WATER INJECTION?.....HHHHHMMMMM? One for the almighty "Chris Monster?"

HotRoddin · 05-25-2005, 12:11 AM

I remember being told by an aviator, that the water injection thing came about with some experimentation they were doing during WWII with fighter planes. His story was, it was used in an emergency for a temporary boost in HP. He also said it usually destroyed the motor very quickly if used. He said it increased the compression ratio by just taking up space in the combustion chamber, as stated you can't compress water, so it effectively made the combustion chamber smaller ???
I have no idea if there is any truth to that story, but the guy that told me that was a P-51 Mustang pilot, and he told a damn good story

Rod

redsn95vert · 05-25-2005, 01:01 PM

I think you guys are talking about a methanol injection system. It's mostly used for turbo or supercharging setups. What it does is use -20 winter washer fluid to cool the air charge. Usually they are powered by the map sensor so that they are only engaged and spray the intake air under high manifold pressure. I think 5.0 or Muscle Mustangs just did an article on it a month or 2 ago..
hope this helps...

05-25-2005, 12:11 AM	#1
HotRoddin cranky old man Join Date: Sep 2001 Location: Longview Texas Posts: 683	Re: WATER INJECTION?.....HHHHHMMMMM? One for the almighty "Chris Monster?" I remember being told by an aviator, that the water injection thing came about with some experimentation they were doing during WWII with fighter planes. His story was, it was used in an emergency for a temporary boost in HP. He also said it usually destroyed the motor very quickly if used. He said it increased the compression ratio by just taking up space in the combustion chamber, as stated you can't compress water, so it effectively made the combustion chamber smaller ??? I have no idea if there is any truth to that story, but the guy that told me that was a P-51 Mustang pilot, and he told a damn good story Rod __________________ Under Construction: 64 Falcon 372 cu in. stroker 1:72 rod ratio 6.250" rods (long rod), Comp Cams XE274 230/236 520/526 @ .050, Scorpion Rollers, Roush 200 irons, 10:1 Keith Blacks, Hedman long tubes, 750 Holley DP, Edelbrock Victor Jr., C4 3500 stall, gears and tires to be anounced.

05-25-2005, 01:01 PM	#2
redsn95vert Registered Member Join Date: Jul 2000 Location: Rochester Posts: 323	Re: WATER INJECTION?.....HHHHHMMMMM? One for the almighty "Chris Monster?" I think you guys are talking about a methanol injection system. It's mostly used for turbo or supercharging setups. What it does is use -20 winter washer fluid to cool the air charge. Usually they are powered by the map sensor so that they are only engaged and spray the intake air under high manifold pressure. I think 5.0 or Muscle Mustangs just did an article on it a month or 2 ago.. hope this helps... __________________ 95 GT convertable, ported+polished GT40 heads, port matched upper and lower Cobra intake manifold, Flowthech headers, Catco hi-flow h-pipe with 2 hi-flow cats, Mac true fit catback exhaust, 3.73 gears, underdrive pullies, Edelbrock 70mm throttle body, Mac cold air intake, FMS 24lb injectors, Granatelli 75mm mass air

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