Boost Juice???
I can’t speak for heet, but washer fluid is 30 percent methanol, vs boost juice that is 50 percent. I use washer fluid now as my concern was lowering intake temps, didn’t want to rely on boost juice for octane or detonation protection. I’m running 93 octane btw.
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And there are benefits to A) it NOT being flammable and B) injecting water in addition to methanol. 
TECH Addict
Joined: Oct 2016
Posts: 2,513
Likes: 480
From: PDX-OR-USA
Water+Methanol+Oxygen=alcohol crystals and corrosion.. Make sure that when the injection is off,, its OFF don't just depend on the pump to keep it out of the engine.. A pump with bypass plus a solenoid valve to release the mix..
Just my experience,, YMMV/Eplurbus Unum
Just my experience,, YMMV/Eplurbus Unum
Water+Methanol+Oxygen=alcohol crystals and corrosion.. Make sure that when the injection is off,, its OFF don't just depend on the pump to keep it out of the engine.. A pump with bypass plus a solenoid valve to release the mix..
Just my experience,, YMMV/Eplurbus Unum
Just my experience,, YMMV/Eplurbus Unum
I have been thinking of rem my A/A IC'er, blocks to much radiator, although it really doesnt overheat,
but heats up quick at an idle,and replacing it with a meth kit. I was going to run the boost juice, but was
wondering how long it last as far as losing its meth content. Evaporation?
but heats up quick at an idle,and replacing it with a meth kit. I was going to run the boost juice, but was
wondering how long it last as far as losing its meth content. Evaporation?
I also run 100% meth. The issue as julio at alky control has pointed out many times is flash point temps. Methanol has a lower flash point, i believe you only need approximately 55-60 degrees of air intake temperature for methanol to atomize. This is relatively easy to achieve whereas a water/methanol mix needs higher iats to flash. This isnt really a problem per se with warmer climates but with cold climates you could easily blow a motor with a water/meth combo. Each situation is different and each combo is different. I run 100% meth but im on a stock bottom end, need the added octane and live in a colder climate. To each their own.
Also see below my conversation with steve williams (aka Frost) one of the best LS tuners on the topic. Back in 2017 when i was putting together my force induction build, he had this to say about methanol.