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-   Methanol/Water Injection (https://www.miataturbo.net/methanol-water-injection-22/)
-   -   what happens if its empty (https://www.miataturbo.net/methanol-water-injection-22/what-happens-if-its-empty-8967/)

BrillntBlk92 04-13-2007 01:34 PM

what happens if its empty
 
just wondering, but i presume everyone always has their wi on, and since it is an aid for timing what do y'all do when its empty? change timing back to compensate without the wi? also, how often, on average, is everyone having to refill their tanks?

neogenesis2004 04-13-2007 01:39 PM

You just don't let it go empty lol. Refill time would depend on the size of your tank. I have a 2.5G tank and didn't refill it once for 2 months. Your best bet is to check it every time you get gas.

Loki047 04-13-2007 01:41 PM


Originally Posted by BrillntBlk92 (Post 101936)
just wondering, but i presume everyone always has their wi on, and since it is an aid for timing what do y'all do when its empty?

It never goes empty.. i am JESUS!!!! only problem is the wine keeps clogging my injectors.

cjernigan 04-13-2007 01:50 PM

I don't see how you could run out. You can get water anywhere, except the desert. If in a bind, even though it's not ideal, pour a bottle of aquafina in it or something. Hell, take a piss in it and you'd be better off then dicking around re-changing your timing. Who the hell carries a timing light everywhere. If you can re-drink your own piss to stay alive I don't see why it couldn't keep your motor alive when needed. lol

BrillntBlk92 04-13-2007 02:00 PM

hahaha......i was more on the basis of where am I going to get methanol abundantly? and thanks for the desert idea, i can't stop thinking about how fun it would be to do one of those zoom zoom commercials and drift sideways everywhere

cjernigan 04-13-2007 02:03 PM

With a 3gph nozzle i bet you use around ~1gal a month.
You can get meth abundantly from fuel suppliers, race shops, maybe some paint stores carry it I don't know. Magnamx-5 would know, he has a 55gal drum.

neogenesis2004 04-13-2007 02:19 PM

every gas station in the world has windshield wiper fluid....

cjernigan 04-13-2007 02:25 PM

^Exactly even if it isn't -20. Most of it, if it has any anti-freezing capability will have meth in it.

magnamx-5 04-13-2007 02:49 PM

yep never let it go dry but if you must justg drive out of boost until you get where you are going no boost=no need for WI 55 gallo drum is a lot of methanol folks.

chuckerants 04-13-2007 03:00 PM


Originally Posted by cjernigan (Post 101970)
^Exactly even if it isn't -20. Most of it, if it has any anti-freezing capability will have meth in it.

IIRC, California has passed a law where WW fluid no longer has Methanol in it.

But, you should be able to find the yellow bottle of Heet anywhere for less than $1.50 per bottle.

Joe Perez 04-13-2007 03:11 PM


Originally Posted by chuckerants (Post 101984)
IIRC, California has passed a law where WW fluid no longer has Methanol in it.

But, you should be able to find the yellow bottle of Heet anywhere for less than $1.50 per bottle.

California Code Title 17, Section 94509 prohibits the sale of washer fluid consisting of more than 10% VOC (Volatile Organic Content) outside of “Type A” areas (places where it has been legally determined to be cold).

So in theory you could still sell +20F fluid (7% meth) but in actual practice all they seem to carry down here is +32F fluid, which is <1% meth.

But you're right- the ubiquitous yellow bottle of Heet is avaliable anywhere, usually about $1.00 to $1.50 for 12oz, and it's roughly 100% methanol. Avoid the red bottle- it's isopropol alcohol. However in a pinch, you probably needen't bother with the meth, just use straight distilled water and take it easy on the boost.

And whatever you do, don't siphon any of the yellow water out of cjernigan's tank. :barf:

neogenesis2004 04-13-2007 03:15 PM

Places where it has legally determined to be cold.....


I always knew the govt controlled the weather!!

cjernigan 04-13-2007 03:29 PM

Wasn't saying I would actually piss in my tank. It's easy for me to drive out of boost all the time if I want so I would just do that till i got some water or got some meth. With as small a nozzle as I will run, I won't have to worry about filling all the time.

miatamania 04-13-2007 05:42 PM

My friend ran out of Meth in his STi at about 29.5 psi...he didn't run out, but his meth malfunctioned and he melted a piston...

Just carrier a bottle of water :)

cjernigan 04-13-2007 05:45 PM

That kind of story makes me want to leave meth out of the picture.
Maybe that's why I keep putting off my install.

Philip 04-13-2007 05:49 PM

even at a 15gph nozzle it goes pretty damn slow, and mine triggers low, like 3psi.

Philip 04-13-2007 05:49 PM


Originally Posted by miatamania (Post 102014)
My friend ran out of Meth in his STi at about 29.5 psi...he didn't run out, but his meth malfunctioned and he melted a piston...

Just carrier a bottle of water :)

this is why you tune off the meth and run it as a safety measure or to lower you ITT.

boostinsteve 04-13-2007 06:06 PM

I go through very little in my 2.5 gallon tank. Tune the car for it to come on a little later than just a few psi if you are worried, that way you can limp home without injuring your motor.

96rdstr 04-13-2007 10:02 PM


Originally Posted by chuckerants (Post 101984)
IIRC, California has passed a law where WW fluid no longer has Methanol in it.

But, you should be able to find the yellow bottle of Heet anywhere for less than $1.50 per bottle.

Long Live the Communist State of California....:td:

Mymiataflys 04-14-2007 01:18 AM

Any problems with when the tank gets low and a long curve pushes the remaining mix to the opposite side of the pickup?? I guess if you tuned without the meth then you'd be ok. I plan to track the car at Roebling road in Sept. and it has a couple of long high speed right handed sweepers.


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