John,
Sounds like it may be starving for fuel, double check your float and inlet
valves for the correct height and possible sticking. You did not mention
ignition timing, double check this as well.
Bill
Bill Beecher
'58 TR-3A TS30766L "Tarbaby"
www.triumphowners.com/1566
"A Triumph is man's best friend, it always comes when it is called...of
course, some times it is difficult to make it go"
-----Original Message-----
From: triumphs-bounces@autox.team.net
[mailto:triumphs-bounces@autox.team.net] On Behalf Of John Gillis
Sent: Thursday, August 12, 2010 1:46 PM
To: Triumph List
Subject: [TR] Rough running TR2
Hi all
I have made some progress with my engine running problems, after some hours,
two well versed Triumph bods, and lots of high tech equipment we discovered
the following: All ignition parts in good health and working as they should.
Valve clearances as they should. Good cylinder compression on all between
168 and 170 lbs, fuel reaching both carbs which are both balanced. What was
discovered is very poor vacuum registered off the vacuum advance pipe, with
air filters removed the front piston lifting poorly when you try to increase
revs and back one is lifting but tends to "dance" a little. The car will
start no problem but does not want to rev, the only way is to very slowly
and carefully increase the revs and then it will not run clean, hunting and
wanting to die. With a colour tune on it was almost impossible to adjust to
the proper bunsen blue, with erratic colour and flashes. The consensus is an
air leak in perhaps in the inlet, spraying with WD40 did not show anything.
Any advice????
John
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