Everything posted by CoyoteKiller
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Water/Meth Injection for Better Fuel Mileage
Have exchanged a few private messages with WShupe on Cummins Forum. It sounds like his main interest is making maximum power for any given setup. Not a bad endeavor in the world of diesel competition, and I understand he is quite good at what he does. For on-road use in California, I have to be willing to make some compromise for smoke control. Will probably go with the F1 AF Mach injectors.
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Water/Meth Injection for Better Fuel Mileage
Just sent a private message to WShupe on Cummins Forum. We'll see what he has to say.
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Water/Meth Injection for Better Fuel Mileage
I found this on Cummins Forum, looks pretty interesting: http://www.cumminsforum.com/forum/94-98-performance/1608546-injector-breakdown.html
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Water/Meth Injection for Better Fuel Mileage
I've heard of Weston injectors, but never been able to find them.
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Water/Meth Injection for Better Fuel Mileage
Thank you for responding. Everyone his indicated that water injection is not really useful in my situation. One of the respondents (JOHNFAK) even tried three systems before giving up on water injection. This is the kind of information I was looking for. Thank you, JOHNFAK. So, water injection is no longer a consideration. Regarding the upcoming injector upgrade, that is still in question. F1 has a good reputation for low smoke, which is important to me. Unfortunately they have ceased production of the Mach 3, which was 130 HP 7 hole SAC. This would have been my 1st choice. That leaves me with Mach 2, a 7 hole SAC rated at 105 HP, or the Mach 4, a 7 hole SAC rated at 150 HP. I'm leaning toward the Mach 2, but wondering if it will be adequate to spin the 64/71 turbo at efficient operating speed. Any suggestions? Please don't tell me the F1s are too pricey. That's for me to decide. I'm only interested in the most efficient, low smoke injectors possible.
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Water/Meth Injection for Better Fuel Mileage
I just refilled for the first time since changing to the bigger turbo. 21.7 MPG, compared to 22.3 before. I was expecting it to be lower, since I've done quite a few runs on the Butt Dyno just to feel the power surge. I've also blown past a few Priuses for pure enjoyment. You've gotta have some fun in this life! So considering everything, I'm VERY pleased with the truck the way it is. I'm pretty certain that 22 MPG is realistic if I could stop enjoying the adrenaline so much.
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Water/Meth Injection for Better Fuel Mileage
I started this topic to find out if water injection was worth consideration. What I found out is I'm doing everything wrong because I'm not exactly like you. Please excuse my inability to accept that there is only one way to do things, your way.
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Water/Meth Injection for Better Fuel Mileage
The 64 is staying! Bigger injectors will be going in sometime this summer. It definitely feels more powerful. I don't give a dam about horsepower, since it's just a calculation. What I care about is passing slow traffic quickly, and that is now a reality.
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Water/Meth Injection for Better Fuel Mileage
I have a 62/65/13 High Tech stainless sitting in the corner which I just took off. I put on the 64/71/14 for great passing power. The power band is now exactly where I want it: 50-90 MPH in about 3 seconds. WOW! I love it.
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Water/Meth Injection for Better Fuel Mileage
Forgot to add the Juice Touch tuner to the description. I run it on 5X1 all the time. The performance of this truck is amazing! It is, after all, just a big boys' toy that gives me a lot of enjoyment. So it's unanimous that water injection is not going to improve anything. That's what I needed to know! Thanks guys. PS - I haven't yet figured out how to add a picture or build signature.
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Water/Meth Injection for Better Fuel Mileage
It sounds like there was a misconception that the truck is running hot all the time. On flat land, I'm seeing 0-1 PSI at 60 MPH, intake air of 100-140F and exhaust temp of 400-500F. The temperature only goes up on the long uphill sections, which is entirely expected. I just thought it would help to lower the temperature on the long ascents. Bigger injectors will be going in soon, after some other things are done. Unfortunately, there is more to life than diesel trucks!
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Water/Meth Injection for Better Fuel Mileage
Gee, I'm surrounded by the administration and it's board of directors. Guess I will return my truck to stock and go home. I'm just grateful I don't have a loose rear end like yours!
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Water/Meth Injection for Better Fuel Mileage
Wanna race?
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Water/Meth Injection for Better Fuel Mileage
Mopar, there's a lot of flat land in the background of your picture. I live at 1,400 feet elevation at the base of a 4,000 foot pass, so there is a shortage of flat land around here. Cruising at 1 PSI at 60 MPH is something I do occasionally after getting well out of the neighborhood. On a 76 mile round trip commute, I'm seeing temperatures as high as 1,000 degrees. This is not conducive to good fuel mileage. The truck is equipped with a high flow stainless steel exhaust manifold from High Tech Turbo, 4" Flowmaster exhaust system, S&B intake system, a big High Tech Turbo intercooler, and a CFM intake manifold. I don't know what else I can do to improve air flow. Turbo is a High Tech 64/71/14 with DDP 75HP injectors. This is not a typical situation, so I thought water injection might help on some of the long, uphill sections.
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Water/Meth Injection for Better Fuel Mileage
I read somewhere on this site that keeping exhaust temperature below 600 degrees F will result in better fuel mileage. One way to accomplish this would be to set up a water/methanol injection system that activates above 600F and deactivates below 600F. The nozzle would have to be quite small to avoid extinguishing the combustion fire. An improvement would be to have a two stage system with a second, slightly larger nozzle that activates at about 700F. I believe Banks Power offers a new water injection system that has the ability to be temperature activated. The temperature trigger points I'm suggesting are, of course, subject to change. A wide array of nozzle aperatures are available. Does anyone have any experience with using water injection to improve fuel mileage? What I am looking for is real world experience in using water/methanol or water/ethanol injection in a diesel engine. Opinions may be useful if they are supported by scientific knowledge. If you want to express your opinion without any experience, be ready to back it up with physics, chemistry and math. I'm sure there are a lot guys out there in the 80,000 pound club that have been using water injection for years. Please help us all out with your vast knowledge and experience.
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Low Smoke Passing Power
The 64/71/14 turbo is now operational, along with a stainless exhaust manifold. As predicted by a lot of participants in this discussion, this larger turbo has resulted in a lot more smoke at low RPMs, even on the economy and tow settings of the Juice Touch. You have to roll onto the accelerator slowly when in overdrive. The good news is that the power band has been moved up the RPM range considerably, which is exactly what I wanted. Passing power is starting to be sensational. Connecting the pump solenoid wire and installing larger injectors are definitely on the agenda this summer. I think the 64/71 turbo is exactly the right move for quicker passing. Less time spent on the wrong side of the road is worth investing in. Now it's just a matter of finding the best fuel delivery settings and driving style to keep the smoke to a minimum. I'm still not certain what injectors will work best. Have read that the VCO design tends to produce less smoke than the SAC design. Also found out yesterday that F1 makes a Mach 3, which is 7 holes and 130 HP. I'm still wondering if the Mach 4s would produce too much smoke, and the Mach 2's at 105 HP would be less than optimal for this bigger fan.
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Low Smoke Passing Power
Buzzinhalfdozen earns a special award for clarity of thought with his response to the purpose for "eye bulging passing power". Regarding the question of getting past the smog regulations, not everyone is required to pass this test. Some of the rural areas are exempt from the Californicator Air Resources Board requirements. I can drive the truck as long as I want, however, I won't be able to sell it in state.
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Low Smoke Passing Power
I'm running an Edge Juice CTS without the pump wire tap. It's very clean even on 5 with the current 62/65/13 turbo and 75 HP injectors. I may tap the pump wire at some point, but it will be with a quick disconnect, or better yet, a two way switch in the cab. That way, I can run clean 99.9% of the time and still have additional "dirty torque" if there is a need to prove my manhood at the track. The reason for going to a 64/71/14 turbo with bigger injectors is for eye bulging passing power. The installation may be done tomorrow evening if two needed bolts arrive tomorrow morning. It will be run with the current 75HP injectors initially. We'll see how that goes. I just thought I would ask for some expert opinions about clean injectors in the 100-150 HP range. There's a good chance they will be needed.
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Low Smoke Passing Power
A lot goes into making good injectors, far more than I could ever pretend to know. It's the "low smoke" aspect that makes this inquiry difficult to answer. Perhaps I should be asking who has the highest manufacturing and quality control standards, or who does the most design research and testing? These are the areas that set great injectors apart from good ones.
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Low Smoke Passing Power
My truck is a 2001 QCLB Dodge 24V Cummins, 3.54, built 47RE, 75HP injectors, Edge Juice CTS tuner, 4" exhaust. I am in the process of installing a 64/71/14 High Tech turbo, just waiting for flex oil drain. My goal is to have great power from 50-90 MPH for passing very quickly on two lane highways. Would like to do this without smoking everyone out. From what I have read, F1 injectors are probably the way to go for low smoke. What size? Mach 2 is 105 HP, Mach 3 is 130 HP and Mach 4 is 150 HP. They are all 7 holes, don't know the hole sizes.