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AC Pumps - T Type - U type

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AC Pumps - T Type - U type
Parazine Offline
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Joined: Aug 2017 Posts: 891 Threads: 48
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Location: North Wiltshire
Car type: 1927 Chummy, 1938 Big Seven 1/2 a Trials Chummy
#7
19-02-2022, 11:49 AM
A friend of mine runs a '36 Ruby which had a AC "U" type pump fitted. He had a persistent dribble from the carburettor, despite new needle valves and all the rest. He replaced the "U" type with a "T" type and the dribble disappeared, so we assumed that the "U" type has a higher idling pressure (due to the spring??).

On the other hand, I've used "U" types in the past without issue...... Undecided
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Messages In This Thread
AC Pumps - T Type - U type - by Hedd_Jones - 18-02-2022, 02:28 PM
RE: AC Pumps - T Type - U type - by Bob Culver - 18-02-2022, 02:41 PM
RE: AC Pumps - T Type - U type - by dickie65 - 18-02-2022, 10:20 PM
RE: AC Pumps - T Type - U type - by Hedd_Jones - 18-02-2022, 10:52 PM
RE: AC Pumps - T Type - U type - by John Mason - 19-02-2022, 09:46 AM
RE: AC Pumps - T Type - U type - by Parazine - 19-02-2022, 11:49 AM
RE: AC Pumps - T Type - U type - by David Stepney - 19-02-2022, 10:59 PM
RE: AC Pumps - T Type - U type - by Hedd_Jones - 26-02-2022, 12:06 AM
RE: AC Pumps - T Type - U type - by A G Wood - 26-02-2022, 04:23 AM
RE: AC Pumps - T Type - U type - by Hedd_Jones - 26-02-2022, 10:50 AM
RE: AC Pumps - T Type - U type - by Bob Kneale - 26-02-2022, 10:49 PM
RE: AC Pumps - T Type - U type - by John Gould - 05-03-2022, 05:27 PM
RE: AC Pumps - T Type - U type - by John Gould - 05-03-2022, 06:56 PM
RE: AC Pumps - T Type - U type - by Ivor Hawkins - 05-03-2022, 08:33 PM
RE: AC Pumps - T Type - U type - by Ivor Hawkins - 06-03-2022, 06:54 PM

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