Home Made Water / Meth Injection ??? Anyone ??
So water / meth injection seems to be a pretty hot topic these days. Just wondering if anyone on here is using it? :6
I am running 10psi for now but once the built motor is ready I plan to hit the stocker with 15psi , just to see how long I can make it last etc. My plan is to wire up a BC to a switch on my shift knob so that it only runs 10psi until I press the button, then bumps to 15. Seems like rather than running a EMS that will control the meth I could just attach it to that swith and it would only spray above 10psi... The kits look like a pretty easy DIY thing to me https://static.summitracing.com/glob...no-20001_w.jpg Peoples main complaints seem to be that they don't spray an even mix to each cylinder .... but I think in a DIY application I would want to drill / tap an IM for another set of injectors, use a small set of injectors like stockers, and basically just a tank with an inline pump wired to my toggle switch .... Thoughts? Experiences? ??? |
Re: Home Made Water / Meth Injection ??? Anyone ??
it works perfectly, spray before the TB and it'll mix fine
------- search before posting, we've had 5 topics on this in the last couple months |
Re: Home Made Water / Meth Injection ??? Anyone ??
I basemapped a car running meth injection once. 30psi on a d16y5 with forged rods and pistons, ran an 11.3 with no LSD and has trapped up to 130mph. Ran high 11's with no intercooler.
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Re: Home Made Water / Meth Injection ??? Anyone ??
Originally Posted by JFoster
Peoples main complaints seem to be that they don't spray an even mix to each cylinder ....
The problem is 99.7% of water injection kits either supply a fixed rate of water, or ramp things up based on boost pressure with no regard for how much water is actually needed. You need to keep water:fuel ratio precise (since we tune fuel to match the amount of air entering the engine, this keeps water/power ratio predictable) and then tweak individual injector fuel trims to get everything to match up. Or that's the idea, anyway. |
Re: Home Made Water / Meth Injection ??? Anyone ??
I think this was the most understandable reply by JD on this topic I have ever read! And he couldn't be more right. I was going to do it until I read JD's mind boogling post On it before and decided I wasn't up to the task on my DD
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Re: Home Made Water / Meth Injection ??? Anyone ??
Do I really read like Noam Choamsky speaks? :(
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Re: Home Made Water / Meth Injection ??? Anyone ??
Originally Posted by Joseph Davis
Do I really read like Noam Choamsky speaks? :(
So basically I was wanting it to be simple, like a shot of nitrous ... does it have to be so precise? I mean if your using it to reach for 600+whp on pump then I see how it needs to be controlled perfectly because you're walking the line , but in a lesser aplication such as a ~250whp LSt could the "boost cooler" set up or a DIY clone be used effectively to reach 300whp on weekends ??? http://www.myo-p.com/13.jpg :o ??? :S :3 |
Re: Home Made Water / Meth Injection ??? Anyone ??
You can reach 300 whp on an LS without any of the water injection nonsense.
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Re: Home Made Water / Meth Injection ??? Anyone ??
Originally Posted by Joseph Davis
You can reach 300 whp on an LS without any of the water injection nonsense.
I figure most tuners can reach 230-250 with some relatively mild timing tuning so I should be capable of that once I get a little more confident in my tuning ... the injection just looks like an easy way to tune more agressively and see higher HP #s without so much risk of detonation. |
Re: Home Made Water / Meth Injection ??? Anyone ??
LS is very detonation resistant, you can do 300 yourself. Your first tune should be at least as reliable as paying JDogg $600.
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