whats the diff between methanol and alcohol injection?
Thread Starter
On The Tree
Joined: Sep 2004
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whats the diff between methanol and alcohol injection? what is it?
i heard methanol was specifically designed for automotive use til i looked into it, and it seems like it is an old invention lol
so whats the diff?
i heard methanol was specifically designed for automotive use til i looked into it, and it seems like it is an old invention lol
so whats the diff?
alcohol
Originally Posted by seal
what is it?
i heard methanol was specifically designed for automotive use til i looked into it, and it seems like it is an old invention lol
so whats the diff?
i heard methanol was specifically designed for automotive use til i looked into it, and it seems like it is an old invention lol
so whats the diff?
Originally Posted by BOONE
Denatured alcohol, "avail at home depot and most places like it," is used mostly as a solvent, and does not cool the air charge as well. Straight meth is a higher octane, and cools way better, its more of a fuel, and i use it straight for just that reason, plus its a fuel so it cuts down on fueling needs a little bit. Denatured is less corrosive than meth so some opt for it, ive had zero problems with corrosion even from the rubber boot i spray it from, ive had it apart several times and its just like the day i put it on, even the plastic manifold. It vaporizes instantly under pressure, "its very volatile" Both are technically alcohol.
Do some people inject windshield wiper fluid? Heard of that a few times...
TECH Enthusiast
Joined: Nov 2003
Posts: 689
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Originally Posted by BottleRocket
how does this compare to spraying the IC with CO2?
On a 70 degree night I see around 80 degrees for inlet temps with meth and 20 psi. CO2 does dick all for IAT's, you might see a 10-15 degree drop from normals and that's it.
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Anyone out there running Meth injection without any intercoolers.. I'm thinking about going just stright blower to the TB with a meth injection..
I just wonder if the intercoolers are really helping that much with my power levels..
Clint
I just wonder if the intercoolers are really helping that much with my power levels..
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Originally Posted by Pro Stock John
...And when folks spray meth, what is it the equivalent, 104, 110, C16?
while i dont doubt this there has to be a point when you are flowing so much meth there is a distribution problem if you are not spraying some in each port.
what this is telling me is i need 8 nozzles, one for each runner and i should be able to run as much boost as i want. the pump that came with the kit is huge and runs at as much as 200+psi. i have a 4 gallon cell so i shouldn't run out.
My buddy sprays meth on his Dakota with Novi 2000 no IC, his temps are slightly above ambient, not exactly sure how much more. He uses straight Meth, not mixed with water.
Thread Starter
On The Tree
Joined: Sep 2004
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Originally Posted by parish8
i think that all depends on how much meth you are spraying. when i talk to may meth guy(julio), he likes to say there is no detonation point you can't supress with meth. if you get to a level where it is detonating just give it more meth and it will go away.
while i dont doubt this there has to be a point when you are flowing so much meth there is a distribution problem if you are not spraying some in each port.
what this is telling me is i need 8 nozzles, one for each runner and i should be able to run as much boost as i want. the pump that came with the kit is huge and runs at as much as 200+psi. i have a 4 gallon cell so i shouldn't run out.
while i dont doubt this there has to be a point when you are flowing so much meth there is a distribution problem if you are not spraying some in each port.
what this is telling me is i need 8 nozzles, one for each runner and i should be able to run as much boost as i want. the pump that came with the kit is huge and runs at as much as 200+psi. i have a 4 gallon cell so i shouldn't run out.
Originally Posted by seal
the more water mixture in the meth, the cooler the intake tempatures will be
i think people use washer fluid but only in a pinch. the ratio of meth to water is not known for sure and may vary from bottle to bottle or from brand to brand. if your set up can handle strait meth i would just stick with that.
Originally Posted by parish8
i think that all depends on how much meth you are spraying. when i talk to may meth guy(julio), he likes to say there is no detonation point you can't supress with meth. if you get to a level where it is detonating just give it more meth and it will go away.
while i dont doubt this there has to be a point when you are flowing so much meth there is a distribution problem if you are not spraying some in each port.
what this is telling me is i need 8 nozzles, one for each runner and i should be able to run as much boost as i want. the pump that came with the kit is huge and runs at as much as 200+psi. i have a 4 gallon cell so i shouldn't run out.
while i dont doubt this there has to be a point when you are flowing so much meth there is a distribution problem if you are not spraying some in each port.
what this is telling me is i need 8 nozzles, one for each runner and i should be able to run as much boost as i want. the pump that came with the kit is huge and runs at as much as 200+psi. i have a 4 gallon cell so i shouldn't run out.
Originally Posted by Lostpatrolman
parish, what do you believe the limit is that requires a nozzle per intake runner? What kind of boost levels are we talking about?
20% fuel replacement is a lot of fuel for my truck, i have a long ways to go. the only thing i can think of as a comparison is a wet shot. i would not be afraid to spray a 200 wet shot so a person could calculate that amount of fuel and asume that you could flow at least that much meth and still get decent distrabution.
another thing for me to consider is there are guys with 3.8L motors spraying way more meth than i am right now. i should be able to look at what they are geting away with and spray even more.
Thread Starter
On The Tree
Joined: Sep 2004
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jeesh now thati'm reading my posts, i got it the other way around
i'm running 25 water, 75 meth... not 75 water 25 meth lol
actually, i dont really know what i'm running haha... i borrowed some from my friend, and it was 25/75 something lol
i'm running 25 water, 75 meth... not 75 water 25 meth lol
actually, i dont really know what i'm running haha... i borrowed some from my friend, and it was 25/75 something lol
So if someone drilled the intake and installed one injector in each runner and used an injector that was small it would work? Is this worth it over just doing one injector before the throttle body? It seems like it would be more efficient at getting all the cylinders cooler.