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Home > Help Needed / General Tech Chat > Anti run on valve

PEP

327 Posts
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North Wales

Awright guys? I think this is an anti run on valve but can anyone tell me why there's a T-piece been put in and what for????

I got given this with mt car and just not sure whats what.

Thanks for any help.*smiley*

http://s1087.beta.photobucket.com/user/pep...448376810130256


Mike-998

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Buckinghamshire

It is, and probably for a vacuum signal feed. the valve would normally be connected to the inlet manifold, so could be used to signal megajolt/dizzy etc.

http://www.turbominis.co.uk/forums/index.p...tid=469104&fr=0


PEP

327 Posts
Member #: 1145
Senior Member

North Wales

Ok thanks. Ive got a vacum gauge. Ill plumb it in2 that pipe. Thanks again


nala56

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Sheffield South Yorkshire GB.

The valve on the end of the pipe is off a metro car set up not normally used in a mini turbo setup.. Alan

Main Build
http://www.turbominis.co.uk/forums/index.php?p=vt&tid=489133

Upgrade to Turbo
http://www.turbominis.co.uk/forums/index.p...tid=448367&fr=0


PEP

327 Posts
Member #: 1145
Senior Member

North Wales

ok, thanks, ive had a load of bits and just trying to see what i need..


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

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Rotherham South Yorkshire

It is not the anti run on valve, it is the float chamber vent valve, used on the metro turbo to vent the float chamber when the engine is switched off, purpose to allow the fuel vapour produced when the fuel gets hot/boils when the car is switched off after a hard run, to stop the common hot starting problem due to the fuel in the float chamber of the carb turning to vapour.
If you wanted you could fit to a Mini in the same way as it was on the Metro, plenty of folk do fine without it though.


On 29th Nov, 2016 madmk1 said:


On 28th Nov, 2016 Rob Gavin said:
I refuse to pay for anything else


Like fuel 😂😂


PEP

327 Posts
Member #: 1145
Senior Member

North Wales

Thank you for that Mr Fenton. Appreciate the heads up.


metroturbo

806 Posts
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North Yorkshire

It is an anti run on valve and it is off the MG Metro. They connect to the inlet manifold on the MG Metro, and they vent straight out of the top, so I wouldn't use it on a boosted car.


PEP

327 Posts
Member #: 1145
Senior Member

North Wales

Ok. Ill put it away. Thanks 4 the heads up


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

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TM legend.

Rotherham South Yorkshire

What size is the pipework?


On 29th Nov, 2016 madmk1 said:


On 28th Nov, 2016 Rob Gavin said:
I refuse to pay for anything else


Like fuel 😂😂


PEP

327 Posts
Member #: 1145
Senior Member

North Wales

i took off a 10mm but ideally coming off the t-piece it should be 8mm-tail off the plenum is about 8


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

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Rotherham South Yorkshire

If the valve has an 8mm tail to connect to then it is the float chamber vent as I said. Anti run on valve is larger.


On 29th Nov, 2016 madmk1 said:


On 28th Nov, 2016 Rob Gavin said:
I refuse to pay for anything else


Like fuel 😂😂


nala56

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Sheffield South Yorkshire GB.

Hope this helps guys.. Alan

Main Build
http://www.turbominis.co.uk/forums/index.php?p=vt&tid=489133

Upgrade to Turbo
http://www.turbominis.co.uk/forums/index.p...tid=448367&fr=0


metroturbo

806 Posts
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North Yorkshire

The turbo vent valve and MG anti run on valve look nothing like each other. I'll bet my cock that that is an MG Metro anti run on valve.


metroturbo

806 Posts
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North Yorkshire

MG Metro antirun on valve
http://www.ebay.co.uk/itm/MG-ROVER-TRIUMPH...W-/330622292824

Metro turbo vent valves (plus two boost solenoids)
http://i538.photobucket.com/albums/ff343/m...57/SDC17520.jpg


PEP

327 Posts
Member #: 1145
Senior Member

North Wales

Thank you for that-you are right it is a anti run on valve. question is do i need it??


Sprocket

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Preston On The Brook

no

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........


nala56

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825 Posts
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Sheffield South Yorkshire GB.

Found some more information, which confirms both opinions to be correct in there own right, if you know what i mean.. Alan

Main Build
http://www.turbominis.co.uk/forums/index.php?p=vt&tid=489133

Upgrade to Turbo
http://www.turbominis.co.uk/forums/index.p...tid=448367&fr=0


PEP

327 Posts
Member #: 1145
Senior Member

North Wales

ok so am i just to block it off on the plenum chamber where it shows 6???


apbellamy

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King Gaycharger, butt plug dealer, Sheldon Cooper and a BAC but generally a niceish fella if you dont mind a northerner

Rotherham, South Yorkshire

No. 6 is the feed to the regulator to tell it to raise the fuel pressure!

On 11th Feb, 2015 robert said:
i tried putting soap on it , and heating it to brown , then slathered my new lube on it

*hehe!*


metroturbo

806 Posts
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North Yorkshire

Number 14 is the vent valve, and it connects to the carb.


Mr Joshua

2497 Posts
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Luton Bedfordshire

What you have is an anti run-on valve from a early ninety's Mini Cooper, it was mounted to the top of the brake servo support frame and 'T' into the servo vacuum line. There is a picture of my engine bay on here showing how it was originally mounted.

Own the day

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