
Canada, whereas some places in the US I believe are higher.  Could that make
a difference?  I'd have thought (hoped?) that the material they are made of
now is ethanol-compatible.  Regardless, I think changing  them every 5 years
is unnecessary.

 

Just my opinion,  Mirek

 

From: Healeys <healeys-bounces at autox.team.net> On Behalf Of Don Anglesey
Sent: May 7, 2023 9:05 AM
To: Kees Oudesluijs <coudesluijs at chello.nl>; healeys at autox.team.net
Subject: Re: [Healeys] HD6 jets

 

Simon, 

I never had problems with the jets but those diaphragms do not last long
with ethanol gas.

 

Sent from my Verizon, Samsung Galaxy smartphone
Get Outlook for Android <https://aka.ms/AAb9ysg> 

  _____  

From: Healeys <healeys-bounces at autox.team.net> on behalf of Kees Oudesluijs
via Healeys <healeys at autox.team.net>
Sent: Sunday, May 7, 2023 7:22:57 AM
To: healeys at autox.team.net <healeys at autox.team.net>
Subject: Re: [Healeys] HD6 jets 

 

SU and diaphragms???? 

May be meant for Stromberg carbs? 

The needle in SU's is not in contact with the jet so if the carbs are set up
properly the needles don't wear.

Kees Oudesluijs

 

 

Op 7-5-2023 om 10:57 schreef Simon Lachlan via Healeys:

I was a bit startled by something I read the other day. It was to the effect
that it's sensible to change the jets in HD carbs every 5 years because the
diaphragms harden and leak. Every 5 years?

Mine have been in since 2011....I've 3, so it'll be quite a business.

 

Another topic.my copy of Roger's book has arrived. Excellent. Anyhow, the
front cover...where was that taken?

 

Simon





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