In a message dated 2/4/2012 7:53:49 PM Central Standard Time,
JPayne@ThorCon.net writes:
> Since I replaced the transmission in my 59 TR3, I have been hearing a
> tapping noise (Tap, Tap, Tap) that begins at approxitely 3000 RPM and
> speeds up with the RPMS linearly through 4200 RPM when the engine is
> under load. It does not do it at idle when revving the engine.
Are you sure it is coming from the engine? I had a similar issue which
turned out to be the transmission. The 'under load' part seems to point in
that direction. Also since it started after the transmission installation...
>
> It doesn't appear to be tapping at a rate equal to the RPM, but at what
> seems to be a consistent rate directly related to the RPM. It is not a
> valve.
Is there a difference in different gears? Does it go away in fourth? If
so it is layshaft related. BTDT.
Dave
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