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few questions about water/methanol?

Old Aug 15, 2008 | 06:16 AM
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Arrow few questions about water/methanol?

How do you guys mix the methanol and water? lets say I need 50/50 mix, do I just fill 50% of the resevior with water and the other half with methanol?

also can I use normal water or it has to be distilled water?

does anyone have a picture on where to place the nozzle?

whats an ideal PSI to start spraying for a stock block 9psi APS TT?
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Old Aug 15, 2008 | 06:31 AM
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yes, 50/50. Snowperformance.net sells already mixed. That is what i buy.

And im not sure on the water but distilled sounds better for some reason

place nozzle before trottle body and after mafs

i have a single turbo but 5psi sounds about right so you dont eat meth that much. but i dont really think meth is neccesary for only 9 psi.
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Old Aug 15, 2008 | 06:39 AM
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You can use windshield washer fluid and mix it with Heet If you buy say -20 degree windshield washer fluid it has about a 20% meth content -30 = 30% meth content and so on. For a 50% mixture and you start out with a gallon of -20 degree washer fluid, I would take out about 48 ounces of washer fluid and add 48 ounces of Heet (which is 99% methanol). Or you can keep it simple and just buy the Boost Juice from Snow Performance. It is about $15-20 dollars per gallon shipped to your door. With a turbo and getting into the boost a lot you will use about a gallon every 2-3 tanks of gas.
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Old Aug 15, 2008 | 06:58 AM
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Doesn't windshield washer fluid have other stuff in it that doesn't burn properly and/or is corrosive?
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Old Aug 15, 2008 | 07:00 AM
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Originally Posted by gothchick
Doesn't windshield washer fluid have other stuff in it that doesn't burn properly and/or is corrosive?

It has some Antifreez and detergent... very small amount though..
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Old Aug 15, 2008 | 07:43 AM
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I purchased two racing fuel jugs, at a local race shop. Then I had them fill one with 5 gallons of pure methanol and then I use the other to mix 50 percent distilled water and 50 percent methanol then I add a few drops of food coloring in it to make it easier to see. It's way cheaper then boost juice, not that it's really expensive but when you add shipping it gets to be. Good luck.
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Old Aug 15, 2008 | 09:20 PM
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I read somewhere that its supposed to be 50/50 by weight not volume
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Old Aug 15, 2008 | 09:39 PM
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Get out your phone book and call some of your local shops and get pure meth you would be suprized how all carries it. Then you can mix it yourself.
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Old Aug 15, 2008 | 09:57 PM
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Originally Posted by TinmansZ
I purchased two racing fuel jugs, at a local race shop. Then I had them fill one with 5 gallons of pure methanol and then I use the other to mix 50 percent distilled water and 50 percent methanol then I add a few drops of food coloring in it to make it easier to see. It's way cheaper then boost juice, not that it's really expensive but when you add shipping it gets to be. Good luck.
+ 1 the cheapest and best way to do it . You know that its 50/50 and using the best stuff
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Old Aug 16, 2008 | 01:11 AM
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Originally Posted by Blackbird CPV35
I read somewhere that its supposed to be 50/50 by weight not volume

can someone confirm this^^^??
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Old Aug 16, 2008 | 04:26 AM
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Originally Posted by booger
+ 1 the cheapest and best way to do it . You know that its 50/50 and using the best stuff

this is true because Water and Meth has different weight. I don't remember the exact weight but just search it. I just woke up so my brain is still half a sleep...lol I know water is heavier than Meth...
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Old Aug 16, 2008 | 06:35 AM
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1 gallon of Methanol weights 6.63lbs, 1 gallon of water weights 8.34lbs.

I also heard that rule regarding the fact that it should be measured by weight, let me look it up.
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Old Aug 16, 2008 | 09:52 AM
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Just run 100% water and call it done, easier to mix too

Don't you know fuel is suppose to flow threw fuel injectors not your throttle body?

Good luck,

-George
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Old Aug 17, 2008 | 09:23 PM
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Originally Posted by Z_boy912
How do you guys mix the methanol and water? lets say I need 50/50 mix, do I just fill 50% of the resevior with water and the other half with methanol?

also can I use normal water or it has to be distilled water?

does anyone have a picture on where to place the nozzle?

whats an ideal PSI to start spraying for a stock block 9psi APS TT?
On a stock block at 9 psi, I don't know if there is much to be gained using water/methanol injection other being able to run lower octane gas. Obviously it will keep things running a little cooler, but at 9 psi I wouldn't expect heat to be a major problem. It may be easier in the long run to be sure that you have a good I/C, radiator and oil cooler.

Once you get into higher boost levels the meth/water injection is good to prevent pre-detonation, but you need to make sure that your bottom end can take the stress at those levels (assuming a commensurate A/F ratio). I didn't see that you indicated what motor you are running, but if it is a VQ35DE, the rods are going to be your weak point...
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Old Aug 18, 2008 | 04:45 AM
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Originally Posted by George@GTM
Just run 100% water and call it done, easier to mix too

Good luck,

-George
im not a meth expert so i dont know if that was sarcasm or serious.
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Old Aug 18, 2008 | 06:39 AM
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Whats this 50/50 crap ???? Real men use 100% meth !!!
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Old Aug 18, 2008 | 06:58 AM
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Luie's plenum explosion turned me off from 100% meth.
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Old Aug 18, 2008 | 07:29 AM
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I have no problems using the 100% so far....If I remember correctly... it was not only the 100% that caused the explosion...it was more like how it was injected.
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Old Aug 18, 2008 | 02:02 PM
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Originally Posted by XKR
I have no problems using the 100% so far
You're worst nightmare will come.
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Old Aug 18, 2008 | 02:11 PM
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Real men use 100% water

350 Rookie, I was not be sarcastic in my previous post. ( I will only be running water in my car )

-George
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