Zentih carburettor - service or replace?

Use this forum to discuss technical points relating to the Nipper and its ancilliaries.
JimCrawford
Posts: 83

Zentih carburettor - service or replace?

Postby JimCrawford » Sat May 01, 2021 4:51 pm

Hi All,

My Rollason 'Ardem' engine is fitted with a Zenith 32KL-P10 carburettor. Has anybody any source for a service kit for this unit? I cannot find one. Maybe it is just the gasket which separates the bowl from the throttle portion. Alternatively is anybody using an alternative carburettor for which spares are easy to find and which can be substituted for the Zenith?

Jim

Paul1954
Posts: 31
Location: Norfolk

Re: Zentih carburettor - service or replace?

Postby Paul1954 » Tue May 04, 2021 2:53 pm

Back in Alan Ayles’ day NK&C used to keep overhaul kits in stock. Don’t know if the new lot are worth a try.

JimCrawford
Posts: 83

Re: Zentih carburettor - service or replace?

Postby JimCrawford » Thu May 06, 2021 1:52 pm

Thanks Paul, I contacted Paul Grellier but doesn't hold any Zenith spares. I've got an enquiry outstanding with a vintage carb business but this particular version isn't on their website.

The best advice I've had so far is to swap it out for a Stromberg CD150, which is much more common.

Jim

Paul1954
Posts: 31
Location: Norfolk

Re: Zentih carburettor - service or replace?

Postby Paul1954 » Thu May 06, 2021 4:02 pm

Jim, I would say the CD150 is well proven on the Nipper. Owners with 1835 VW tend to go for larger diameter induction pipes. I would imagine that may not be possible with the 1600cc unit? But what size jets to use?

JimCrawford
Posts: 83

Re: Zentih carburettor - service or replace?

Postby JimCrawford » Fri May 07, 2021 8:35 am

Good Morning Paul,

I think I'll gather information about the Stromberg alternative via this and the LAA website and also Engineering. The information I have so far is that the CD150 is fine for the 1835 although the jets need changing. There must be many examples of this engine with the CD150 flying, it should be just a matter of copying the set up.

So if there is anybody out there in Nipper land with this information I'd be grateful to know.

If my engine runs with the Zenith I'll continue with it but prepare to change in easy time. My concern is that it will need a service but I dare not take the top off because I won't be able to replace the gasket, or any other part.

Jim

Neil Spooner
Posts: 565
Location: Ardleigh, Colchester, Essex, UK
Contact:

Re: Zentih carburettor - service or replace?

Postby Neil Spooner » Wed May 26, 2021 3:17 pm

Hi Jim,

I can service the Zenith, if gaskets are not available I can make them.

I may also have a Stromberg with the correct jets for sale if you are interested.

Best wishes,

Neil
A little help goes a long way.
Nipper G-BRPM and G-BALS
RV4 G-IKON

JimCrawford
Posts: 83

Re: Zentih carburettor - service or replace?

Postby JimCrawford » Fri May 28, 2021 5:30 pm

Hi Neil,

PM sent

Jim


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