NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   3rd Generation Specific (https://www.nopistons.com/3rd-generation-specific-18/)
-   -   Water Injection (https://www.nopistons.com/3rd-generation-specific-18/water-injection-12624/)

FikseRxSeven 02-21-2003 09:02 PM

true. if it freezes........ it might even crack the container of water



but if you use the water injection just a precaution and not as something to add more boost then i guess you wont have to worry about detonating( or does it pump enough air , if you run out of water, to cause lean conditions)

94touring 02-21-2003 09:02 PM

Well I believe you add alchohol to keep it from freezing in cold weather. Basically you fill up the water at every gas fillup, its pretty easy to keep up with.

FikseRxSeven 02-21-2003 09:03 PM

but if it worked great in the grand nationals......... i guess it wont hurt much .......... right?

94touring 02-21-2003 09:05 PM


Originally Posted by cmartinp28' date='Feb 21 2003, 07:02 PM
true. if it freezes........ it might even crack the container of water



but if you use the water injection just a precaution and not as something to add more boost then i guess you wont have to worry about detonating( or does it pump enough air , if you run out of water, to cause lean conditions)

Well when it runs out of water, thats it, its just out of water and not pumping air. Freezing and running out of water has never been a problem to those who actually use the system, at least I've never heard of that.

FikseRxSeven 02-21-2003 09:07 PM


Originally Posted by 94touring' date='Feb 21 2003, 07:05 PM
[quote name='cmartinp28' date='Feb 21 2003, 07:02 PM'] true. if it freezes........ it might even crack the container of water



but if you use the water injection just a precaution and not as something to add more boost then i guess you wont have to worry about detonating( or does it pump enough air , if you run out of water, to cause lean conditions)

Well when it runs out of water, thats it, its just out of water and not pumping air. Freezing and running out of water has never been a problem to those who actually use the system, at least I've never heard of that. [/quote]

sounds good, im actually starting to consider it........ just another precaution to preserve my engine https://www.nopistons.com/forums/pub...#>/biggrin.png

kkekeisen 02-22-2003 06:37 PM

another pro is that when the water is heated (absorbs heat), it acts like a steam cleaner for your engine. It will prevent and clean up carbon deposits that cause hotspots and eventually pre-ignition.



kyle

RX73rdgen 02-22-2003 07:25 PM

There were some factory Oldsmobiles in the 50s that came superchargred and had water injection. You were supposed to by a factory mixed alchohol/ water mixture that the dealer sold as "rocket fuel" for your water injection tank.



If you get a high quality and well installed system and you keep up with the water levels I guess you wouldn't have to worry about reliablity too much.



Or you could get a boost controller and run low boost levels on the street and then up the boost for the track w/ water injection...

teknics 02-22-2003 11:30 PM

the Aquamist is supposively the only reccommended water injection by anyone all the others are only thought of as decent.



I'm thinking this might be good for a situation like "rx73rdgen" described, allowing a higher boost to be run at the track while lowering fears of instant detonation.



Plus the steam cleaning aspect is a definite plus to avoid the carbon buildup.



I think water injection should be pushed a bit more https://www.nopistons.com/forums/pub...IR#>/smile.png



kevin.

jspecracer7 02-23-2003 07:23 AM

Water injection is in my next to do list...once the 4.777 final gear/cusco diff are installed https://www.nopistons.com/forums/pub...R#>/tongue.png

zooq 02-23-2003 03:16 PM

has anyone tried water injection while spraying a wet 50 shot of nitrous?

keeping the boost at 15 psi.


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