[Nobbc] Abnormally high oil pressure

[Mike Gianandrea]

Hi Greg,

If you pull the gauge out, you can test the pressure with regulated air 
pressure. Get a small compressor set to the required pressure limit and 
pressurize the gauge, just be careful. I would then back check the line and 
filter, and then look for a pressure regulator screw, probably on the filter 
housing, such as I found on my Triumph. If you need the gauge repaired, you 
can call Moss Motors. They have an old guy in Southern Calif that they 
reccommend, unfortunately his name escapes me right now. I sent him my oil 
pressure gauge, he quoted me 1 week turn around time, BUT for $25 he turned 
it around in one day, cost $96.

Michael
64 TR4
----- Original Message ----- 
From: "Greg Badano" <gsb1159 at pacbell.net>
To: "North Bay British Car Club" <nobbc at autox.team.net>
Sent: Tuesday, March 23, 2010 9:05 PM
Subject: Re: [Nobbc] Abnormally high oil pressure


> Is there a way to check to see if a mechanical oil pressure gauge is
> functioning properly short of sending to an instrument repair facility? 
> The
> closest one I can find is in Palo Alto and they've got a 5 - 6 week 
> backlog.
> The gauge was manufactured by Smiths and is about 2" in diameter.  I 
> suspect
> the threaded coupling is Whitworth.
>
> Thanks,
>
> Greg
>
> --- On Mon, 3/15/10, Mike Gianandrea <mvg1 at verizon.net> wrote:
>
>
> From: Mike Gianandrea <mvg1 at verizon.net>
> Subject: Re: [Nobbc] Abnormally high oil pressure
> To: "North Bay British Car Club" <nobbc at autox.team.net>
> Date: Monday, March 15, 2010, 7:02 AM
>
>
> Hi Greg,
>
> I had the same problem on my TR to the point that the oil blew through my
> gauge in the dash. There is an adjustment screw on my oil filter housing 
> to
> regulate the oil pressure. I would change my oil and filter, check the oil 
> for
> particlate matter, re-check the pressure, and then look for that 
> adjustment
> screw.
>
> Michael
> 64 TR4
> ----- Original Message ----- From: "Greg Badano" <gsb1159 at pacbell.net>
> To: "North Bay British Car Club" <nobbc at autox.team.net>
> Sent: Sunday, March 14, 2010 9:11 AM
> Subject: [Nobbc] Abnormally high oil pressure
>
>
>> Hello NOBBC members,
>>
>> I was out for a short drive a couple of weeks ago and noticed that my oil
>> pressure was registering abnormally high (40 PSI at idle) so I cut my 
>> short
>> drive even shorter.  Yesterday I started the car up and the oil pressure
> gauge
>> quickly pegged at 100+ PSI (normally it registers around 80 PSI at a cold
>> start) so I shut it down.  For what it is worth, the oil level is correct
> and
>> the coolant is free of oil contamination.
>>
>> Can any of the more mechanically minded members offer any suggestions as 
>> to
>> what might be going on?
>>
>> Thanks in advance for your input.
>>
>> Greg
>> '59 AC Aceca
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