Water/meth - school me - Chevy and GMC Duramax Diesel Forum
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post #1 of 3 (permalink) Old 04-16-2016, 09:05 AM Thread Starter
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Water/meth - school me

So i'm pretty well sold on Water/Meth injection. I don't care about the extra power, but I love that fact that it will clean the top end of my engine. I'm in the build planning stage as I have most of the supporting mods installed or already ordered.

What I'm wondering is, how to get it working and how it plays with an existing EFIlive PPEI DSP5. Is it a separate entity as far as usage? Or do I need to have my tunes re-customized.

Additionally, in regards to when used in conjunction with a "race pipe"/egr delete. Most manufacturers of EGR deletes allow for the addition of a few more 1/8NPT bungs for addition of water/meth and boost gauges or NOS. When requesting additional bungs for the purpose of water/meth injection, does specific placement along the boost tube matter?

Lastly, if I wanted to use water meth in conjunction with a boost tube mounted boost gauge, can the meth injectors and boost gauge be placed in the same tube? Does the boost gauge need specific placement either pre/post injectors?


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post #2 of 3 (permalink) Old 04-17-2016, 05:04 AM
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personally I think it is a waste of money, and yes I ran a kit for about 5k miles.

you don't need to be retuned.
it should probably go after the boost line but they can be in the same tube.

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post #3 of 3 (permalink) Old 04-17-2016, 07:41 AM
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Moving thread to Meth section....you'll find most of your answers here
Propane/Nitrous/Meth - Chevy and GMC Duramax Diesel Forum

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