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RE: non-adjustable ZS carb needles

To: "'triumphs'" <triumphs@autox.team.net>
Subject: RE: non-adjustable ZS carb needles
From: Tom Gentry <TGENTR@wgc.woodward.com>
Date: Fri, 08 Dec 95 07:55:00 PST
Encoding: 23 TEXT
Jeff Wagner wrote:
>> I've never found any way to adjust the
>>mixture on these carbs, other than to find and fix all the air leaks.

Jeff may have come across something that I was unaware of.  If the ZS tool 
doesn't work and you have fixed jets, how was the carb adjusted at the 
factory?  With manufacturing tolerances for both engine and carb there HAS 
to be some method of adjustment.  What is it?

I have owned a '68 TR-250, and two '72 TR-6s as well as working on various 
other Triumphs and have always been able to adjust the carb mixture with the 
ZS tool even though the manuals often referred to the carbs as 
"non-adjustable" or "tamper proof".  Is there another type of ZS carb I am 
unfamiliar with?

Tom Gentry
72 Triumph TR-6 OD
86 Dodge Shelby Charger Turbo
88 Sterling 825SL
tgentr@wgc.woodward.com

"Life is too short to drive boring cars!"


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