Originally Posted by jwog666

the optimal mix is 50/50, you can also run pure water, but you will not see the same IAT drops as with 50/50. they do not recommend running more than 50% methanol because above 50% the mix itself becomes combustible and could in theory pose a fire hazzard (methanol flames are invisible), and the IAT drops do not increase with more than 50% meth in the mix. so cost wise, fire wise and optimal IAT temp drop wise 50/50 is the best. i use a paint measuring cup (available at any parts store that sells automotive paint) to measure, 64oz water/64oz meth and then fill old windshield wash bottles with the mix.

Originally Posted by Jly154

Oh wow I figured it'd be better to run more meth than water that's kinda interesting so I assume that the water evaporates?

Originally Posted by jwog666

no my kit is 50 state legal and retains the egr. you should still be able to run your egr even with the air pump disabled on your car if im not mistaken. in order to keep from flagging codes you will most likely have to have a custom off road tune written that prevents the monitors from running

Originally Posted by jwog666

the alcohol evaporates at lower temps then water absorbing heat, and the water provides a quenching action that helps prevent detonation.

Originally Posted by mjr46

just go buy some windshield washer fluid......the kind that has protection down to -20.........been using it for years in my 89 s/c vert

Originally Posted by mjr46

just go buy some windshield washer fluid......the kind that has protection down to -20.........been using it for years in my 89 s/c vert

Originally Posted by jwog666

i prefer to not use window wash due to the dye that they add to color it, it leaves a residue and will over time plug up the nozzle. you can of course remove it and clean it, but using distilled water and meth results in a liquid that has no trace elements to collect in the nozzle. that and by the time you add heat to a gallon of window wash you are spending the same or more than making it yourself, and you know the % of meth is accurate. just my preference

Originally Posted by jwog666

i prefer to not use window wash due to the dye that they add to color it, it leaves a residue and will over time plug up the nozzle. you can of course remove it and clean it, but using distilled water and meth results in a liquid that has no trace elements to collect in the nozzle. that and by the time you add heat to a gallon of window wash you are spending the same or more than making it yourself, and you know the % of meth is accurate. just my preference