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<small>Hi Jim,<br>
<br>
</small>The choke cables do two things; they lower the jets to
enrich the mixture and they open the throttles a little. It seems
that the mechanic would have made adjustments to the carburetors to
lower the jets and/or open the throttles in the absence of
connecting the cables. The part I don't understand (as we emailed
about previously) is how the engine could settle down into a good
idle after initially starting at high rpm.<br>
<br>
It seems like adjusting the idle speed screw to open the throttles
would cause an increase in engine speed that would not decrease as
the engine warmed up; if anything it would be expected to run faster
and faster.<br>
<br>
I wonder if adjusting one of the two jets lower to enrich the
mixture would be enough to let the car start (how it does so at 3500
rpm I don't know, unless the throttles were also adjusted somewhat
open). As the car warms up, the mixture should become too rich in
that carburetor -- maybe two cylinders running too rich
"compensates" for too much throttle opening after it warms up and
causes the engine speed to go down?<br>
<br>
You could take the air cleaner off and compare the position of the
two jets to see if they are the same. Lift each dashpot piston and
look at the top of the jet where the needle goes into the center of
it. Also, see if you can see (maybe with flashlight and mirror) if
the throttles are nearly closed.<br>
<br>
Sounds like you and Ben may see each other on I-95 on the way to
Fitchburg...<br>
<br>
Steve<br>
<br>
<div class="moz-cite-prefix">On 5/7/2016 10:02 AM, Jim Pile via
Rovernet wrote:<br>
</div>
<blockquote
cite="mid:3C1238BB-DF5C-4AE3-9359-7A30ED5322C6@verizon.net"
type="cite">
<pre wrap="">Thanks, Ben. Good to hear from you. One of these days I'll get over to your area for a visit, but I'm still working and time off comes hard. Next year I retire. Whoopee!!
I've got another fender myself, but the damaged one can be fixed: Just have to get around to it.
All the best,
Jim
On May 7, 2016, at 9:12 AM, Ben Saunders via Rovernet wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Hi Jim,
Do you need another fender? If so I have a few for you to pick from.
Ben
On 05/07/2016 08:22 AM, Jim Pile via Rovernet wrote:
</pre>
<blockquote type="cite">
<pre wrap="">OK, Roverphiles, I've got an intriguing puzzle for you:
A few months back, my '68 2000TC went into a shop to get engine seals replaced, which involved disconnecting the choke cables. When reassembled, the mechanic - who is familiar with English cars - did not re-connect the cables (a chore which I performed later). Instead, to start the car, he made an adjustment somewhere that kick-started the car at around 3500 rpms! Then, as the car warmed up, the rpm's gradually reduced until it was idling gracefully. I have rebalanced the carbs, but that has had no effect. It still starts screaming, then takes about 4 minutes to settle down. What could this mechanic have done to create this most embarrassing way to start an otherwise smoothly running car?
I would ask him, except I've distanced myself from him since a fender was significantly damaged while the car was in his care!
I'll be at RoveAmerica with the TC in a month, so I would like to figure out this puzzle before then.
Thanks for your interest.
Jim Pile
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