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Are S2000s running E85 AND Water/Meth Injection?

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Are S2000s running E85 AND Water/Meth Injection?

Old 06-08-2018, 08:39 PM
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Default Are S2000s running E85 AND Water/Meth Injection?

E85 Vs. Water/Methanol Injection: Which Should You Run?

Anders agreed that the increases from methanol can be substantial and added that he has seen massive gains from the use of direct port water/meth on an application that had already been running E85 and water/meth from the get go.

“I’ve done plenty of testing and water/meth definitely has been a critical factor in a lot of builds,” Anders said. “I’ve seen on some setups, even ones already running E85 and water/meth, just going from a single nozzle in front of a throttle body to a direct port meth kit gains as high as 20 horsepower. There are definitely benefits both ways and running them together is certainly something I entertain all the time–it’s hard to beat.”
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Old 06-09-2018, 05:27 AM
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I do.
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Old 06-09-2018, 09:58 AM
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i dont, thought about it, would not suggest it. i come from the bmw world where everyone was running methanol and i know of too many blown motors due to badly setup meth kits. failsafes are not fast enough for big power at 8-9k rpms
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Old 06-09-2018, 11:02 AM
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I use it purely for IATs..... I run such a small nozzle it barley effects afrs.... plus I have afr safety.
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Old 06-09-2018, 02:31 PM
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Originally Posted by AP1Chief View Post
I use it purely for IATs..... I run such a small nozzle it barley effects afrs.... plus I have afr safety.
Where are you injecting: pre-turbo, pre-throttle, intake manifold plenum, or direct port injection?

Originally Posted by LostMarine View Post
i dont, thought about it, would not suggest it. i come from the bmw world where everyone was running methanol and i know of too many blown motors due to badly setup meth kits. failsafes are not fast enough for big power at 8-9k rpms
All of the manufacturers claim their flow detectors are sufficient in case of failure. In addition, there is the knock detection system. Were the failure from a major injection manufacturer (e.g. Snow, Pro-Meth) or DYI? I remember in the 1990s and early 2000s there were lots of DYI methanol injection systems discussed in Supra-land.

BMW used a Bosch direct-port water injection on their M4 GTS:


Snow and Pre-Meth sell their systems for trucks as an improvement in efficiency. They seem to rely on the IAT temps to let the OEM ECU make the adjustment, so it would handle the adjustment directly.

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Old 06-09-2018, 04:12 PM
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i dont see a point of running meth injection when your already running e85. E85 already give you the ability to not be restricted in power with knock and less you not be octane limited any more. You can easily maxed out your turbo and setup with e85.

Meth injection makes a lot of sense for people that have to run standard 91/93 octane since this fuel limits the power you can make because of the low octane and knock levels you need to run limited levels of timing and boost. with meth injection you can significantly make more power by running more boost and timing.

With e85 you can already run as much timing and boost as your want, so i dont really see a point of running meth with e85.
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Old 06-10-2018, 05:02 AM
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it drops intake temps... which means denser air... which means more power

on my super charger i ran before blower..... and it was insane the amount of boost it added.... turbo i do post turbo before TB.
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Old 06-10-2018, 03:43 PM
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Originally Posted by AP1Chief View Post
it drops intake temps... which means denser air... which means more power

on my super charger i ran before blower..... and it was insane the amount of boost it added.... turbo i do post turbo before TB.
But then wouldn't it make sense to have the water/meth injection before the turbo or on the volute to allow it to compress denser air?

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Old 06-10-2018, 04:37 PM
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Yes it does, but even post cools the post intetcooler air....

dont really have fhe space now anyways for pre Turbo lol
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Old 06-10-2018, 08:51 PM
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Saw this in one product write-up. Two of the three objectives would apply to an E85 fueled car.

Example: A sophisticated water/methanol setup would use a nozzle after the intercooler for air temperature control, direct port for octane boost, and also single nozzle mounted in the turbo inlet spraying directly at the compressor nut.

The post-intercooler nozzle would be set to spray at the point that intake air temperature reduction is needed. -typically at low boost. Once into heavy boost, octane is needed to protect the engine. So, the system is set to activate the direct port solenoid. Lastly, the pre-turbo nozzle's solenoid is activated as the turbo reaches the end of its efficiency zone. This will be found at/just after the torque peak (i.e. typically once the manifold pressure begins to drop at higher rpms). With this control arrangement, fluid consumption is minimized, tuning is easier, and a turbocharger flows air more like a larger one while still spooling quickly.
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