John, You might want to visually check your oil pressure sending unit for
any signs of leakage or seepage. My oil pressure light was also coming on
at low rpm (and mid-rpm when it was thoroughly warm) which caused me to
semi-panic. Investigation revealed slight (VERY slight) seepage from the
sender unit. I replaced the sender with a S/W sender & gauge, and was happy
to see that my oil pressure was right on book specs at both idle & at rpm
(Castrol 20-50 completely warmed up).
Cheers, Ree G. in MD - 78 FM73070U O driver, 77 FM62988U wip
----- Original Message -----
From: John Hobson <goalie_john@yahoo.co.uk>
To: <spitfire-enthusiast@yahoogroups.com>; <spitfires@autox.team.net>
Sent: Wednesday, March 13, 2002 4:42 AM
Subject: oil pressure light
> I took Saskia for the commute into work today and for a drive lst night.
> She seemed to be fine except for the slightly annoying exhaust barking at
> 3000rpm +, good for drawing attention to Saskia though!
>
> When I got back and she was sat on the drive and idling at 1200 I blipped
> the gas pedal and the revs dropped to 800rpm (the correct idle). I'm
> sure that I have seen posts in the past that have had a similar problem
> to this, but can't remember how this was fixed, can anyone remind me?
>
> Slightly more worrying was that at 1200rpm the oil warning light
> flickers, and at 1000rpm and below it stays on permanently. This does
> not sound like a good thing to me. Any thoughts on what this could be?
> Could a low oil viscosity cause this? I am not sure what grade of oil
> the garage used.
>
> cheers
> John & Saskia (in the out-patients ward)
> http://www.spit1500.co.uk/
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