Quote Originally Posted by AndyM View Post
Keep in mind that nozzle test was with an Iwaki pump, so it is possible that the extra 'squirt' this pump is able to provide might have a lot to do with the effect.
Well not really. Sure the more pressure you can give it the better BUT, it has (the 4.5mm nozzle) less pressure drop than the GTX. My Iwaki was run at 18v for all blocks, which would be VERY similar to an 18w DDC with petra top.