If you go meth make sure you use braided, metal (strong) lines and connectors! I learned this the hard way and will never run meth again. E85 > Meth if you have it in your area. I'll be going that route in the near future.

Agreed. What I was really talking about is the issue of if the meth goes out (and you didn't have another tune), you would have issues.

You absolutely can run a water meth injection system without a tune. The only difference is you wont get the full performance gains, but it will kill detonation. Lots of guys do it, some will go 75w/25m instead of 50/50. It is only half fuel half water and the fuel is an oxidizer as well so it doesnt impact the afrs as much as you think. Any power lost by running richer is gained in charge cooling.

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Do so at your own peril.

:shakeshead:

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It it is not being used for power, then it really does not solve any existing problem(not that I would use it for power).

You get safety from a a great tune, great install and quality parts/supporting mods. The kit is proven to run about 500hp on 91 and more on 93. We all chose safe, responsible tunes, tunes that will never warrant the need for additional safety measure.

There is nothing wrong with it(meth), but I personally would sell it and invest in a return style fuel system, radiator and oil cooler and call that my safety net. Which is what I did...not one hitch yet, running stronger than the day I got it. I wouldn't bother adding anything else to bump the power before addressing that "trifecta".

Off topic. Or is it?
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Have a great weekend guys!

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I got turbo whistle for days

That startup and idle tho. Likely the most exciting video here.

Testing new mic, gotta say it is such a sweet sweet sound. You can smell the e85 burning from this angle!:tiphat:

Oh and this is a cold start, 60 degrees. The car starts like this every....single....time. This kit is a masterpiece indeed.

Yes I clean under the car regularly, enjoy!

Radiator Oil cooler fuel return system are all things that should be on a car in the first place for safety. Trying to steer someone away from using meth setup just because of your own personal reasons is not solid advice. The truth is meth can be used just for safety.

There are pro's and cons for using E85 as well ,there are cars that I know of that have had engine damage using this fuel with some stations having inconsistent E85 at the pump plus a tune that's to aggressive . Now I have not seen this on a 370z because people are just starting to use this fuel on this platform.


What we need on this platform is a real flex fuel tuning solution witch is suppose to come out with Ecutek.

true the e85 concentrations do change from station to station, I have nothing against it it makes great power but a lot of station owners aren't very carefull with it. It absorbs water so the longer it sits in the storage tank at the station the better chance it will a weaker batch if the tank is old. Then there are issues with the actual percentage and octane of the gasoline in the fuel, if you tune with a batch that has less gas or more dissolved water than normal, or if you have to much gas in your tank when you add the e85 you can run into serious issues when you don't have an alcohol percentage sensor in the ecu.

Also right on squeeze, meth is cheap insurance when boosting a factory 11:1 block when a bad batch of fuel, on hot day, pushing the car a little harder than normal, maybe a bit of fuel starve and you started detonating. A lot of tunes are set up safe but **** happens, if the oem tune is set as safe as possible why did nissan bother putting knock detection on it in the first place?

Great now I'm nervous when I get e85. I do have two meth bungs on my charge pipes so I need to hurry and get on that already.

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its usually not something to really worry about, its just like running into a bad batch of gas, but it does happen. the mixing is more important, if you switch between the fuels make sure you do it the way it was when the car was tuned, if you have too much gas in your tank you will lower the octane of the e85 when you fill up, and if you have too much e85 in the tank you will lean out if you fill up on gas. this is why the alcohol percentage sensor is so important, most tunes are safe enough to handle the minor variations but you won't want to fill up when you have a quarter tank of the other fuel left in the car. and a minor variation could still cause you issues if you are a little off and you run in to other problems.

+1. I implemented an aquamist HFS-6 system with dual pre-TB nozzles and even tried small pre-turbo nozzles as well. Just not worth it. I had all the safeties with a flow switch that would cut boost if low flow etc but it was just a headache to keep troubleshooting. When I took off my methanol injection set up - all my "stainless" hose fittings were beginning to show signs of rust.

A safe tune is the way to go and e85 rocks. Too bad there is no PNP Haltech unit for the 370z yet. Being able to mix any qty of E85 and 93 oct is so nice. For the adventuresome, Hal at Dynosty can probably make a custom harness.