amal valves
14-12-2007, 12:09 PM
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amal valves
hi i'm new to turbos and would like to know
what a amal valve is/does
do all turbos have them
do they need them as when we took the turbo engine out i did see one with my engine and wondering weather i need one thanx
what a amal valve is/does
do all turbos have them
do they need them as when we took the turbo engine out i did see one with my engine and wondering weather i need one thanx
14-12-2007, 02:08 PM
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The amal valve is an electromagnetic three way valve and is in fact the "interface" between the software and hardware in terms of boost control.
In other words, the ECU operates the Amal valve and this valve controls boost pressure.
It's a safe mode, when certain parameters are detected as harmfull then the ECU cuts the current to the amal valve and then boost pressure will be lower or in (safe mode).
All ERST had it fitted when they left the factory and no you don't NEED it.
In other words, the ECU operates the Amal valve and this valve controls boost pressure.
It's a safe mode, when certain parameters are detected as harmfull then the ECU cuts the current to the amal valve and then boost pressure will be lower or in (safe mode).
All ERST had it fitted when they left the factory and no you don't NEED it.
14-12-2007, 04:31 PM
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Originally Posted by petermintrst
reading into that, does it mean the engine will still run without but it could potentially massively overboost, be really fast and then go bang?!
Try disconnecting your amal and take it for a spin. You'll notice that your car won't boost as high as normally.
You can leave the valve disconnected or take it completely out of the car but this will mean you have to manually adjust the boost setting to a higher level.
If you do this and the ECU reads dangerous parameters (such as high ACT or knocking), it can't drop the boost to protect your engine....
And it's proper name is a Boost Control Solenoid 
14-12-2007, 10:29 PM
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Bleed valves are shite unless setup right and used sensible! If I'm right "Amal" is the name of the company who produces these solenoids. 
And indeed leave it on. Won't do any harm or make your car slower. In fact, it can be used as a simple 2 stage boost control. Just wire the switched earth via a manually operated switch and you can run a low and high boost at the flick of a switch.....
And indeed leave it on. Won't do any harm or make your car slower. In fact, it can be used as a simple 2 stage boost control. Just wire the switched earth via a manually operated switch and you can run a low and high boost at the flick of a switch.....
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15-12-2007, 12:37 AM
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ok well i don't think i have one fitted as can't remember seeing one on car when we removed engine also car came with in car manual boost valve but this wasn't connectted either lol going to be puting engine back in in next couple of weeks so will see how i go on with this thanx guys
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