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How about a 911 oil gauge?

 
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Mike924  



Joined: 12 Aug 2004
Posts: 2601
Location: IoW UK

PostPosted: Thu Nov 01, 2007 6:23 pm    Post subject: How about a 911 oil gauge? Reply with quote

It has come to my attention that 911s are fitted with a combined oil pressure/temperature gauge. As some of the guys here have been considering fitting oil temp senders to their cars, this could be a neat solution:

1) it ought to fit in place of the current oil pressure gauge (2" diameter?)

2) 2 gauges for the price of one

3) maintains the standard 'Porsche look' of the dash


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Mike924  



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PostPosted: Thu Nov 01, 2007 6:32 pm    Post subject: Reply with quote

Here's an even nicer one, but judging from the number of warning lights ( ), it might not be a 2" gauge...


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RC  



Joined: 25 Mar 2007
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Location: Australia

PostPosted: Thu Nov 01, 2007 9:04 pm    Post subject: Reply with quote

Before you get too excited Mike did you notice that the 911 gauges read to 5 and ours go to 10 on the pressure scale. The unit of measurement is Kp/cm2 which approximates bars. Our engines generate a lot of oil pressure compared to other Porsches and have uniquely high reading gauges. Not only are the gauges different but also the senders (0-5, 0-10) and their respective resistances. Examination of the VDO specs on various senders will confirm this.

Roger
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Martijnus  



Joined: 29 Dec 2006
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Location: Netherlands

PostPosted: Thu Nov 01, 2007 9:44 pm    Post subject: Reply with quote

the second one would be quite nice... especially for me, I could use all those warning lights for my MS project...
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colin  



Joined: 24 Dec 2006
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Location: iowa, US

PostPosted: Fri Nov 02, 2007 3:20 am    Post subject: Reply with quote

i tried taking my 10 bar unit and putting it in my S which has a 5 bar, didnt work, it was reading full 10 bar all of the time when at idle it sould be 3-4 ish
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Mike924  



Joined: 12 Aug 2004
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PostPosted: Fri Nov 02, 2007 5:40 pm    Post subject: Reply with quote

Come, come, now. Surely no-one believes that the numbers on the guages have any objective meaning. (My oil gauge reads 1.5 bar with the engine off!)

I take the view that they're just 'indicators' - up is more..., down is less... Whatever collection of gauges you've got, you soon get the feel of where the needles should point and then spot the times when they're different (like when the earth strap falls off you're alternator... )

I was just a suggestion, to throw ideas into the pot... Only trying to help.
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Mike924  



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PostPosted: Fri Nov 02, 2007 5:51 pm    Post subject: Reply with quote

colin wrote:
i tried taking my 10 bar unit and putting it in my S which has a 5 bar, didnt work, it was reading full 10 bar all of the time when at idle it sould be 3-4 ish

It ought to be possible to match a more sensitive gauge (such as the 924 unit) to the sender with a resistor to limit the current through the meter head.

Going the other way (e.g. 911 instrument - 924 sender) there's not much you can do. A real pressure of 5 - 6 bar will read about 2 bar on the meter.

Or you could use a different sender. But then Roger's point about the 10 bar limit applies.

Can't have everything I suppose! *sigh*
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1985 Porsche 924 'Lux', Kalahari Beige (my ex)
1993 Porsche 968 Coupe, Midnight Blue, 6 spd

'There is no substitute for a little grease under your fingernails.' - Chrenan, 924board.org
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colin  



Joined: 24 Dec 2006
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PostPosted: Sat Nov 03, 2007 1:02 pm    Post subject: Reply with quote

i think ill just leave mine alone and go out for a drive instead of wasting my time
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morghen  



Joined: 21 Jan 2005
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PostPosted: Sat Nov 03, 2007 6:31 pm    Post subject: Reply with quote

colin wrote:
i think ill just leave mine alone and go out for a drive instead of wasting my time


premium thinking !
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Mike924  



Joined: 12 Aug 2004
Posts: 2601
Location: IoW UK

PostPosted: Mon Nov 05, 2007 6:02 pm    Post subject: Reply with quote

colin wrote:
i think ill just leave mine alone and go out for a drive instead of wasting my time

I think you've missed my point, Colin.

Some of the guys on some of the other threads are thinking of fitting oil temperature gauges and there was some discussion about where on the dash to site the gauge itself. The purpose of my post was to offer a possible alternative for their consideration.

Obviously, there's no point in changing over to a 911 meter just for the sake of it...
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