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Before going that route, I=E2=80=99d suggest cracking open the feed nut =
on the back of the pressure gauge wile the engine is idling. Have a pan =
under it to catch the dripping oil. Air trapped in the line will also =
cause a bouncing needle even with an engine that is in good condition.=20=
Dave=20
> On Aug 18, 2025, at 6:32 PM, Richard Jim Hockert <rjhco459@gmail.com> =
wrote:
>=20
> Either worn oil pump or worn bearings can result in pulsating oil =
pressure.
>=20
> Unevenly worn bearings can allow leakage in specific positions during =
rotation, which will result in pulsating oil pressure, OR
>=20
> A worn drive gear on the oil pump spindle or camshaft can cause the =
oil pump to pulse. =20
>=20
> Either condition will require inspection inside of the engine - ugh=E2=80=
=A6
> Best regards,
> Jim
>=20
>> On Aug 18, 2025, at 4:49=E2=80=AFPM, Richard Antal via Healeys =
<healeys@autox.team.net> wrote:
>>=20
>> =EF=BB=BF
>> Fellow Healeyphiles,
>> Today my '65 BJ8 showed a rapidly oscillating oil pressure =
needle whether at idle or at speed. Oil level normal says the dipstick. =
The oil pump probably has 130K of use. Is this new finding a harbinger =
of worse things to come? Need I do anything about it? Thanks for any =
advice offered.
>> Rich Antal
>> _______________________________________________
>> Support Team.Net http://www.team.net/donate.html
>> Suggested annual donation $12.75
>>=20
>> Archive: http://www.team.net/pipermail/healeys =
http://autox.team.net/archive/healeys
>>=20
>> Healeys@autox.team.net
>> http://autox.team.net/mailman/listinfo/healeys
>>=20
>> Unsubscribe/Manage: =
http://autox.team.net/mailman/options/healeys/rjhco459@gmail.com
>>=20
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation $12.75
>=20
> Archive: http://www.team.net/pipermail/healeys =
http://autox.team.net/archive/healeys
>=20
> Healeys@autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>=20
> Unsubscribe/Manage: =
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>=20
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" =
class=3D"">Before going that route, I=E2=80=99d suggest cracking open =
the feed nut on the back of the pressure gauge wile the engine is =
idling. Have a pan under it to catch the dripping oil. Air trapped in =
the line will also cause a bouncing needle even with an engine that is =
in good condition. <div class=3D""><br class=3D""></div><div =
class=3D"">Dave <br class=3D""><div><br class=3D""><blockquote =
type=3D"cite" class=3D""><div class=3D"">On Aug 18, 2025, at 6:32 PM, =
Richard Jim Hockert <<a href=3D"mailto:rjhco459@gmail.com"; =
class=3D"">rjhco459@gmail.com</a>> wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><meta =
http-equiv=3D"content-type" content=3D"text/html; charset=3Dutf-8" =
class=3D""><div dir=3D"auto" class=3D""><div class=3D"">Either worn oil =
pump or worn bearings can result in pulsating oil pressure.</div><div =
class=3D""><br class=3D""></div><div class=3D"">Unevenly worn bearings =
can allow leakage in specific positions during rotation, which will =
result in pulsating oil pressure, OR</div><div class=3D""><br =
class=3D""></div><div class=3D"">A worn drive gear on the oil pump =
spindle or camshaft can cause the oil pump to pulse. </div><div =
class=3D""><br class=3D""></div><div class=3D"">Either condition will =
require inspection inside of the engine - ugh=E2=80=A6</div><div =
dir=3D"ltr" class=3D"">Best regards,<div class=3D"">Jim</div></div><div =
dir=3D"ltr" class=3D""><br class=3D""><blockquote type=3D"cite" =
class=3D"">On Aug 18, 2025, at 4:49=E2=80=AFPM, Richard Antal via =
Healeys <<a href=3D"mailto:healeys@autox.team.net"; =
class=3D"">healeys@autox.team.net</a>> wrote:<br class=3D""><br =
class=3D""></blockquote></div><blockquote type=3D"cite" class=3D""><div =
dir=3D"ltr" class=3D"">=EF=BB=BF<div class=3D"yahoo-style-wrap" =
style=3D"font-family:Helvetica Neue, Helvetica, Arial, =
sans-serif;font-size:13px;"><div dir=3D"ltr" data-setdir=3D"false" =
class=3D"">Fellow Healeyphiles,</div><div dir=3D"ltr" =
data-setdir=3D"false" class=3D""> Today my '65 BJ8 =
showed a rapidly oscillating oil pressure needle whether at idle or at =
speed. Oil level normal says the dipstick. The oil pump probably has =
130K of use. Is this new finding a harbinger of worse things to come? =
Need I do anything about it? Thanks for any advice offered.</div><div =
dir=3D"ltr" data-setdir=3D"false" class=3D"">Rich Antal</div></div><span =
class=3D"">_______________________________________________</span><br =
class=3D""><span class=3D"">Support <a href=3D"http://Team.Net"; =
class=3D"">Team.Net</a> <a href=3D"http://www.team.net/donate.html"; =
class=3D"">http://www.team.net/donate.html</a></span><br class=3D""><span =
class=3D"">Suggested annual donation $12.75</span><br =
class=3D""><span class=3D""></span><br class=3D""><span =
class=3D"">Archive: <a href=3D"http://www.team.net/pipermail/healeys"; =
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_________<br class=3D"">Support <a href=3D"http://Team.Net"; =
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_______________________________________________
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