Bob,
Have you re-checked the clearance at full operating temperature? .010â?? cold,
also, and it is a little messy, are you getting good oil flow to the rockers?
The TR motors arenâ??t the quietest to start with, TR4 in my TR3, TR3 in the
Plus Four.
Bill
#dontkillgrandma
On Nov 13, 2020, at 1:00 PM, Bob Nogueira <nogera@hotmail.com> wrote:
Folk, a couple of years ago I did a total rebuild of my TR4 engine. It has
been running well but has the valves do make more noise than I experienced in
the past . Checking the valve clearance it is spot on. Once the engine has been
running for 30 to 45 minutes the noise is much louder.
Oil pressure is solid at 30 to 70 PSI. Engine temp stays at 170 (f). Oil is
20-50 Valvoline Racing Oil.
The rockers are from my spare engine. Head had all new valves (Stainless) and
New bronze guides which were reamed with a bit more tolerance. Re ground cam
and new lifters.
Any suggestions on tracking down the cause of the noise?
Bob Nogueira
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