| [ Total Views: 957 | Total Replies: 14 | Thread Id: 72563 ] |
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 Newt
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| posted on October 27th, 2008 at 11:44 PM |
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Oil Temp Sender
Hi Guys,
Just pondering oil temp senders. I know this has been done before.
What Ive read the thought seemed to be to place a sensor where the dip stick goes on the flat style motor.
On a non flat type case, is there merrit in modifying the case, inserting a couple of studs and making an opening so that a plate with a sensor in it
be mounted?
Or would this be a disaster in the making?
Cheers
Newt
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 vw54
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| posted on October 28th, 2008 at 05:47 AM |
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in a beetle motor ideally the sender unit should go in the sump of the engine
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greedy53
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| posted on October 28th, 2008 at 05:02 PM |
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i put mine into the sump plate easy took it of and had a brass fitting braised in
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Joel
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| posted on October 28th, 2008 at 05:42 PM |
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read sump not sump plate
i did the exact same thing as greedy mention and found like most ppl that have done it for some unexplained reason it never gives an accurate reading
always too low
move it to the type3 filler block off no dramas at all after that and was verified perfectly accurate
that and i also stopped ripping it off on speed bumps as it was the lowest point of the car in the sump plate
some ppl use a plug that replaces the pressure releife valve plug
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Newt
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| posted on October 28th, 2008 at 07:31 PM |
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Cool,
Thanks Guys.
Newt
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68AutoBug
A.k.a.: Lee Noonan
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| posted on October 28th, 2008 at 08:24 PM |
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Yes,
I'm going to do that mod one day...
just tap the hole in the flat spot and screw in the sender.
I'm not sure what the thread size is...
the VDO number on mine is 320 002
Lee
- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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Joel
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| posted on October 28th, 2008 at 09:12 PM |
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most aftermarket senders are 1/8" NPT
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barls
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| posted on October 28th, 2008 at 09:14 PM |
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im using the dipstick one works fine for me
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 Bizarre
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| posted on October 28th, 2008 at 09:41 PM |
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I had one in the rear pressure relief screw thingie
Worked fine
Futue te ipsum!!!
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Newt
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| posted on October 29th, 2008 at 11:19 PM |
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Im ignorant.
Wouldnt - "most aftermarket senders are 1/8" NPT" - be a bit small?
Cheers
Newt
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Joel
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| posted on October 30th, 2008 at 04:38 PM |
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NPT - national pipe thread is some crappy old imperial system
actual thread diameter isnt 1/8" i got no idea how NPT works
but its what most cars use
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Joel
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| posted on October 30th, 2008 at 04:44 PM |
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god bless wikipedia
Nominal
NPT Size
1/8"
Outer
Diameter
10.29mm/0.405"
Threads
per inch
27
Pitch
of Thread
0.03704
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1500S
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| posted on October 30th, 2008 at 10:10 PM |
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| Quote: | Originally
posted by Joel
NPT - national pipe thread is some crappy old imperial system
actual thread diameter isnt 1/8" i got no idea how NPT works
but its what most cars use
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You got it Joel but it really isn't some old crappy imperial thread! It is still the current thread used on pipe fittings in this country as well
as many overseas ones. It just depends on which country it originates from. NP = National Pipe thread which of course is the American Standard.
Here in Australia, we normally use the British pipe threads which is BSP = British Standard Pipe. If you get pipe fittings from hardware stores here,
in most cases they will be BSP whereas auto fittings can be the NP ones. The British system adds a "P" for the parallel thread. The Americans add
an "S" for STRAIGHT thread. Both systems also have tapered threads as well as parallel ones eg. BSPT and NPT.
The oil pressure switch on our VW is M10 x 1 as are the brake lines from memory which is only a couple of thou difference in pitch to the 1/8" NPT.
I'm sure there have been many NPT and even BSPT been screwed into the oil pressure switch position!!
The bloody Yanks couldn't agree with the Poms on the pitch and had most smaller ones 1 T.P.I different! The OD also varies a bit on most. As Joel
mentioned, the size given is the NOMINAL BORE of the pipe.................... but you guys knew that stuff anyway.
A bit of info here for the workshop wall!
http://academic.evergreen.edu/projects/biophysics/technotes/fabric/pipe.htm
DH
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71-BEETLE-SEDAN
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| posted on November 17th, 2009 at 03:49 PM |
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I know this is an old thread but im getting auges next week and want to get an oil temp, has anyone got pics and explianations for there senders
mounted in the current oil pressure spot.
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1303Steve
A.k.a.: Steve Carter
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| posted on November 17th, 2009 at 07:36 PM |
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Hi
You can just use a T peice, it looks nothing like T but is a bit of brass hex rod that screws into your case where the idiot light is, it has 2
outlets one for the original oil light and an extra for your sender.
I feel the best way to fit one without splitting the crank case is to drill and tap the oil pressure relief valve plug.
Steve
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