badtoy Posted June 24, 2002 Share Posted June 24, 2002 how do you calculate the ammount of water to spray into the ic pipe? is there any formula? and how do you calculate the size of a wis nozzle? thanks markus Link to comment Share on other sites More sharing options...
Alex Posted June 24, 2002 Share Posted June 24, 2002 Pass But I use the .7mm nozzel - as fitted by Chris Wilson. Does that help? Edit - I run upto 1.4bar Link to comment Share on other sites More sharing options...
badtoy Posted June 25, 2002 Author Share Posted June 25, 2002 thanks alex, it is realy funny, "everybody" runs a wis but nobody knows how to calculate the correct amount of water and the correct nozzle. I think there must be a standard value of a reference temp of charged air measured before the throttle body. everything above this temp must be cooling down. but there must be a formula to calculate that. if you have the correct ammount of water it should be possible to calculate the correct nozzle. markus Link to comment Share on other sites More sharing options...
Guest Martin F Posted June 25, 2002 Share Posted June 25, 2002 Isn't there a chart on Aquamist's site ? Link to comment Share on other sites More sharing options...
paulrenn Posted June 25, 2002 Share Posted June 25, 2002 It's not just the nozzle size that matters, but the pump can be programmed to deliver different amounts of water, if I remember correctly. When I had the GT4, the WI was controlled by the auxilliary map in the Motec EMS, and was dependant on boost etc. Best to check with ERL or CW. Let us know what you find Link to comment Share on other sites More sharing options...
Guest Martin F Posted June 25, 2002 Share Posted June 25, 2002 Most of the systems us guys have, only use a single rate pump. I know Aquamist do a more advanced mapable system but it doesn't tend to be quite so popular. Link to comment Share on other sites More sharing options...
paulrenn Posted June 25, 2002 Share Posted June 25, 2002 Oh, OK Link to comment Share on other sites More sharing options...
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