Insane home Water/meth injection...

Jozseph said:

I know this is an long old thread, anyone have a water-methanol injection system installed on a 6.2L NA engine?

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Why would you want to?

Considering installing one on a 6.2L NA engine.

Joseph

Jozseph said:

Considering installing one on a 6.2L NA engine.

Joseph

Click to expand...

I get what your wanting to put it on. The question is why? I don't see what benefit you would see putting water injection on a naturally asperated engine.

Well I finally pulled my Alky Control, water injection unit off the shelf, I also just received a heavy duty waterproof 24-12 volt DC converter, it's 15 amp continues duty. So hopefully I will get everything hooked up in the next few days. When I do, I'll let you all know how well it works.
The goal is to be able to run 18-20 pounds of boost and keep the EGT down to 1100 or lower.
Right now it makes 10 psi boost and the EGT will go to 1200 easy, so I baby it.

I'm looking forward to this. I think that water injection will help us that burn used oil keep coke off our injectors and out of the piston cups.

Water injection is a great way to clean carbon off pistons, valves and rings. I have the 20:1 LDS pistons in my engine, I'm going to experiment with methanol mixed with the water. I know for fact that alcohol mixed with water will not work on the 22:1 compression engines, it pre ignites.

So besides Jwaller, who is using water injection and running 18+ pound of boost?

Went and picked up a waterproof junction box, to mount the pump in. Also bought a 26 gallon tank for the water, going to mount both in the bed.

How much pressure does the pump need. My truck being an rv I am wondering if i could just plumb into the fresh water system?

The pump is gravity fed, as long as the pump is lower than the water, your good.

How much pressure do we need at the water injector nozzle?

This pump is electronically controled, it's fully programmable. The max pressure it puts out is 250 Psi.
The nozzle is a 10 gph @100 psi.

Here is a link to the company that builds theses systems.

http://www.alkycontrol.com/#!shop/c6cq

I gathered more parts and fittings for the water injection today. Here is a few photos of the pump and water tank location. The tank is 26 gallons.

I finished the water/methanol injection system. It works great, I was able to run over 20 psi boost and keep the EGT at 1200.
This wasn't an optimal setting. I had the injection u it maxed out and obviously had the fuel turned up alot. I ended up going with 15 psi boost and about 50% of the systems capacity. It's running really strong. Here are some photos of the first is he'd install. Still need to paint the pump box.

Is the benefit worth the trouble and cost though? I run mine at 15- 18 psi boost every day, even towing, and I haven't had an issue. No, I don't have a pyro either. And I don't need to be scolded about it. If I melt it down, I'll fix it.
Although, if it was going to melt, it would've done so already, barring an injector failure of course.

So far, I'm pleased with the results. I drove it from south Carolina to north Carolina, pulled some steep grades on the way up. I never sifted out of 5th, ran 15 psi boost for several minutes non stop and the EGT never got over 1150. I do have some methanol mixed with the water, about 1.5% going to keep adding more methanol slowly and see how the engine reacts to it. My compression is 20:1 instead of the 22:1