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TR6 vacuum-stuff - how much do I REALLY need? (LONG)

To: triumphs@autox.team.net
Subject: TR6 vacuum-stuff - how much do I REALLY need? (LONG)
From: "Michael Noerregaard (CM)" <ngaard@utxvms.cc.utexas.edu>
Date: Thu, 24 Oct 1996 12:37:52 -0500
After having gotten a few e-mails about my vacuum-parts-request from
yesterday, Roger told me that I don't really need the stuff (unless I want
to win concours - and for now all I want is to get it on the street :-)!) -
so my next question to all you knowledgeable folks out there - how much do I
REALLY need?

The car is a '74 TR6 (early model, comm. CF19....) with a set up Stromberg
175 CD-2 carbs.  I have very little knowledge (better make that ZERO
knowledge) about how the breather and vaccum system works, and that's why I
was mostly inclined to go by the book, and refit all the stuff on there.

For a start, I suppose that I need all the stuff for what MOSS refers to as
the carburetor breather system (that is, hoses, fittings, etc. running
between the carbs, carbon cannister, rocker cover, and restrictores) - and
all those hoses are pretty big ones, so I can follow the diagrams in the
books for that.

Secondly, all the #^$*&#@^%*&# emission control stuff for the carbs - seems
like a trillion itty-bitty hoses, connectors, clamps, brackets, etc. I know
that on/under/next-to the distributor there is a 'vacuum retard', and that
it is connected to the carbs via the t-fitting and vacuum switch on top of
the radiatot that I asked about yesterday. From there, one line runs to each
carb. So far so good. From  the rear carb there are two lines running out -
one is a vacuum pipe that runs fro the bottom of the rear carb up to a
y-fitting near the rocker cover, the other is also a vacuum pipe that runs
from the top of the carb, through a fuel trap to the other part of the same
y-fitting - which then combines the two into a pipe that runs to the EGR
valve. That appears to be all the pipes in that system - but how much can I
get rid of? I suppose that I still need the EGR valve (don't really know
what that does - but 'sounds' important 8-)!), but do I need the setup to
the retard unit on the distributor? If not, should I just try and find a way
to plug the inlet on the retard unit, as well sa the two inlets to the carbs? 

Sorry that this turned out to be such a long message (and if this is JUST
what Roger has been trying to tell me a dozen times by now) - and just
because I might have hit the right words, and the right connections - don't
assume I know anything more than what I can see in the diagram from e.g.
MOSS ;-)

Any help will be greatly appreciated - can't wait to get this baby on the
road (which I need to get my title - TX is a little weird in that respect,
since I need to get it inspected BEFORE they will issue a new title, because
the car has a Michigan title - talk about bureacrazy ;-)!)

Thanks,

Michael
TR6 - and a couple of GT6s (that are FOR SALE)


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