Non-intercooled + Meth

[Swarzkopf]

Swarz, did you tune for the meth yet?

Yep, I was really surprised at the extra room it gave me. Added timing incrementally based on IAT- added a max of 4* of WOT timing at under 120* IAT, with one degree coming out at 120, another at 130, another at 140, and a bunch coming out at 150. Also added some RPM which resulted in another pound of boost at the top of each gear.

Seems to be running very well on the butt dyno- the real test will come tomorrow or Friday night at the track.

 

[19COBRA93]

I've been using alcohol and meth (automotive uses only) for years, and I've never experienced any ill-effects, and absolutely haven't experienced any corrosion of anything. I'd say that's a myth that naysayers like to spread. The only thing you'll find to be corrosive is when water gets into ethanol (not methanol).

 

[Steedman07]

Swarz, your times will improve for sure..I am at 12 lbs. of boost with no hint of knock. The shit works if the tuner knows what he is doing with it. I happen to have a tuner that tunes with it allll the time on STI's and Evo's..

I've been using alcohol and meth (automotive uses only) for years, and I've never experienced any ill-effects, and absolutely haven't experienced any corrosion of anything. I'd say that's a myth that naysayers like to spread. The only thing you'll find to be corrosive is when water gets into ethanol (not methanol).

My only issue in 2 years of running meth is my pump went this spring. But I think it was from the car sitting all winter and me not doing any type of winterizing..Should the system be drained for winter??

 

[Swarzkopf]

Swarz, your times will improve for sure.

I sure hope so! All I want is an 11.anything. I've owned 12 second cars for years and never had anything run 11s before. I'd be thrilled with an 11.99. LOL

 

[Full_Tilt]

Swarzkopf,
Theres no point in me trying to respond to your argument, Ill just let it be for now.
If you feel the need to learn more on this subject and see where I get my information I suggest finding a copy of The High speed Internal Combustion Engine by Harry Ricardo, it has a chapter on this topic. He also wrote a few papers on the subject that are more in depth.



I will just leave this here though:

Recently, I'd noticed that my rate of consumption has been down quite a good deal. IOW, I haven't had to fill the tank for a while. Did a pressure-test on the system and found that the pump was operating normally, so I pulled the nozzle out of the inlet pipe to inspect it.

Now, we all know what a normal, healthy nozzle looks like on the inlet side, right?

Right, it's got a cute little filter screen, made of stainless steel, around the inlet to prevent foreign matter from clogging the delicate little hole in the end. Well, here's what mine looked like:

WTF, right? Where did the screen go? After a brief search, I found most of it at the bottom of the nozzle assembly, clogging the hole that it's supposed to be protecting:

Nice, eh?

This particular nozzle was purchased from one of the major kit vendors, and has been installed on the car for about a year and a half. I've been running about 1/3 methanol to distilled water, which is certainly not an excessive amount. And yet that little screen simply disintegrated. Can't imagine how long it would have lasted were I running 50% methanol, as is the case with the "boost fluid" sold by most of the WI kit companies as being compatible with their systems.

On the plus side, I hadn't re-mapped my ignition table since moving from CA to FL, and apparently that 93 octane gasoline is some pretty good stuff as I hadn't been getting any knock. On the minus side, this was the one failure more that my failsafe system couldn't detect, and of course, it's one that I never expected to happen.

Needless to say, I'm done with Meth. From now on, it's pure water. That, and apparently I need to advance my ignition a bit more.

Methanol does have a corrosive effect upon regular steel. Stainless is supposed to be impervious, though just how impervious depends upon the grade used. One supposes perhaps that these nozzles are made with the cheap stuff.

Anybody here know why all those smart fellows in white coats even bothered with methanol back in the 40's during the heyday of liquid-injection research? Antifreeze. They tested a whole bunch of different alcohols, and methanol just happened to be the cheapest and most widely available that they could find to stop the water from freezing up inside the tanks and lines on the aircraft when they were parked on the ground. (During flight, waste heat from the engines was used to warm the fluid.)

 

[Swarzkopf]

Swarzkopf,

I dont know what else to say to you, theres no point in me trying to respond to your argument.
If you feel the need to learn more on this subject and see where I get my information I suggest finding a copy of The High speed Internal Combustion Engine by Harry Ricardo, it has a chapter on this topic. He also wrote a few papers on the subject that are more in depth.

It's OK to be wrong dude. You obviously have no firsthand experience with the topic at hand and really shouldn't have been replying in the first place. I don't need to read Harry Ricardo's book, either, but thanks. It might be interesting this winter when I'm stuck indoors.

 

[Full_Tilt]

I do have first hand experience with WI, but Im aware of the fact that Im not an engineer and that bolting on some pre-made WI kit doesnt mean anything.

 

[19COBRA93]

My only issue in 2 years of running meth is my pump went this spring. But I think it was from the car sitting all winter and me not doing any type of winterizing..Should the system be drained for winter??

No, just like a fuel tank, it should be filled.

 

[Swarzkopf]

I will just leave this here though:

Right, because posting random pictures of someone's failed, unidentified components really proves your point. Well done.

There are folks in this very thread who have been running meth injection for years without issue, but we should ignore them and listen to you because you found some neat pictures on the internet.

 

[19COBRA93]

FWIW, methanol and brass do NOT mix. Any methanol compatible system won't have any brass in it. Anyone looking to run methanol should look at their system and make sure it's made of stainless steel, or chromed steel. Brass will still work, it will just corrode over time. Aside from brass, lead, and some plastics, methanol really isn't corrosive.

 

[BruceH]

FWIW, methanol and brass do NOT mix. Any methanol compatible system won't have any brass in it. Anyone looking to run methanol should look at their system and make sure it's made of stainless steel, or chromed steel. Brass will still work, it will just corrode over time. Aside from brass, lead, and some plastics, methanol really isn't corrosive.

I used it for a few months and had light corrosion in the throttle body and on the blades. I suppose it could of been from just being wet inside too. That was the only part though.