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Pics inside my intake after 250,000 miles spraying water/methanol

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Old 08-16-2012, 07:23 AM
TheStepChild TheStepChild is offline
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Pics inside my intake after 250,000 miles spraying water/methanol

Thought I'd share these pics.

Brief summary:
At about 129,000 miles I added water methanol injection to my truck. The claimed benefits were increased power, mpgs, and cleaner engine. I saw the power and mpgs for sure. But now, after spraying for about 250,000 miles I got a little peak inside the engine.

Here is the pic from 2008 when the truck had about 129,000 miles and I installed the water/meth:


Not too bad just a little crud.


Here are this weeks pics when I pulled the intake off: (the wet on the outside is the lube I sprayed for a couple days fearing stuck bolts)







Side note: I've seen pics of stock trucks with under 100 k and the intake 40%+ clogged with soot.

I played with different percentages of meth, but for the most part I sprayed straight water and only added methanol in freezing temps.
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Old 08-16-2012, 07:35 AM
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Re: Pics inside my intake after 250,000 miles spraying water/methanol

That's pretty impressive. I haven't heard of water injection in 25 years! Kudos for getting that many miles out of a vehicle. I wish I kept my first car, a 65 Plymouth Valiant. I would have saved a bundle.
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Old 08-16-2012, 08:07 AM
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Re: Pics inside my intake after 250,000 miles spraying water/methanol

Why would spraying water increase power or mpgs?
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Old 08-16-2012, 08:15 AM
TheStepChild TheStepChild is offline
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Re: Pics inside my intake after 250,000 miles spraying water/methanol

They say cleaner burn and more complete combustion.

Within a couple thousand miles of the install I took truck to a dyno to test it. Spraying 50/50 water/meth saw an increase of 102 HP an 200+ tq at the wheels vs no spray. They say straight water would have only been 20-40 HP.
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Old 08-16-2012, 08:51 AM
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Re: Pics inside my intake after 250,000 miles spraying water/methanol

I think that water delays the onset of detonation, allowing a more advanced timing setting. They used to use it on the high horsepower piston aircraft.
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Old 08-16-2012, 12:21 PM
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Re: Pics inside my intake after 250,000 miles spraying water/methanol

Quote:
Originally Posted by TheStepChild View Post
Within a couple thousand miles of the install I took truck to a dyno to test it. Spraying 50/50 water/meth saw an increase of 102 HP an 200+ tq at the wheels vs no spray. They say straight water would have only been 20-40 HP.
This is impossible, everyone knows methanol has a lower energy content than diesel or gasoline.. and water is even worse!

Its just basic chemistry and physics.. same thing that underlies current theories on AGW. Water injection worked in WWII due to a NAZI plot confusing the engineers.
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Old 08-16-2012, 01:31 PM
TheStepChild TheStepChild is offline
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Re: Pics inside my intake after 250,000 miles spraying water/methanol

I can post the dyno slip.

Edit. Or here is a link. Snow did not in any way sponsor the dyno run. I went to an independent shop, on my own without Snow knowledge. Dyno was done at Huckstrof diesel in Franklin WI with a Superflow dyno. Snow has a typo on their site. Baseline power was 360 not 340

http://www.snowperformance.net/dyno_...=diesel&dck=20
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Old 08-16-2012, 03:26 PM
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Re: Pics inside my intake after 250,000 miles spraying water/methanol

Quote:
Originally Posted by herm View Post
This is impossible, everyone knows methanol has a lower energy content than diesel or gasoline.. and water is even worse!

Its just basic chemistry and physics.. same thing that underlies current theories on AGW. Water injection worked in WWII due to a NAZI plot confusing the engineers.


Anyway, there were several fighter planes that had water injection and were very helpful in getting the burst of speed needed to escape enemy aircraft. ALSO, it was used in some early farm tractors. One of the benefits I've heard is the fact that when water turns to steam, it occupies a space about 1800 times as large as when it was liquid, and it does so very rapidly which adds a bit of a kick to the downward motion of the piston.
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Old 08-16-2012, 03:39 PM
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Re: Pics inside my intake after 250,000 miles spraying water/methanol

So it is a temporary thing? At the press of the button or do you run it full-time?
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Old 08-16-2012, 03:54 PM
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Re: Pics inside my intake after 250,000 miles spraying water/methanol

A few more pics of the impossible , aka my setup

Putting together a 27 gallon water tank for more range:




Both tanks, 27 gallon and 7 gallon, tee'd, filtered, and pump:



And at the engine, red lines are water/meth. Lines going to drivers side are for boost gauge and psi gauge.




Stuff works great on a 6.6 turbo diesel. I want to look into it for gas engines. If my next van is gas I may install an injection kit seeing how the van already has a 125 gallon water tank. I just don't know how the gas engine respond. If I get a diesel is getting a kit for sure.
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