Your right about the carb ports, but the 69 is taking this vacuum from the
manifold. Its a connector underneath the brake booster connection. Mine
were plugged off when I got the car and I reinstalled it hoping to reduce
the gurgling on deceleration. Not much effect there, but it looks pretty
being original.
As to the valves, I had exactly the same problem, make a run on the freeway
and when I got off I couldn't keep the engine from dieing. 5-10 minutes
later it was fine. I'd do as Alan did and pull the choke a bit to keep it
alive. Once I adjusted the valves the problem completely disappeared.
Several were too tight. Too tight mighta meant they weren't closing fully,
great way to burn a valve. I'd tried everything to solve the problem, fuel
and electrical. Checking the valve clearances was not intended to be a fix,
I just decided it was time to check em, but after adjusting them the problem
was completely gone.
Jim Altman jaltman@altlaw.com Illigitimi non Carborundum
http://www.altlaw.com/metro/jaltman.html 69-TR6 76-TR7 80-TR8 W4UCK
-----Original Message-----
From: David Massey [mailto:105671.471@compuserve.com]
Sent: Thursday, May 17, 2001 1:32 PM
To: Jim Altman
Cc: 'Alan J. Harris'; 'David Massey'; '[unknown]'
Subject: RE: new to list and TR6 engine problem
Message text written by "Jim Altman"
>I still think its his valves are misadjusted. BTDT.
What? too tight? Never been there. That's a new one on me.
>If the retard is disconnected the carb end of the port must be plugged to
>prevent the vacuum leak. The 69 had the funky banjo connector from the
>manifold to the bypass valves and the front one then went underneath the
>linkage to a valve that opened to the retard port on the dizzy when the
>carbs were at idle.
Usually the ports in the carb are very small and the vacuum leak is barely
noticable but it is still a good idea to plug it up. The port may get
clogged with dirt and render it useless in the event you care to reconnect
the retard module.
I bought one of those valves once. Thought I needed it (but not on a 71).
I recently sent it off to Germany to someone who did.
If you think all these configuration changes are confusing, a car parts
counter man once told me that Ford would change emissions controls midyear
during the 70's. ;-)
Dave
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