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      10-26-2012, 12:54 PM   #23
Malek@MRF
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Quote:
Originally Posted by m33 View Post
True to a degree ! I have back to back data proving when untuned for meth it will richen up your AFR's
Which in return causes power loss ! PERIOD , I don't care what nozzle you use or what setup you use , Meth with the above mention configuration has positive effect only when it's 80+ out , once you colder weather it works backwards ...
Again, true to a degree. But out of 100's of cars I have tuned in the past with meth/water, I have yet to see one lose power because it wasn't tuned for the meth. If running pure meth and no water, yes this is definitely possible, but I have never ran the cars I built that way so I couldn't say anything definitively on that.

The colder it is outside, the more dense the air, and the motor has the potential to see more air, especially with forced induction kits, therefor it may run a little more LEAN than usual compared to a hot day. Cold air is also less prone to knocking/detonation. All cars are tuned to be a little more rich in their mapping for hotter weather.
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      10-26-2012, 03:47 PM   #24
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Quote:
Originally Posted by THE-FN-MAN View Post
In the first part of your reply, are you speaking in regards to the car being specifically tuned for it or just as a source for cooling air temps. And in your second part which is still what I'm confused about is to why I would have to run less water meth in the colder parts of the year. I always thought the colder and denser you could get the air the more power so I figured 50 degrees out with meth turned on would be like the perfect storm lol
My post was for no meth specific tuning. The water cools way better than fuel and is used mostly for cooling purposes. Less of it is needed in cold weather. Higher octane is welcome any time and you get that from the meth. Yes, higher octane and cold weather makes more power than higher octane and hot weather.
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      10-26-2012, 04:13 PM   #25
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HydroLock.
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      10-26-2012, 05:45 PM   #26
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Hydro lock lol. Someone would have to have a damn fire hosed rigged up to do that. And since we're on this topic possible damage, am I correct to assume the blower would receive damage before the motor would see any?
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      10-26-2012, 06:45 PM   #27
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Quote:
Originally Posted by THE-FN-MAN View Post
Hydro lock lol. Someone would have to have a damn fire hosed rigged up to do that. And since we're on this topic possible damage, am I correct to assume the blower would receive damage before the motor would see any?
In the case of water ingestion through the intake? The SC would pump it in just like air. It may damage the fins depending upon how suddenly the water is ingested.

You have a much higher chance of hydrolocking from a failed air to water heat exchanger than a meth kit.
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      10-26-2012, 07:07 PM   #28
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      10-26-2012, 08:34 PM   #29
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Quote:
Originally Posted by M3PO
Quote:
Originally Posted by THE-FN-MAN View Post
Hydro lock lol. Someone would have to have a damn fire hosed rigged up to do that. And since we're on this topic possible damage, am I correct to assume the blower would receive damage before the motor would see any?
In the case of water ingestion through the intake? The SC would pump it in just like air. It may damage the fins depending upon how suddenly the water is ingested.

You have a much higher chance of hydrolocking from a failed air to water heat exchanger than a meth kit.
I hope this gentlemen was joking haha and I was just throwing it out there because as many know most supercharged cars suck cold air down from driver side where most companies place the filter and once when I was driving across the country I ran into a gnarly storm and the front of my car went quite deep into a "cross walk ditch" if you will and I was pretty worried about it. Hence why I proved a little further into the hydro lock question. But back to my original question lets give this scenario, if I'm using a 50/50 water meth mix, only for cooling IAT's (car is not specifically tuned for it) can I see a loss of power if the ambient air temp outside is 55 degrees. If yes, how much? If no, at what outside temp would I theoretically lose power?
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      10-26-2012, 08:43 PM   #30
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Quote:
Originally Posted by THE-FN-MAN View Post
That was always how I understood meth to work but my car isn't actually tuned for meth, I use it to lower IAT's
If you car isnt tuned for it..then why use it..IATs are not a problem on an N/A setup so much as an FI setup..where compressed air runs extremely hot..plus the M3s induction system porting from 3 locations ensures plenty of cool air.

Also keep in mind that excessive meth use will wash oil off the cylinder walls (similar to running rich AFRs) especially if not tuned for it.
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      10-26-2012, 08:54 PM   #31
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Quote:
Originally Posted by Yolkster
Quote:
Originally Posted by THE-FN-MAN View Post
That was always how I understood meth to work but my car isn't actually tuned for meth, I use it to lower IAT's
If you car isnt tuned for it..then why use it..IATs are not a problem on an N/A setup so much as an FI setup..where compressed air runs extremely hot..plus the M3s induction system porting from 3 locations ensures plenty of cool air.

Also keep in mind that excessive meth use will wash oil off the cylinder walls (similar to running rich AFRs) especially if not tuned for it.
My car is supercharged
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      10-27-2012, 04:19 AM   #32
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Quote:
Originally Posted by THE-FN-MAN View Post
Hydro lock lol. Someone would have to have a damn fire hosed rigged up to do that. And since we're on this topic possible damage, am I correct to assume the blower would receive damage before the motor would see any?
A friend's 335 got a hydrolock due to over sprayed water/meth no joke
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      10-27-2012, 10:42 AM   #33
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Quote:
Originally Posted by EssM3
Quote:
Originally Posted by THE-FN-MAN View Post
Hydro lock lol. Someone would have to have a damn fire hosed rigged up to do that. And since we're on this topic possible damage, am I correct to assume the blower would receive damage before the motor would see any?
A friend's 335 got a hydrolock due to over sprayed water/meth no joke
Holy crap. That's crazy!
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      10-27-2012, 12:57 PM   #34
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Hydrolock has happened, as have fires from meth igniting on hot exhausts due to spills or leaks. I have run water/meth in various cars for over 10 years and have not experienced either.
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      10-29-2012, 03:28 PM   #35
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Quote:
Originally Posted by THE-FN-MAN View Post
I hope this gentlemen was joking haha and I was just throwing it out there because as many know most supercharged cars suck cold air down from driver side where most companies place the filter and once when I was driving across the country I ran into a gnarly storm and the front of my car went quite deep into a "cross walk ditch" if you will and I was pretty worried about it. Hence why I proved a little further into the hydro lock question. But back to my original question lets give this scenario, if I'm using a 50/50 water meth mix, only for cooling IAT's (car is not specifically tuned for it) can I see a loss of power if the ambient air temp outside is 55 degrees. If yes, how much? If no, at what outside temp would I theoretically lose power?
I gave my thoughts on the previous page. I got nothin' else. Hopefully somebody will confirm or correct me. Otherwise, you might want to look into the possibility of quenching.
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      10-29-2012, 11:24 PM   #36
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The topic of this thread is sure to attact some FBI surfers
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