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Home > Help Needed / General Tech Chat > Water Temp Sensor

Dicanio

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Live @ Worksop, Work @ Rotherham

Can anyone confirm the thread size in a standard 1275cc head for the water temp sensor.

Cheers in advance


Tom Fenton
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Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner

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5/8 UNF I think


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Like fuel 😂😂


Joe C

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Carlos Fandango

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i think so too.

On 28th Aug, 2011 Kean said:
At the risk of being sigged...

Joe, do you have a photo of your tool?



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Paul S

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Podland

5/8 UNF but tapered.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."


Sprocket

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On 18th Sep, 2009 Paul S said:
5/8 UNF but tapered.


Are you sure?*oh well* All the temp sensor/ sender holes I have seen are parallel with a tapered seat

On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........


Paul S

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Formerly Axel

Podland

Well, I had my SPi head tapped 5/8 UNF parallel and the sensor bottoms out on the hexagon and is a poor seal.

The sensors look tapered.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."


Sprocket

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On 18th Sep, 2009 Paul S said:
Well, I had my SPi head tapped 5/8 UNF parallel and the sensor bottoms out on the hexagon and is a poor seal.

The sensors look tapered.


Did you drill it clean through, or did you leave a tapered seat at the bottom of the hole?

On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........


Paul S

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Formerly Axel

Podland

Ah, that explains it.

I didn't realsie that there was a tapered seat.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."


joeybaby83

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Isle of Man

hmmm, i had an adaptor knocked up to fit a jap sensor in the head (std undrilled), as with you Paul it bottoms out all the way to the flats and did weep slightly, ptfe seems to have it under control now, but i guess time will tell

"Turbo's make torque, and torque makes fun"

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miniboo

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Las Vegas, Brit in the States

so are all temo sensor threads the same? i have one from a 998 head.


Sprocket

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Preston On The Brook

The SPi coolant temp sensor will fit in the same hole as the temp gauge sender. The SPi sensor is a two part item, it has an 'olive' type fitting with a backing nut. The sensor bottoms out in the hole in the head and the nut seals it in, it screws in finger tight and is just nipped to seal it.

There may well be several different temp senders and sensors, but the Mini temp senders, on thr A+ at least all bottom out in the hole.



On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........


1972-ANGUS

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sallys gap. garden of Ireland

are either of these sensors up to the job of sending to a guage with numbers on, or are they BL stylee vague? im looking into new guages and just wondered if these were in need of a change


Sprocket

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Fit a mechanical gauge, I know the TIM one will fit the same hole. They even supply an adapter to fit a 5/8unf through hole without a seat.

On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........


1972-ANGUS

493 Posts
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Senior Member

sallys gap. garden of Ireland

cheers for that. thanks

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