Meth injection vs e85
That is truly a matter of opinion. They are both safe given that you have a proper tune. I would personally say that e85 is safer just because im not a fan of meth and if it isn't installed properly with proper check valves it can be the end of your motor. You will have larger gains and more room to grow with E85. But you will burn through it much faster opposed to running 93 and only using the meth when you got WOT. Some people choose the meth route because e85 isn't readily available. If you can get e85, that is the way to go. Its called liquid gold for a reason :P

There is lots of good info about methanol in the WMI subsection. There is tons of info about E85 listed through out the evo 8/9 tuning, general, and engine/turbo sections.
Meth increases power when it's activated ie wot or whatever you set it to
E85 is on all the time and requires no failsafe.
If meth is all you can get your hands on then it's your best shot at making big power unless there is no buudget in which case you can order c16 racegas or even better purple stuff ftw.
E85 is on all the time and requires no failsafe.
If meth is all you can get your hands on then it's your best shot at making big power unless there is no buudget in which case you can order c16 racegas or even better purple stuff ftw.
Have you ever driven a car on E85? I ran Meth for 2 years on my turbo RX-8 and I hated it. I switched to E85 on my Evo last year, and I'd pay $9/gal and buy VP jugs if I had to. It's that good. If you have it locally and aren't running it, you are missing out.
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Meth inj is a big pita imo, we've got numerous e85 stations around here so no brainer for me. When I first started running it I ran around the stations with an ethanol content tester and found the cleaner more consistent stations through winter most stations go down to about 70 percent around here, except a few stayed around 75 and had much cleaner more pure and clear instead of milky looking ethanol so I stick with those stations. I've taken my injectors out a few times and checked for build up or gunk and never had any issues....ethanol ftw!
Last edited by gpfury86; Jan 21, 2014 at 11:49 AM.
It is nice that I can use it when I want to and simply run pump the rest of the time. With out a few good failsafes and a conservative tune I could see it being dangerous though. I run the HFS-3 with two jets and tune for around a 11.8 to 12.0 afr.
Who knows maybe I will convert eventually. I am making some major changes to my car right now. Till then its devils advocate.
Last edited by mt057; Jan 21, 2014 at 10:09 AM.
If E85 is available near you then definitely go with E85. It's safer, makes more power throughout the powerband, and its "earth friendly". However In my experience, E85 doesn't knock..it just melts ish. but thats a bad tune, not e85s fault I guess.
I think guys saying e85 is safer are jumping the gun. there are more threads on here from blown engines on e85 than there are those from running meth. e85 can clog injectors quite easily. no failsafe for that. properly setup meth kit is very safe. and its a zillion times more practical. I have an e85 station 1 miles from house, and a second around 6 miles. but its not enough. I drive my car everywhere and e85 stations are still non existent by my definition. running two maps sound practical but it is a nitemare if you dont empty tank before switching between fuels. running a standalone with content analyzer is only way to do it if you ask me. but very, very few actually do it that way cause its expensive and complex.
best way to setup a car is the way I do it. with ethanol injection. my own design, simple yet very effective and very practical and reliable. no issues for well over two years now. wouldnt do it any other way.
best way to setup a car is the way I do it. with ethanol injection. my own design, simple yet very effective and very practical and reliable. no issues for well over two years now. wouldnt do it any other way.
I think guys saying e85 is safer are jumping the gun. there are more threads on here from blown engines on e85 than there are those from running meth. e85 can clog injectors quite easily. no failsafe for that. properly setup meth kit is very safe. and its a zillion times more practical. I have an e85 station 1 miles from house, and a second around 6 miles. but its not enough. I drive my car everywhere and e85 stations are still non existent by my definition. running two maps sound practical but it is a nitemare if you dont empty tank before switching between fuels. running a standalone with content analyzer is only way to do it if you ask me. but very, very few actually do it that way cause its expensive and complex.
best way to setup a car is the way I do it. with ethanol injection. my own design, simple yet very effective and very practical and reliable. no issues for well over two years now. wouldnt do it any other way.
best way to setup a car is the way I do it. with ethanol injection. my own design, simple yet very effective and very practical and reliable. no issues for well over two years now. wouldnt do it any other way.
The most practical and safest choice is to run a true FlexFuel solution with flex fuel sensor if you drive the car long distances. It simply isn't necessary for how most people drive the car (short fun drives local to their pumps or track use only). In my case, the Evo went from a fun weather car to track ****, so E85 is my friend. I just haul VP jugs full of corn up to the track with me.


