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Old Jun 2, 2008 | 10:15 AM
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Default Water Injection

What are the pros and cons of water injection, especially running 50/50 with water and methanol.

What kind of power gains would be realistic, once mapped in.

Banny
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Old Jun 3, 2008 | 08:52 AM
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Old Jun 3, 2008 | 01:04 PM
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tbh you'd be better off ringing a specialist matey, its not the sort of thing you want to get joe blogs opinion on, to much risk involved.
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Old Jun 3, 2008 | 04:20 PM
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The overall gain once mapped is probably around 3-4 degrees, however when the water injection is initially installed you will lose a couple of degrees of timing anyhow, so an overall net gain would be around 2 degrees of timing...

Normally it's used as a dett suppressant especially on car's used on trackdays regularly, it's also popular on RX7's as their engines run v.hot and it's the WI cools things down quite a bit...

If you do go for one, get the aquamist kit which has the jet monitoring option with it. The jet's do sometimes clog up and you do not want that happening un-noticed especially when W/MI has been mapped in....
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Old Jun 4, 2008 | 10:24 AM
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Cheers for the advice Amir, decided on a aquamist 2d system and a dds3 monitoring gauge. It shows low water level, shows water flow faults and shows the flow pressure.

As the tank I am looking to use a 12 ltr spec c water spray tank and mount it behind the rear seats, as long it fits and will fit the water level sensor to the tank.

Banny

Last edited by banny sti; Jun 4, 2008 at 03:38 PM.
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