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Originally Posted by A4XRBJ1
...Any recommendations what is maybe going wrong? System seems to be installed properly, one injection with 0.7mm noozle on standard pressure right at the end of intercooler, about 15 cm away from the throttle body.
What kind of numbers have others seeing so far in regards to intake temp reduction?
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Water Injection is not fitted for temp reduction primarely.
At least not in the way you've installed it. 15cm away from the throttle body is not much is it?
But fear not :wink:
1. Adding methanol in the mix will drop your temperatures further.
2. During hot, summer days the effect is much more pronounced. In the winter don't expect much difference, but then again temps are low anyway.
3. Water Injection has the main advantage that it provides IN-CYLINDER cooling. It is realised well into the compression stroke so your temp sensor in the intake won't register it. Your
knock sensor will feel the difference though, mainly in the form of absence of knock (or serious reduction)
If your ECU retards ignition under knocking conditions then you will be spared that performance degradation - be safer away from possible damage as well.