[TR] TR3 Tick Tick Tick

Ed Oot eoot at citlink.net
Tue Oct 14 07:24:42 MDT 2008


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 
light.

If an exhaust manifold leak were the problem would this only be noticeable 
under load?

TIA
----- Original Message ----- 
From: "Randall" <tr3driver at ca.rr.com>
To: "'Ed Oot'" <eoot at citlink.net>; <triumphs at autox.team.net>
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 
> the
> timing.  If the sound doesn't disappear or at least change noticeably, 
> it's
> 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
>> assumption?)
>
> Should be.  However there are lots of other mechanical problems that can 
> be
> 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.
>
> Randall


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