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MazdaSpeed 3/6 - Fuel, Nitrous & Water Injection MazdaSpeed 3/6 - Fuel, Nitrous & Water Injection Have a CDFP fuel pump question? Do you want to add Nitrous or Water Injection to your Mazdaspeed 3/6 ? Please come on in!


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 Old 08-13-2015, 11:44 AM   #1
 
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Default Water Meth runninf leaner instead of richer?

Hey guys, I've just recently installed the Snow Performance Stage 1 kit on my 2009 speed 3 running a 50/50 mix of deionized water and 99% pure methyl hydrate. I've verified that the pump is primed and sprays out of the nozzle instantly once energized. I know that the AFR at WOT is suppose to richen up, but I'm getting the complete opposite. I'm targeting 11.8:1 and when not spraying meth the car hits 11.76- 11.83. But with the meth turned on it will average at 11.94 sometimes 12:1. What seems to be causing this slightly leaner condition? Btw I'm using a 175ml/h nozzle which is the smallest one that came with the stage 1 kit. Thanks.
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 Old 08-13-2015, 06:58 PM   #2
 
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Post a log.

Where did you put the nozzle? Pre-throttle body spacer? cold pipe?
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 Old 08-13-2015, 07:32 PM   #3
 
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Default

The 175ml nozzle should not affect your afr at all. To be honest, it's probably barely cooling your intake charge. Lol. I suggest putting the 375ml nozzle in for a k04 car.
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