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In general, yes the TR3B has the same pressure relief as any TR3A.
On Tuesday, May 12, 2020, Jeff Scarbrough <fishplate@gmail.com> wrote:
> Does the TR3B not have an oil pressure relief valve with associated sprin=
g?
>
> On Tue, May 12, 2020 at 6:27 PM andrew uprichard <auprichard@uprichard.ne=
t>
> 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 cam=
e
>> 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 th=
e
>> 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 valv=
e
>> 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
>> http://www.team.net/archive
>>
>> Unsubscribe/Manage: http://autox.team.net/mailman/
>> options/triumphs/fishplate@gmail.com
>>
>
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In general, yes the TR3B has the same pressure relief as any TR3A.<div><br>=
</div><div><br><br>On Tuesday, May 12, 2020, Jeff Scarbrough <<a href=3D=
"mailto:fishplate@gmail.com";>fishplate@gmail.com</a>> wrote:<br><blockqu=
ote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc s=
olid;padding-left:1ex"><div dir=3D"ltr">Does the TR3B not have an oil press=
ure relief valve with associated spring?</div><br><div class=3D"gmail_quote=
"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, May 12, 2020 at 6:27 PM and=
rew uprichard <<a href=3D"mailto:auprichard@uprichard.net"; target=3D"_bl=
ank">auprichard@uprichard.net</a>> wrote:<br></div><blockquote class=3D"=
gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(20=
4,204,204);padding-left:1ex"><div lang=3D"EN-US"><div><p class=3D"MsoNormal=
"><span style=3D"font-family:"Times New Roman",serif">Having (I t=
hink) sorted out the problem with the TR4, I took a recently-finished TR3B =
out for its second inaugural drive.<u></u><u></u></span></p><p class=3D"Mso=
Normal"><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">The first inaugural drive went pretty w=
ell, 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 nothin=
g 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"MsoNormal"><sp=
an 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:"Time=
s New Roman",serif">I checked everything over, even pulled the 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 Puro=
lator 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:"Time=
s New Roman",serif"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNorm=
al"><span style=3D"font-family:"Times New Roman",serif">So 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 again droppe=
d 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"MsoNormal"><s=
pan style=3D"font-family:"Times New Roman",serif">I am running ou=
t of ideas here.=C2=A0 Could it be a bad oil filter head?=C2=A0 Anything el=
se?<u></u><u></u></span></p><p class=3D"MsoNormal"><span style=3D"font-fami=
ly:"Times New Roman",serif"><u></u>=C2=A0<u></u></span></p><p cla=
ss=3D"MsoNormal"><span style=3D"font-family:"Times New Roman",ser=
if">Andrew Uprichard<u></u><u></u></span></p><p class=3D"MsoNormal"><span s=
tyle=3D"font-family:"Times New Roman",serif">Jackson, Michigan<u>=
</u><u></u></span></p></div></div>** <a href=3D"mailto:triumphs@autox.team.=
net" target=3D"_blank">triumphs@autox.team.net</a> **<br>
<br>
et=3D"_blank">http://www.team.net/donate.<wbr>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/<wbr>triumphs</a>=C2=A0=
<a href=3D"http://www.team.net/archive"; rel=3D"noreferrer" target=3D"_blan=
k">http://www.team.net/archive</a><br>
<br>
hs/fishplate@gmail.com" rel=3D"noreferrer" target=3D"_blank">http://autox.t=
eam.net/mailman/<wbr>options/triumphs/fishplate@<wbr>gmail.com</a><br>
</blockquote></div>
</blockquote></div>
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** triumphs@autox.team.net **
Archive: http://www.team.net/pipermail/triumphs http://www.team.net/archive
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