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21 Posts Member #: 9460 Member newark on trent (notts/lincs border) |
29th May, 2011 at 05:51:53pm
Hello, in the standard plenum-to-carb on mg turbo, there is a overboost valve built in. At what psi does this operate. I have the plenum minus this item, how do I bypass or get the guts to go in it? where do I get it from, whats the official name?
Edited by Emmo on 29th May, 2011. ABS and traction control are for people that should not have bought a car that fast!
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1300 Posts Member #: 829 Post Whore essex |
29th May, 2011 at 08:57:56pm
it is the std dump valve if it is missing then block the hole up and have a tube welded in the plenum chamber hand you can if a external dump valve i think the std one is ok up to 8psi boost 1293 Turbo mini
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 4633 Posts Member #: 20 My sister is so fit I won't show anyone her picture Lake District |
29th May, 2011 at 09:04:00pm
It's not actually a dump valve, it's an overboost valve to blow off around 10psi or so. |
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1300 Posts Member #: 829 Post Whore essex |
29th May, 2011 at 09:15:10pm
so it will do the same job when you take your foot off the throttle it will open 1293 Turbo mini
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1226 Posts Member #: 9271 Post Whore Stoke on Trent |
29th May, 2011 at 09:32:41pm
I thought it was just a pressured sprig that was a fail safe if the actuator didnt open to stop it overboosting past 10 psi ish. one day boost will be mine!
On 10th Mar, 2012 Joe C said:
TBH peple stick it everywhere... and theres merits to each... |
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150 Posts Member #: 8909 Advanced Member North Cornwall |
30th May, 2011 at 09:25:42am
On 29th May, 2011 jimmy said:
so it will do the same job when you take your foot off the throttle it will open If in doubt... flat out! The words of a true legend |
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 16540 Posts Member #: 4241 King Gaycharger, butt plug dealer, Sheldon Cooper and a BAC but generally a niceish fella if you dont mind a northerner Rotherham, South Yorkshire |
30th May, 2011 at 09:31:50am
Take the spring out and glue some 5p coins in there On 11th Feb, 2015 robert said:
i tried putting soap on it , and heating it to brown , then slathered my new lube on it 
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Site Admin  15300 Posts Member #: 337 Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner & TM legend. |
30th May, 2011 at 09:42:35am
Or weld an alloy plug in there.
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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21 Posts Member #: 9460 Member newark on trent (notts/lincs border) |
30th May, 2011 at 11:23:55am
thanks very much ABS and traction control are for people that should not have bought a car that fast!
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108 Posts Member #: 9182 Advanced Member |
30th May, 2011 at 08:07:47pm
Whats the differance between an overboost valve an a dump valve? |
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150 Posts Member #: 8909 Advanced Member North Cornwall |
30th May, 2011 at 09:41:47pm
An over boost valve when the pressure gets to a certain pressure that the valve is set to open at.
If in doubt... flat out! The words of a true legend |
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108 Posts Member #: 9182 Advanced Member |
31st May, 2011 at 11:15:44pm
Thanks ,didn't realize the dump valve was vacumn operated I thought it was pressure operated like the boost valve.Is the vacumn taken directly from the inlet manifold? |
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1300 Posts Member #: 829 Post Whore essex |
31st May, 2011 at 11:17:26pm
yes 1293 Turbo mini
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