On Tue, 20 Sep 1994, Gregory Petrolati wrote:
> Chip,
> since you own an early TR4, the stock set up for carbs should
> be HS4s.Solid axle cars came with that carb however there was
> a brief run of Stromberg-Zenith CD175s (about 1000 cars) but
> that was in the later TR4s. Are you sure that the carbs you
> have are H6s? They mabe HS6s which were installed on TR4As. If
Sorry, wrong. The TR2 and very early TR3 used SU H4 carbs. Most TR3s and
the early TR4 used the SU H6. Here's the TR4 carburetter saga:
Engine No. CT1E through CT16800E SU H6
CT16801E through CT16900E Zenith-Stromberg 175CD
CT16901E through CT21470E SU H6
CT21471E through end Zenith-Stromberg 175CD
Mine is a very early TR4, which has (and is supposed to have) H6 SU's.
Early TR4A's continued with the 175CD, but a switch was made back to SU
(but this time the HS6) midway through TR4A production. This was the
first use of the HS6 in the TR series of Triumphs. The HS-series was a
slightly more modern design than the H-series (which dates back to the
late 1930's)
Since you mentioned "solid axle cars", are you thinking of the TR4, all of
which were solid axle on what was essentiallly the TR2/3 chhassis? Or the
TR4A which could be had with IRS _or_ a solid axle on the new chassis?
-----------------------------------------------------------------------
Chip Old 1948 M.G. TC TC6710 NEMGTR #2271
Cub Hill, Maryland 1962 Triumph TR4 CT3154LO (daily transportation)
feold@umd5.umd.edu
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