[Healeys] HD6 jets

[josef-eckert at t-online.de]

Kees,
SU HD-carbs have diaphragms, better membranes. The membranes eventually 
crack and break after
many years of usage. But that depends very much on the type of fuel used.
A friend of mine went on a larger tour of Scandinavia with his Jaguar XJ6 a 
few years ago and
filled up with the E10+ fuel that is common there in Sweden. That was fatal 
for the
carburetor membranes and also for the fuel pumps. When trying to restart 
after the Winter
break, nothing worked on the car. Carburetters, starter (choke) carb, fuel 
piumps, all membranes werebroken and shot.
 
Josef
 
 
 
 
-----Original-Nachricht-----
Betreff: Re: [Healeys] HD6 jets
Datum: 2023-05-07T14:46:58+0200
Von: "Kees Oudesluijs via Healeys" <healeys at autox.team.net>
An: "healeys at autox.team.net" <healeys at autox.team.net>
 
 
 
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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