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461 Posts Member #: 91 Senior Member Live @ Worksop, Work @ Rotherham |
18th Sep, 2009 at 05:26:39pm
Can anyone confirm the thread size in a standard 1275cc head for the water temp sensor.
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Site Admin ![]() 15302 Posts Member #: 337 Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner & TM legend. |
18th Sep, 2009 at 05:48:47pm
5/8 UNF I think
On 29th Nov, 2016 madmk1 said:
On 28th Nov, 2016 Rob Gavin said:
I refuse to pay for anything else Like fuel 😂😂 |
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![]() 12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
18th Sep, 2009 at 05:55:54pm
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? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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8604 Posts Member #: 573 Formerly Axel Podland |
18th Sep, 2009 at 05:59:39pm
5/8 UNF but tapered. Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
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![]() 11046 Posts Member #: 965 Post Whore Preston On The Brook |
18th Sep, 2009 at 06:30:46pm
On 18th Sep, 2009 Paul S said:
5/8 UNF but tapered. Are you sure? 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........ |
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8604 Posts Member #: 573 Formerly Axel Podland |
18th Sep, 2009 at 06:33:06pm
Well, I had my SPi head tapped 5/8 UNF parallel and the sensor bottoms out on the hexagon and is a poor seal.
Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
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![]() 11046 Posts Member #: 965 Post Whore Preston On The Brook |
18th Sep, 2009 at 07:01:18pm
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........ |
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8604 Posts Member #: 573 Formerly Axel Podland |
18th Sep, 2009 at 08:33:51pm
Ah, that explains it.
Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
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![]() 6274 Posts Member #: 509 Post Whore Isle of Man |
20th Sep, 2009 at 09:21:59pm
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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348 Posts Member #: 2253 Senior Member Las Vegas, Brit in the States |
20th Sep, 2009 at 10:34:19pm
so are all temo sensor threads the same? i have one from a 998 head. |
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![]() 11046 Posts Member #: 965 Post Whore Preston On The Brook |
21st Sep, 2009 at 01:01:31am
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.
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........ |
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493 Posts Member #: 3894 Senior Member sallys gap. garden of Ireland |
21st Sep, 2009 at 09:23:44pm
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 |
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![]() 11046 Posts Member #: 965 Post Whore Preston On The Brook |
21st Sep, 2009 at 09:36:48pm
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........ |
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493 Posts Member #: 3894 Senior Member sallys gap. garden of Ireland |
22nd Sep, 2009 at 09:36:14am
cheers for that. thanks |
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All the temp sensor/ sender holes I have seen are parallel with a tapered seat

