Electrical oil pressure sender query
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I have recently acquired an original Smiths 0 to 60lb oil pressure gauge for my 1968 Lotus Elan +2 which had previously been fitted with an incorrect capillary Smiths gauge. The trouble is I cannot locate the correct electrical sender to match the 0 to 60 lb Smiths gauge and I don't have the original sender to refer to. I have fitted a sender for a 0 - 100lb gauge but this gives an incorrect low reading. Can anyone tell me which sender I should be fitting and suggest where I can buy one.
Many thanks
Marc
Many thanks
Marc
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Yes
Smiths Industries PT 1817/06 unobtanium...will shortly be trying to modify similar to work,most second-hand units are not serviceable as there are vibrating contacts inside ( similar to the instrument voltage regulator ) which burn out.
John
Smiths Industries PT 1817/06 unobtanium...will shortly be trying to modify similar to work,most second-hand units are not serviceable as there are vibrating contacts inside ( similar to the instrument voltage regulator ) which burn out.
John
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john.p.clegg - Coveted Fifth Gear
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there is a 60psi sender for a Jaguar E type that is available and has the correct impedance, unfortunately the thread is incorrect for an LTC . I seem to remember a topic on here about it but of course the search function defeats me to find it
Kindest regards
Alan Thomas
Alan Thomas
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Spyder fan - Coveted Fifth Gear
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PT 1801/06,if you can find one,re-thread to 1/8 npt 27tpi.
John
John
Last edited by john.p.clegg on Fri Aug 05, 2016 7:05 am, edited 1 time in total.
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john.p.clegg - Coveted Fifth Gear
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Repro part....
Brand: MOSS EUROPE...
...?
John
P.S.
http://www.ebay.co.uk/itm/DAIMLER-JAGUA ... Sw5ZBWJRuM
Brand: MOSS EUROPE...
...?
John
P.S.
http://www.ebay.co.uk/itm/DAIMLER-JAGUA ... Sw5ZBWJRuM
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john.p.clegg - Coveted Fifth Gear
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Thanks very much for the suggestions. I think the Daimler / Jaguar 1801/06 (C15474) is the way forward. I wonder if there is enough spare metal to re-tap the brass T piece into the block from 1/8 NPT to 1/4 BSP. Has anyone tried this?
Failing that I will try a 1/4 BSP female to 1/8NPT male adapter.
Marc
Failing that I will try a 1/4 BSP female to 1/8NPT male adapter.
Marc
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john.p.clegg wrote:Repro part....
Brand: MOSS EUROPE...
...?
John
P.S.
http://www.ebay.co.uk/itm/DAIMLER-JAGUA ... Sw5ZBWJRuM
Picky...? Won't it work if adapted? Buy from Moss or another reseller and take a guarantee as well. New old stock is nice if you really need original.
Kindest regards
Alan Thomas
Alan Thomas
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Not being picky but
IMHO the sender has to be matched to the gauge for the readings to be anywhere near accurate..
John
IMHO the sender has to be matched to the gauge for the readings to be anywhere near accurate..
John
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john.p.clegg - Coveted Fifth Gear
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John
Interesting, does that mean that gauges and senders were paired (setup together) originally?
If so it makes a nonsense of trying to buy a sender even an original if it's to be used as an uncalibrated item.
I gave up on the electrical pressure gauge years ago, I have a mechanical item that appears standard apart from reading up to 100psi, my LTC had a high pressure pump fitted and ran at60 psi hot as does my zetec.
Interesting, does that mean that gauges and senders were paired (setup together) originally?
If so it makes a nonsense of trying to buy a sender even an original if it's to be used as an uncalibrated item.
I gave up on the electrical pressure gauge years ago, I have a mechanical item that appears standard apart from reading up to 100psi, my LTC had a high pressure pump fitted and ran at60 psi hot as does my zetec.
Kindest regards
Alan Thomas
Alan Thomas
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Gauges and senders were not paired as such but the senders calibrated to match the senders "en masse",and as such sometimes the "intermotor " or other aftermarket senders are way out...
Any oil-fed gauge will probably read better,why do you need such high pressure,more is not always better..
John
Any oil-fed gauge will probably read better,why do you need such high pressure,more is not always better..
John
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john.p.clegg - Coveted Fifth Gear
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60 psi hot is standard on a zetec. My LTC came with a steel bottom end and hp pump.
Consistent pressure is what's needed. If it drops then that's a cause for concern. The actual figure is irrelevant so long as it's flowing
Consistent pressure is what's needed. If it drops then that's a cause for concern. The actual figure is irrelevant so long as it's flowing
Kindest regards
Alan Thomas
Alan Thomas
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Spyder fan - Coveted Fifth Gear
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john.p.clegg wrote:Marc
Why do you have a T-piece?
John
Is that not standard then? The upright off the T piece has the low pressure warning sender screwed in the side and the oil pressure sender screwed into the top. It is this top thread that I will need to increase from 1/8NPT to 1/4BSP to accept the Jaguar pressure sender.
I will post the result.
Marc
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