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Old 03-06-2013, 01:27 PM   #6
Turd Nugget
Scooby Newbie
Member#: 346017
Join Date: Feb 2013
Location: Southeast WI
2013 STi Wagon
Satin White Pearl


I used to run meth both through the intake and sprayed on the intercooler. When sprayed on the intercooler the liquid which evaporates faster than water just helps a little by making the heat transfer faster basically making the car think its got a bigger intercooler. when on the dyno or track I'd use 100% meth but otherwise i'd use windshield washer fluid, it is just water/meth mix and if you get it to like -30F it is pretty high concentration and waaaaay cheaper than buying meth from a shop. On a hot day without meth I'd see 140+ deg F intake temps, with the meth in the intake it would be down to pretty much ambient, and if I sprayed the intercooler I could get another 5 deg or so.
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