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-   Methanol/Water Injection (https://www.miataturbo.net/methanol-water-injection-22/)
-   -   WI for road racing? (https://www.miataturbo.net/methanol-water-injection-22/wi-road-racing-6410/)

jonnybravo 12-26-2006 10:27 PM

WI for road racing?
 
How much water would get used? How large of a tank will be necessary?

boostinsteve 12-26-2006 11:16 PM

How long are you planning to be racing for. I have a 2.5gallon tank that I use only about 1.5gallons every 4-6 days. I drive it pretty hard too, so, if you really wanted to road race and use just WI to cool the charge, I would use a large resevoir to be safe, or just use it to compliment an intercooler, and set the activate point only close to max boost.

fmowry 12-27-2006 06:52 AM

Depends on your jet size, when you activate it, etc.

Frank

magnamx-5 12-27-2006 08:19 AM

I use about 2 quarts every 15 minutes of on time with a 176cc/min nozzle set rated at 70 psi but operating at 100 psi so my 1.5 gallons will last me for 45 minutes of 4+ psi boost how long is the race how small is your tubro when is the activation point for your system spray. since you are only dealing with one nozzle at 100% duty cycle figuring out your ussage is pretty easy.

Kelly 12-27-2006 10:10 AM

I would recommend the 2.5 gallon tank if you are going to be road racing since you are going to spend a lot of time in boost.

thepope540 12-27-2006 11:26 AM

I would say the 2.5 at least. I used to spray on my WRX and I could go through 1 gal in an afternoon if I was really romping on it.

Al Hounos 12-27-2006 12:29 PM

Anyone know offhand how much the washer reservoir holds?

kotomile 12-27-2006 12:34 PM

Maybe 3 quarts? Doesn't look like much.

cjernigan 12-27-2006 12:37 PM

Pretty sure I could piss and fill it up after a few beers. I'd say ~2 quarts. That's why I got the 4quart-1gallon tank from DO it's pretty small.

chuckerants 12-27-2006 01:58 PM

My US spec 99 holds 3 quarts. IIRC, the Candadian spec WW holds 4 quarts.

turbored 12-27-2006 02:20 PM

there are also different washers depending on whether or not you have abs, with i'm assuming different capacity.

Ben 12-27-2006 02:20 PM


Originally Posted by jonnybravo (Post 67699)
How much water would get used? How large of a tank will be necessary?

How much is dinner?

jonnybravo 12-27-2006 08:09 PM

Huh?

soflarick 12-30-2006 06:18 PM

I went through a 2.5 quart tank every 15 minutes on track. Using 2 60cc nozzles at about 80 psi pressure, engaged at 5 psi and max flow at 10 psi, blower sees 10 psi. It was a pain in the butt to keep refilling, so I got a second 2.5 quart tank to add, and a 5 gallon jug for the mix when I go back to the track. I also have a non-WI and WI calibration for the Emanage just in case.


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