[TR] TR4 carb needles

[CarlSereda at aol.com]

FYI:
The Stromberg Spare Parts Schedule says;
TR.4 1963 - early 1964 ID#1825 2A needle
TR.4A early 1965 only ID#3043 2E needle
TR.4A May 1965 - 1966 ID#3069 2H needle
also, the first two carbs use natural colored piston springs, the last one 
uses a red piston spring.
ps; very late in TR.4A production the carbs were leaned out for emmisions 
control - but by then the carbs were SU's.
Carl
'63 TR4 since '74




\The car is stock AFAIK, no mods to my knowledge or observation-- (I just
bought it, but there are lots of reasons to believe it's very original.  175
CD Strombergs.  I haven't run it since buying it -- it needs a full fuel
system overhaul.
I bought carb kits for my '64 TR4 from Joe Curto, and he sent 2H needles, but
all books call for a 2A needle for TR4's.  TR4A's use a 2H needle, but they've
got a different cam too.  The needle specs show the 2H is roughly .009"
thinner at most stations, so this is going to be a much richer needle.
I called Joe Curto and he said he meant to send this needle, as it's the
"go-to" needle for TR4's.  If that's so, why didn't the factory change the
specs ?
I know he rebuilds lots of carbs, but I hesitate to change from stock till I
have a reason to do so.
Anyone got a Stromberg-equipped TR4 ?  What needle do you use ?
Thanks !
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