[E-Type] Normal oil pressure?

i had the oil changed in my car a while back (about 200
miles above). when I checked the level recently it is
about 1/8 inch above the safe range on the dip stick.

Could this be a problem? My oil pressure gauge sits pretty
consistantly at about 50.

Should I drain some to avoid undue pressure on seals?

Thanks Guys!–
Walter - Buffalo NY - 1971 S-II Roadster
buffalo NY, United States
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In reply to a message from Walter sent Sun 9 Aug 2015:

Which seals did you have in mind? My advice: just forget it.

My daughter just bought a new Subaru that was delivered to
her with about 3/4 quart too much oil. They gave her the
same advice.–
The original message included these comments:

Should I drain some to avoid undue pressure on seals?


Randall Carlson '70 FHC, '71 MGB roadster, '97 Ply Voyager
Fairfield, California, United States
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In reply to a message from Walter sent Sun 9 Aug 2015:

Walter:

Over filling the sump has no effect on oil pressure. The
danger in over filling is that the connecting rods start
churning the oil and making it foam. When this happens you
loose oil pressure.

I personally wouldn’t worry about overfilling 1/8 inch.

Pete–
Hendey
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Some of the people on the list run their car with oil a little low to
help avoid “flooding” the rear main seal and so leaking from said
seal.On Sun, Aug 9, 2015 at 9:31 PM, Walter boeckhone@msn.com wrote:

i had the oil changed in my car a while back (about 200
miles above). when I checked the level recently it is
about 1/8 inch above the safe range on the dip stick.

Could this be a problem? My oil pressure gauge sits pretty
consistantly at about 50.

Should I drain some to avoid undue pressure on seals?

Thanks Guys!

Walter - Buffalo NY - 1971 S-II Roadster
buffalo NY, United States
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Les…'68 S1.5 2+2


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In reply to a message from Les Halls sent Mon 10 Aug 2015:

Some people on this list run their engines with oil a little
too high to encourage leaks from the rope seal on the crank

  • which then provides as-you-drive rust protection.
    Especially useful in drought challenged Blighty.–
    Chris Fell, '67 S1 2+2.
    Salisbury, UK, United Kingdom
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In reply to a message from Walter sent Sun 9 Aug 2015:

Don’t worry Walter, it’ll leak out from somewhere.
AS Chris said, an early version of Ziebart.
Dave–
1969 BRG OTS
Skaneateles, NY, United States
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In reply to a message from Walter sent Sun 9 Aug 2015:

Don’t worry Walter, it’ll leak out from somewhere.
AS Chris said, an early version of Ziebart.
Dave–
1969 BRG OTS
Skaneateles, NY, United States
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In reply to a message from Chris Fell sent Mon 10 Aug 2015:

This is great info. Thanks everyone. However is a oil
pressure reading of 50 nominal?–
Walter - Buffalo NY - 1971 S-II Roadster
buffalo NY, United States
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In reply to a message from Walter sent Mon 10 Aug 2015:

Walter,

The specification is 40 psi at 3000 RPM when the engine is
hot (see your owners manual). 50 is a bit high when the
engine is hot. Especially at idle, 20 psi is what to
expect. If you are seeing 50 at idle and at RPMs, suspect
a bad gauge or sender.

Note that the oil pressure gauge is generally worthy of
distrust, and it’s pretty normal to install a mechanical
oil pressure gauge at least temporarily to check the
gauge. I have a mechanical gauge installed permanently
behind the central dash.

Jerry–
Jerry Mouton '64 FHC 889791 ‘MIK Jaguar’
Palo Alto, California, United States
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In reply to a message from mouton sent Mon 10 Aug 2015:

This is interesting. Thanks! Does it make sense to pull the oil
gauge and send it somewhere to he refurbished? Where can I Find
out about a mechanical gauge? (Where to buy, what type and how to
install)?

Thanks again,

Walter–
Walter - Buffalo NY - 1971 S-II Roadster
buffalo NY, United States
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In reply to a message from Walter sent Thu 13 Aug 2015:

Walter,

First, check how close to reality the gauge is by using a
mechanical gauge. You can buy one at pretty much any
Friendly Local Auto Parts Store (FLAPS).

Get a tee with the appropriate threads and any adapters
needed and install it between the oil filter housing and
the instrument sensor, then the mechanical gauge to the
third opening. Make sure the tee is metal to conduct
electricity well. I had no problem finding all this at the
auto parts store or hardware store. After checking you can
remove the tee or leave it in place permanently. I drilled
and tapped a plug into the oil gallery for my permanent
installation. My mechanical gauge is behind the drop-down
center dash.

If it’s close, that’s all you really need. If you really
have 50 psi, there may be something you can do, but it
won’t hurt the engine outside of perhaps encouraging leaks.

Jerry–
Jerry Mouton '64 FHC 889791 ‘MIK Jaguar’
Palo Alto, California, United States
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Walter, it’s not the gauges that cause the problem. The sending units are very inaccurate and don’t last long.
LLoyd

“What terrifies religious extremists like the Taliban are not American tanks or bombs or bullets, it’s a girl with a book.”
Malala Yousafzai----- Original Message -----
In reply to a message from mouton sent Mon 10 Aug 2015:

This is interesting. Thanks! Does it make sense to pull the oil
gauge and send it somewhere to he refurbished? Where can I Find
out about a mechanical gauge? (Where to buy, what type and how to
install)?


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In reply to a message from Walter sent Thu 13 Aug 2015:

I run a mechanical Smiths gauge in place of the electrical
gauge in both of my E-types, and my XJ6. They look great,
and work perfectly. You can buy a brand new repro Smiths
gauge for about $130. Copy and paste this address to check:
http://www.minimania.com/part/13H4459/Smiths-Oil-Pressure-Gauge-Mechanical-90-Degree-Sweep
I don’t know exactly what the back of the gauge fitting is
used, but I was able to get a fitting to tighten down on my
gauges without problems or leaks. You can use the black
bezel that is on your current gauge, or pain the chrome
black on the new one.–
Tom Hishon, 69 E-type 2+2, 69 E-type OTS, 85 XJ6, '03 X-type
Wasilla, Alaska, United States
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In reply to a message from kassaq sent Fri 14 Aug 2015:

I took my sender and gauge out of car, and calibrated the
gauge to the sender at zero psi and at 40 psi using a
compressed air source.

Calibration is tricky and iterative because there are two
adjusters in the gauge that cause the needle to deflect and
show psi.

The calibration process adjusting the gauge was probably and
hour total because after I got the gauge calibrated, I
decided to let it cool off for a day and then check it
again.–
Dennis Vancouver Canada 69 Roadster
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In reply to a message from Walter sent Thu 13 Aug 2015:

Walter, I bought a new Smiths mechanical gauge, from
(www.gaugeguys.com) and had them swap original gauge face to the
new mechanical unit. You’ll need a Brit. thread adaptor for where
the old sender was.

The only way to tell its not original is that it works.

Dave–
1969 BRG OTS
Skaneateles, NY, United States
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In reply to a message from Walter sent Thu 13 Aug 2015:

I have just installed a mechanical oil pressure gauge using
a Smiths from a TR6:

http://www.triumphexp.com/phile/5/37392/Smiths_oil_press_gau
ge.jpg

Pretty close to the look of the E-Type gauges though the
range goes higher (100#) and I had to paint the needle
white.

I used a braided steel line & adaptor from 7Enterprises:


It’s all installed but the engine is out at the moment so I
have not actually tried it (though everything tested well
on another engine).

The TR6 gauges are pretty common on eBay and usually under
30 bucks.–
The original message included these comments:

gauge and send it somewhere to he refurbished? Where can I Find
out about a mechanical gauge? (Where to buy, what type and how to
install)?


Geo Hahn 1969 OTS 4.2
Mt Lemmon, Arizona, United States
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