waterinjection.info - Jaguar S-type install

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Jaguar S-type install

This is a long thread and many pictures will be posted but only managed to done four so far.

The car is powered by a 4.2L V8, supercharged and sport exhaust fitted.

http://www.aquamist.co.uk/forum/gallery/s-type/1.jpg

http://www.aquamist.co.uk/forum/gallery/s-type/2.jpg

http://www.aquamist.co.uk/forum/gallery/s-type/3.jpg

http://www.aquamist.co.uk/forum/gallery/s-type/4.jpg

The untouched engine bay...

http://www.aquamist.co.uk/forum/gallery/s-type/5.jpg

The next stage is to remove the plastic top cover and then the induction casting....
http://www.aquamist.co.uk/forum/gallery/s-type/6.jpg

Supercharger outlet flange is exposed...
http://www.aquamist.co.uk/forum/gallery/s-type/7.jpg

Flange is removed...
http://www.aquamist.co.uk/forum/gallery/s-type/8.jpg

See the supercharger rotors...
http://www.aquamist.co.uk/forum/gallery/s-type/9.jpg

The next step is to splice in the Fuel's injector's drive wires. As the system used here is 2d based, we need to monitor the PWM signal of the fuel injector. Red wire from the FIA2 goes to the Switched +12v and the Green wire goes to one of the fuel injector's negative switch wire.

http://www.aquamist.co.uk/forum/gallery/s-type/18.jpg

http://www.aquamist.co.uk/forum/gallery/s-type/20.jpg

http://www.aquamist.co.uk/forum/gallery/s-type/21.jpg

http://www.aquamist.co.uk/forum/gallery/s-type/22.jpg

http://www.aquamist.co.uk/forum/gallery/s-type/24.jpg

http://www.aquamist.co.uk/forum/gallery/s-type/25.jpg

http://www.aquamist.co.uk/forum/gallery/s-type/26.jpg

Contnd:

Running pipe and cables to the truck along the lower chassis frame.
http://www.aquamist.co.uk/forum/gallery/s-type/27.jpg

Trunk area un-covered, see through cable and pipe from front.
http://www.aquamist.co.uk/forum/gallery/s-type/28.jpg

Fuse panel trial install:
http://www.aquamist.co.uk/forum/gallery/s-type/29.jpg

puming components trial fitting:
http://www.aquamist.co.uk/forum/gallery/s-type/30.jpg

Assembled fuse panel:
http://www.aquamist.co.uk/forum/gallery/s-type/31.jpg

Assembled pumping components.
http://www.aquamist.co.uk/forum/gallery/s-type/32.jpg

http://www.aquamist.co.uk/forum/gallery/s-type/32.jpg
What a beautiful sight!

And, what is that transparent tank on the left?
Some kind of interim tank?
The main metal tank is nearby, isn't it?

That's a beatifull setup :D . I have one question. Would'nt the accumulators and solenoids/HSVs work better the nearer they are to the jets. My reasoning is, that if the accumulator is all the way in the trunk, ther would be quite some lag between when the engine makes boost (or reaches the desired trigger point) and when the water starts so spray under the desired pressure. I can't imagine several feet of hose between the trunk and the engine helping very much.

Quote:

Originally Posted by PuntoRex

...And, what is that transparent tank on the left?
Some kind of interim tank?
The main metal tank is nearby, isn't it?

The transparent tube worked is air-trap/accumulator, it allows the water to accumulate before entering the water pump. It was designed to be used as follows:

1) Water comes in from the main tank from the bottom and go out into the two pumps inlets.

2) The top venting port goes to the top of the main water tank but is closed-off by a simple on/off solenoid valve (the purple item).

3) When the two pumps demand water from the tube, water from the main tank will automatically refill the tube due to vacuum created by the water displacement.

4) This will continue to work in the same vain provided there are no air delivered from the main tank. It is unlikely anyway because the the float switch (black leaded item) is situated at a level of about 1/4 full. Beyond that, no more water injection - a yellow warning lamp will illuminate on the dash.

5) In the unlikely event of air being develivered, the air will go towards the top of the tube thus preventing air being drawned into the pumps.

6) When injection stops, the controller will open the simple valve for a few seconds so that air (if any) will be vented via the top port into the top of the tank. This action is immediately cancelled when main injection re-commences .

The system was designed to be completely maintenance free so the end user will only need to filled the water tank to re-start the system. If the system is used on a turboed, the "tank empty" signal can lower boost.

http://www.aquamist.co.uk/forum/gallery/s-type/dash.jpg

Quote:

Originally Posted by marck_c

The accumulator (pre-pump) as explained on the above post. We didn't actually use one, we just deliver the pressurised water to the front of the car via 12 ft of 6mm hose. The bracket containing the HSV and mainfold pressure switch (806-157) is on the left side of the engine bay- see pictures below.

http://www.aquamist.co.uk/forum/gall...e/bracket2.jpg

http://www.aquamist.co.uk/forum/gall...e/bracket3.jpg

http://www.aquamist.co.uk/forum/gall...pe/bracket.jpg

When the bulkhead cover was replaced, the bracket could hardly be seen.