Currently my TR6 runs low oil pressure (10 -20 psi at hot idle) but I know
it is due to bearing damage.
I had the oil pump seize one morning shortly after startup.
After I replaced the oil pump, the oil pressure never did come up as high as
it had before.
As I recall, It normally ran about 50 psi at idle with the engine hot.
> ----------
> From: George T. Pasek Jr.[SMTP:pasek001@tc.umn.edu]
> Reply To: George T. Pasek Jr.
> Sent: Friday, August 24, 2001 9:54 AM
> To: triumphs@autox.team.net
> Subject: TR6 Oil Pressure
>
> I know that a while back there was some discussion here on oil pressure,
> but the archives are still down, so if you'll forgive me I'll ask.
>
> I bought a 73 TR6 a week ago and it's oil pressure runs about 50lbs when
> the engine is cold, and after the oil gets up to operating temp it runs
> 25lbs above 2000RPM and about 10lbs (as it looks on the guage) at idle.
> The PO rebuilt the engine about a year ago and says that he did not
> check the crank size just installed new "Standard" size main and
> connecting rod bearings, new oil pump, rings, and had the head rebuild
> and new rocker arms. I did the usual... fresh oil (GTX 20-50 of course)
> and new PH3600 spin-on filter, but the pressure remained the same. The
> engine sounds OK, altho yesterday when I had it running up on a rack
> while fixing exhaust leaks I could hear some light bearing noises (or at
> least I assumed thats what it was) when I was right below the sump. I
> never listened to a running engine from the bottom side before so am not
> sure just what I should hear.
>
> So I guess my question is do all of your TR6 engines run in spec with
> the book at 40-60lbs above 2000 RPM, or are there some that run low?
>
> Would I be safer running a fixed weight oil to get the pressure up?
>
> Should I install one of those external oil feeds to the valve cover for
> added protection?
>
> Thanks for any suggestions.
>
> George Pasek
> 73 TR6 (Trixie)
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