| [ Total Views: 723 | Total Replies: 6 | Thread Id: 51415 ] |
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 kevo
A.k.a.: kevo Milner
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| posted on April 26th, 2006 at 02:17 PM |
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mechanical gauges
has anyone linked up a mechanical gauge on their car?
i want this type so i know the gauge is displaying correct readings but the cable from sensor to gauge is just under 2m long... for a kombi i will
need about 4m!
my electric gauge is not 100% accurate by any means! my oil pressure gauge must have recieved a power surge through the gauge because now its rooted
and displays jibberish hehe,
this is for water temp by the way. same applies for the oil pressure gauge i need also,
BTW im just waiting on the piston rings to complete the engine rebuild, then my v8 goes back together... i hate waiting for parts im so
impatient!!!
cheers for any feeedbak
kevo
76 baywindow kombi - V8 & Weddle racing diff and gearbox
Daily driven beach cruiser
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555bug
Custom Title Time!
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| posted on April 26th, 2006 at 08:37 PM |
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can't say I've ever seen a mechanical temp guage but my 2c on this is to get decent elec guages and senders. I've always had autometer stuff and
never had a drama,I guess the only way to stuff one would involve the earth on the sender. Anyay ebay is your friend. |
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blutopless2
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| posted on April 26th, 2006 at 08:48 PM |
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What exactly is your gauge doing??
as stated above ^^^ i would go for electric gauges with senders. As you have already found out the mechanical temperature gauges rely on a capillary
tube running from the sensing bulb to the gauge and this is usually going to be quite short as most are designed for front engined cars. As for
mechanical pressure gauges they are ok as they usually come with small flexible tubing which you can run the length of your car... that said i
personally dont like the idea of having a tube filled with oil running from the engine inside the cabin to somewhere in the dash. if this breaks or
leaks then you will soon have hot oil where you dont want it.
see.... air and water do mix 
1974 1300
1997 MK3 Golf GL
2003 NB Cabrio
2012 Golf VI GTI
2014 Audi A4 Quattro |
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kevo
A.k.a.: kevo Milner
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| posted on April 26th, 2006 at 10:28 PM |
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true blutopless2, (uh haha, you realy topless...........mmmmmm hehe)
maybe electrical gauges are the go,
my oil pressure gauge on accessories wil show no pressure that jump up to max pressure than back down to nothing than all the way right again.... then
nothing... yer i think its fuct eh,
thanks for the help guys
76 baywindow kombi - V8 & Weddle racing diff and gearbox
Daily driven beach cruiser
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blutopless2
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| posted on April 27th, 2006 at 09:24 AM |
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hahaha.. im sure you wouldn't wanna see me topless...
there could be a few simple things to check on the oil pressure gauge...
check the needle has not come loose - as it may just be "grabbing" in places to run full scale and back.
If you can open it up and get to the bourdon tube and gearing then check for missing teeth or jamming mechanism etc.
Mechanical gauges are simpler to run and install.
Electrical gauges you have to make sure the sender and gauge are designed to work together and then you wire them correctly. They have the
flexibility of being able to install them wherever you want etc.
if you are in melb i could check out the gauge for you at work and tell you whats wrong with it.
see.... air and water do mix
1974 1300
1997 MK3 Golf GL
2003 NB Cabrio
2012 Golf VI GTI
2014 Audi A4 Quattro |
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Baja Wes
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| posted on April 27th, 2006 at 02:57 PM |
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just because a gauge is mechanical doesn't mean it's accurate. Electrical guages are the go.
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GeorgeL
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| posted on April 28th, 2006 at 02:18 AM |
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| Quote: | Originally
posted by kevo
has anyone linked up a mechanical gauge on their car?
i want this type so i know the gauge is displaying correct readings but the cable from sensor to gauge is just under 2m long... for a kombi i will
need about 4m!
my electric gauge is not 100% accurate by any means! my oil pressure gauge must have recieved a power surge through the gauge because now its rooted
and displays jibberish hehe,
this is for water temp by the way. same applies for the oil pressure gauge i need also,
BTW im just waiting on the piston rings to complete the engine rebuild, then my v8 goes back together... i hate waiting for parts im so
impatient!!!
cheers for any feeedbak
kevo
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A mechanical oil pressure guage can be extended simply by adding the appropriate tubing and fittings. Mechanical temperature guages have a sealed
bulb and capillary tube that cannot be extended. They have to be used in the length supplied. Perhaps a truck supplier might be able to get a
suitable guage.
Personally, I'd stick with quality electrical instruments. They are just as accurate as their mechanical counterparts.
George
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