Darrell
Yes the Trials were great except for the rain on Saturday.
I assume
that you have already tried to tighten all the related intake and
exhaust
manifold studs. If that is the case then I would suggest removing the
exhaust
manifold and laying a straight edge across the ports. You may find that
it
has warped. If this is the case then it needs to be shaved till it is flat
across the ports.
Some headers have had this problem in the past and adding
extra gaskets does not
solve the problem.
Dale
________________________________
From: "TR250Driver@aol.com"
<TR250Driver@aol.com>
To: triumphs@autox.team.net
Cc: 6pack@autox.team.net
Sent: Mon, September 13, 2010 3:39:12 PM
Subject: [6pack] TR6 Mistery Miss
Hi
Guys,
I took the TR6 south to Oxford, OH for the 6-PACK Trials last week,
probably less 600 miles total. The Trials were great. The Six had a few
issues.
The first was a low RPM miss that caused her to chug some when
accelerating. Usually in 3rd or 4th with OD engaged but not always. She
would
chug
some regardless of speed but usually below 2500 rpm's. Once
above that she
seemed happier with only a few chugs. Not enough of a problem
to leave me
on the side of the road but very annoying.
So I pulled the
Bosch Platinum WR7dp plugs : #1 thru 4 look reddish brown,
#5 is brown & #6
is bright white. I must be sucking in some air back
there, Huh? From the
manifold gasket? I hate to just start ripping into that
w/o the wisdom of
the List but the bright white is an indicater of a lean
condition in that
cylinder, correct? What else could it be? The Six also
got very hot once
when I let her idle for 5 minutes which would confirm a
lean condition.
I
have had this problem before with the Six and also the TR250. Seems
like
they both want to blow up manifold gaskets. What am I doing wrong? I
have
tried the method of putting two gaskets on back to back. I forget which
way
they go it's been so long. I only have one on now.
Any Tips are
appreciated,
Darrell
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