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Performance Modifications Want to talk about performance modifications for your Dodge Challenger? This is the forum for that. Anything from exhaust systems to power adders and everything in between. (Dodge Challenger Performance Modifications)

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Old 07-28-2010, 07:12 PM
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water/meth injection

Excluding the money, time, cost of materials, etc. etc. comments....

What are the advantages VS. disadvantages of having the water/meth injected pre-TB or direct port injected?
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Old 07-28-2010, 08:53 PM
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bump bump.......nobody has any input?
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Old 07-28-2010, 10:27 PM
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Originally Posted by stevewalker9 View Post
Excluding the money, time, cost of materials, etc. etc. comments....

What are the advantages VS. disadvantages of having the water/meth injected pre-TB or direct port injected?
Well if this is for a forced induction car generally the farther you have it upstream of the TB and closer to the turbo/sc the longer the water/meth has to cool the charge. That's my understanding anyway and the research I did at the time matched that.
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Old 07-28-2010, 11:05 PM
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A con I would have would be worrying all the time about the system failing.

If it does your engine won't be too happy.
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Old 07-29-2010, 09:09 PM
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Originally Posted by bauza View Post
A con I would have would be worrying all the time about the system failing.

If it does your engine won't be too happy.
That is true to an extent, but only if you tune for it...we never recommend tuning for the Meth, because if there is an issue with delivery or you run out etc, you can run into an issue. However if you use it simply as additional cooling, you wont run into this issue.

There are also failsafes made that can be run with the water/meth system that can prevent issues from cropping up.
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Old 07-30-2010, 07:20 AM
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So what's the best system for our Challengers running blowers that have these safety measures installed?
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Old 07-30-2010, 10:16 AM
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Steve I hope you don't mind me expanding on your question.

What would be the best system for use with a twin screw? What injection method would be best? (direct or intake)

I had heard that it can damage a twin screw to spray through it but I also feel like I've seen people talk about doing it and don't remember anyone saying they shouldn't.
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