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Does the TR3B not have an oil pressure relief valve with associated spring?
On Tue, May 12, 2020 at 6:27 PM andrew uprichard <auprichard@uprichard.net>
wrote:
> Having (I think) sorted out the problem with the TR4, I took a
> recently-finished TR3B out for its second inaugural drive.
>
>
>
> The first inaugural drive went pretty well, but once the engine temp came
> up, the oil pressure fell like a stone =E2=80=93 and here we are talking =
around
> 40psi at 3000rpm and almost nothing at (what was hot) idle. Adjusting the
> pressure with the screw on the oil filter head did nothing.
>
>
>
> I checked everything over, even pulled the oil pan and checked all the
> bearings (one main and 4 rods) =E2=80=93 all perfect. I really didn=E2=
=80=99t find
> anything, and the specs on the oil pump looked good, but I ordered a new
> pump as well as a new spring for the Purolator oil filter head (the valve
> itself is no longer obtainable).
>
>
>
> So today when I first took it out, the pressure was almost too high =E2=
=80=93
> around 90 at 3000 rpm. But as soon as the engine warmed up, it again
> dropped to scary levels. No leaks, no oil in water or vice versa.
>
>
>
> I am running out of ideas here. Could it be a bad oil filter head?
> Anything else?
>
>
>
> Andrew Uprichard
>
> Jackson, Michigan
> ** triumphs@autox.team.net **
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/triumphs
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>
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>
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<div dir=3D"ltr">Does the TR3B not have an oil pressure relief valve with a=
ssociated spring?</div><br><div class=3D"gmail_quote"><div dir=3D"ltr" clas=
s=3D"gmail_attr">On Tue, May 12, 2020 at 6:27 PM andrew uprichard <<a hr=
ef=3D"mailto:auprichard@uprichard.net";>auprichard@uprichard.net</a>> wro=
te:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px =
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang=3D=
"EN-US"><div class=3D"gmail-m_-7399651955796183834WordSection1"><p class=3D=
"MsoNormal"><span style=3D"font-family:"Times New Roman",serif">H=
aving (I think) sorted out the problem with the TR4, I took a recently-fini=
shed TR3B out for its second inaugural drive.<u></u><u></u></span></p><p cl=
ass=3D"MsoNormal"><span style=3D"font-family:"Times New Roman",se=
rif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNormal"><span style=3D"f=
ont-family:"Times New Roman",serif">The first inaugural drive wen=
t pretty well, but once the engine temp came up, the oil pressure fell like=
a stone =E2=80=93 and here we are talking around 40psi at 3000rpm and almo=
st nothing at (what was hot) idle. Adjusting the pressure with the screw on=
the oil filter head did nothing.<u></u><u></u></span></p><p class=3D"MsoNo=
rmal"><span style=3D"font-family:"Times New Roman",serif"><u></u>=
=C2=A0<u></u></span></p><p class=3D"MsoNormal"><span style=3D"font-family:&=
quot;Times New Roman",serif">I checked everything over, even pulled th=
e oil pan and checked all the bearings (one main and 4 rods) =E2=80=93 all =
perfect.=C2=A0 I really didn=E2=80=99t find anything, and the specs on the =
oil pump looked good, but I ordered a new pump as well as a new spring for =
the Purolator oil filter head (the valve itself is no longer obtainable).<u=
></u><u></u></span></p><p class=3D"MsoNormal"><span style=3D"font-family:&q=
uot;Times New Roman",serif"><u></u>=C2=A0<u></u></span></p><p class=3D=
"MsoNormal"><span style=3D"font-family:"Times New Roman",serif">S=
o today when I first took it out, the pressure was almost too high =E2=80=
=93 around 90 at 3000 rpm.=C2=A0 But as soon as the engine warmed up, it ag=
ain dropped to scary levels. No leaks, no oil in water or vice versa.<u></u=
><u></u></span></p><p class=3D"MsoNormal"><span style=3D"font-family:"=
Times New Roman",serif"><u></u>=C2=A0<u></u></span></p><p class=3D"Mso=
Normal"><span style=3D"font-family:"Times New Roman",serif">I am =
running out of ideas here.=C2=A0 Could it be a bad oil filter head?=C2=A0 A=
nything else?<u></u><u></u></span></p><p class=3D"MsoNormal"><span style=3D=
"font-family:"Times New Roman",serif"><u></u>=C2=A0<u></u></span>=
</p><p class=3D"MsoNormal"><span style=3D"font-family:"Times New Roman=
",serif">Andrew Uprichard<u></u><u></u></span></p><p class=3D"MsoNorma=
l"><span style=3D"font-family:"Times New Roman",serif">Jackson, M=
ichigan<u></u><u></u></span></p></div></div>** <a href=3D"mailto:triumphs@a=
utox.team.net" target=3D"_blank">triumphs@autox.team.net</a> **<br>
<br>
et=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/triumphs"; rel=3D"noreferr=
er" target=3D"_blank">http://www.team.net/pipermail/triumphs</a>=C2=A0 <a h=
ref=3D"http://www.team.net/archive"; rel=3D"noreferrer" target=3D"_blank">ht=
tp://www.team.net/archive</a><br>
<br>
hs/fishplate@gmail.com" rel=3D"noreferrer" target=3D"_blank">http://autox.t=
eam.net/mailman/options/triumphs/fishplate@gmail.com</a><br>
</blockquote></div>
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Archive: http://www.team.net/pipermail/triumphs http://www.team.net/archive
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