Sounds like the coil to me.
________________________________
From: Greg &
Alison Blake <ablake2@austin.rr.com>
To: Triumph Friends of
<fot@autox.team.net>
Sent: Sun, January 6, 2013 7:33:36 AM
Subject: [Fot] TR6
hot start problems
I've got a starting problem with the TR6 I care for. The
car starts great
when cold but after a drive that gets the car up to temp I
have an issue
with the restart. The hot start problem only occurs if I let
the car sit
for more than about 10 minutes. Related things I have done to the
car:
Rebuilt the original carbs - byass and temp compensators are locked out
New high torque starter
New battery
Rebuilt dist - problem persists with
more or less advanced static timing.
Currently have it set to where I do not
get any detonation at load
New radiator
Removed core plugs and flushed
engine - it sat for about 20 years before I
got it
I've done lots of other
work but I think that is all that would be
applicable to this particular
problem.
The car runs right below the halfway mark on the temp gauge and I
measured
that to be 175-180 F at the cap.
I've read that some of the
Stromberg carbs have a problem of boiling the
fuel out of the floats in
conditions like this. I pulled the dash pots last
weekend when I had the hot
start issue and did not see large amounts of fuel
pooling at the throttle
disk. How would I diagnosis this condition and what
are the solutions other
than heat shield? I'll try the coil next just on
the chance that it is
getting hot and not working as efficiently as it
should when hot. Other than
that, I am out of ideas.
When I do get it to start after sitting about 10
minutes in cool weather, I
usually have to hold the throttle about half way to
the floor to get it
going. This is would leads me to believe it is carb
related/too much fuel.
Thanks for your suggestions,
Greg
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