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Solex question Fiat 500 Topolino

Letter to the editor

 

I have a 1937 Fiat 500 Topolino which has a Solex 22DH carburettor, although the specification lists the carburettor as 22HD, is this difference important?

 
Hope someone can give me some advice.
Thanks. Michael Rees
Pubblicato:
martedì gennaio 5th, 2021
Karel
15 Novembre 2021, 14:19
Ik heb een 22 DH op mijn Topolino zijklepper van 1939 en hij rijdt er uitstekend op. Geen problemen.
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Jeremy Burden
22 Gennaio 2021, 15:12
I also have the 22DH fitted to my Simca 5 (A) 1947 and have the same problem of running rich - so much so that it dies after a few hundred metres! I haven't had the car long and need to get it sorted. What is the adjustment screw on the manifold side of the carb?
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Leslie Humphreys
21 Gennaio 2021, 17:17
HI. I'm looking for a carb for a 1937 topolino, but cannot find one. does anyone know where I can find one? There are plenty for the B & C models, but not for the side valve version. Weber or solex version will do.
Thanks. Les Humphreys
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Michael Rees
18 Gennaio 2021, 20:32
Thanks for your help, Can't seem to find anyone that can supply jets for this carburettor.
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Michael Rees
15 Gennaio 2021, 18:33
Many thanks for your help.

I needed to check as the the engine runs quite well but a bit rich, can't seem to get it any weaker, the jets in the carburettor are correct.
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Arnoud van der Sman
05 Gennaio 2021, 15:08
Simca 5 Solex doc
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Arnoud van der Sman
05 Gennaio 2021, 15:07
I can not help you with difference between 22DH and 22 HD
but according to my Solex doc's your Fiat 500 1937 should indeed have the 22DH
the Simca 5 ( french licence Fiat 500) used in 1937 also the 22 HD but in 1937 -1940 and the 22 DH in 1947-1949

so you have the right carburator , but the wrong specification for your 1937 Fiat 500 topolino

see attachement
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