A different sort of water tank setup. - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 05-02-2007, 07:08 PM   #21
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Sweet warning light. I am going to copy the tank part. I found the same one for a lot less from a carting place.

http://www.out2win.com/catalog/fueltanks.html

I tried to get the 6 quart tank first, but they tell me G-Man stopped making them.

I have the jack shoved into the cavity in front of the spare, and the pump will be moved to just underneath the tank.
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Old 05-02-2007, 09:40 PM   #22
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Originally Posted by Mechazawa View Post
I am going to copy the tank part. I found the same one for a lot less from a carting place.
Nice find. I hadn't even thought about Kart tanks before I ordered mine, but it makes sense- a lot of karts run meth, and by definition they need small, cheap, vented fuel tanks. I'm guessing that this must be sort of a standard tank for some Kart class, since there appear to be tanks from several different manufacturers that conform to that basic shape & size.
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Old 05-03-2007, 07:14 PM   #23
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I hope this isn't too far off topic but do you remember what the idiot light on the far left is?
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Old 05-03-2007, 07:48 PM   #24
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Joe,
If you ever want to sell your car let me know!!!!! Yet another slick addition.
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Old 05-09-2007, 06:03 PM   #25
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For those looking for that tank. Here is another option.

Ebay:
http://cgi.ebay.com/ebaymotors/ws/eB...m=110014281291

27.99$

Just have to pickup mine across the border and install it. Almost done with my Aquamist HFS-5 system. Thanks for the idea!

That will be a perfect fit. I use the same mounting for the tank and even used that hole under the wooden platform to mount the shurflow pump.
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Old 12-29-2007, 08:14 PM   #26
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Nice write up and nice installation. I have had my Devils Own Water Injection system installed for more than a month and love it. I have a different setup on my Miata though since I have a JRSC. I also am running 80% methanol. My pump is mounted near the washer bottle on the fenderwell. And my 4 qt tank is mounted where my spare tire was. My car is always within 30 minutes from my home, so I removed my spare and jack to save weight.

Let us know how your DO system works on your motor. I know that you will be as happy as I am.
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Old 12-30-2007, 07:15 PM   #27
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So basically you can almost double the water you carry on board. And by running 2 pumps, the 2nd isn't really an accumulator (typically pressurized inline) but really a surge tank.

I really like this, this would be a nice simple way for me to avoid running outta juice on track.

How's it holding up btw?
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Old 12-30-2007, 08:27 PM   #28
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Double? More like quadruple. The stock tank has a capacity of about 1.5 liters. And yeah, it's not like an accumulator system. The stock washer bottle is still the "primary" tank, the second tank serves as an automatic refill system for it.

So far so good. Since replacing the JC Whitney pump with the Trico I've had zero problems with the system, running about 50% methanol. Usually when the washer tank starts to get low the switch will come on as I'm going around a turn, then it runs for about 20 or 30 seconds, and shuts off. I usually don't even notice it- the washer bottle just magically stays full all the time.
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Old 12-30-2007, 09:40 PM   #29
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out of curiosity, anyone ever thought about using the truly wasted space in the passthrough areas between the cabin and trunk? It would keep the water closer to the CG of the car. The lines could also be shorter. Just a thought.
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Old 01-03-2008, 08:57 AM   #30
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I removed the spare and jack due to weight reduction advantages for the track days. So I have lots of room in my trunk. Here is what mine looks like. I put it here to help balance out the car.

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Old 01-03-2008, 01:07 PM   #31
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That tank is kinda small man
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Old 01-09-2008, 04:10 AM   #32
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It looks ~4quart/1gallon so it should be sufficient for 30 minute track sessions, yes?
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Old 01-11-2008, 09:16 AM   #33
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FWIW...I have a 1990 with a solid/flat trunk floor (no dips). In the NB's they have a lowered portion on either side (battery drops into right side)...so I did the same thing and have my sitting below the trunk floor...makes it easy to carry extra items and still have use of my bottle.

Yours is a fantastic idea!!
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Old 01-11-2008, 01:47 PM   #34
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Quote:
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It looks ~4quart/1gallon so it should be sufficient for 30 minute track sessions, yes?
I can use 1.5 gallons in 15 or so minutes of full boost. It looks more like 2 quarts to me, but the OP is the only one who knows for sure.
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Old 01-11-2008, 03:24 PM   #35
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Old 01-13-2008, 07:29 AM   #36
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Yep, it is a 4 quart tank. It will depend on how long your pump runs and the size of the nozzle. I run an M2 nozzle and 30 minutes is no problem on a road course. I make 10 quarter mile passes on just over two quarts.
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Old 01-13-2008, 08:24 PM   #37
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Joe, nice install... but what about installing a larger primary tank (like the Canadian models) or a secondary tank in the engine compartment for comparable quantity to simplify things?
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Old 01-14-2008, 04:27 AM   #38
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it is alot simpler to have stuff in the trunk trust me.
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Old 01-14-2008, 01:40 PM   #39
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Quote:
Originally Posted by adjemin View Post
Joe, nice install... but what about installing a larger primary tank (like the Canadian models) or a secondary tank in the engine compartment for comparable quantity to simplify things?
I considered a Canadian tank, however they aren't all that much bigger, and very hard to find here in So.Cal. The tank in the trunk was cost effective, gave me a hugely increased capacity (roughly 6 quarts useful, compared to about 2 qt for the Canadian tank) and was actually pretty simple to do.

As to a larger tank elsewhere under the hood, that was my original idea. There just ain't space for it however. I couldn't even find a place to mount the pump in there, which is how it ended up inside the nose just ahead of the right front wheel.
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Old 01-14-2008, 11:08 PM   #40
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wow what a idea man one of the best builds i have seen super nice congrats nice writeup too
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