Thanks for the reply.
I will retard the spark with vernier and note any difference. Based on past
attempts I expect none, but still will try and will verify movement with the
If an exhaust manifold leak were the problem would this only be noticeable
----- Original Message -----
From: "Randall" <firstname.lastname@example.org>
To: "'Ed Oot'" <email@example.com>; <firstname.lastname@example.org>
Sent: Monday, October 13, 2008 4:27 PM
Subject: RE: [TR] TR3 Tick Tick Tick
>> The problem: An annoying loud tick sound when the car is
>> under load( Could it be a ping?
> One way to answer the question : back off the timing by about 6 degrees
> (with the vernier). Verify with the timing light that it actually moves
> timing. If the sound doesn't disappear or at least change noticeably,
> something other than too-advanced ignition timing. After the experiment,
> put the timing back where it was.
>> All of the above is to no avail. I have ruled out valve
>> clatter as I only hear it under load (is this a safe
> Should be. However there are lots of other mechanical problems that can
> described as a ticking sound under load. Unfortunately, an incipient rod
> knock is one of them. Exhaust leaks at the manifold/head joint also
> sometimes show up as ticking noises.
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