Considering losing intercooler, thoughts?
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From: Sugar Land, Tx
Doing some thinking and researching I am thinking I am going to add another 14gph nozzle, spray it 50/50 and put the second nozzle to come on at like 15-18psi. I am going to put it on a solenoid with a seperate boost switch. The current one comes on at 6psi so I will probably leave it there. Just going to experiment and see what the car likes.
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From: Norn Iron
If you are going to use huge nozzles and spray huge volumes with 50/50 water/meth, then you will need to have proper control over how much you are actually injecting.
Water is great, water cools great, it suppresses detonation better than anything....but it's very easy to inject too much and just put the flame out so to speak, and cost power.
The more pure meth you inject, the more idiot proof it becomes as doesnt really matter how much you spray
But at what point is it a pump fuel car and what point a meth fueled car. And using pump speed as a metering method is pretty crude really. The pumps also dont handle huge volumes of flow very well before pressure falls flat, which would then end up with poor spray too.
Water is great, water cools great, it suppresses detonation better than anything....but it's very easy to inject too much and just put the flame out so to speak, and cost power.
The more pure meth you inject, the more idiot proof it becomes as doesnt really matter how much you spray
But at what point is it a pump fuel car and what point a meth fueled car. And using pump speed as a metering method is pretty crude really. The pumps also dont handle huge volumes of flow very well before pressure falls flat, which would then end up with poor spray too.
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Would it not be worth looking in dual fueling the car and running a small standalone meth tank? once on boost you start to add the meth and pull out the pump fuel.
Is there nothing on the market that is a plug and play (kind of) setup for this? There should be! lol
Is there nothing on the market that is a plug and play (kind of) setup for this? There should be! lol
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From: Norn Iron
Would it not be worth looking in dual fueling the car and running a small standalone meth tank? once on boost you start to add the meth and pull out the pump fuel.
Is there nothing on the market that is a plug and play (kind of) setup for this? There should be! lol
Is there nothing on the market that is a plug and play (kind of) setup for this? There should be! lol
If you are going to use huge nozzles and spray huge volumes with 50/50 water/meth, then you will need to have proper control over how much you are actually injecting.
Water is great, water cools great, it suppresses detonation better than anything....but it's very easy to inject too much and just put the flame out so to speak, and cost power.
The more pure meth you inject, the more idiot proof it becomes as doesnt really matter how much you spray
But at what point is it a pump fuel car and what point a meth fueled car. And using pump speed as a metering method is pretty crude really. The pumps also dont handle huge volumes of flow very well before pressure falls flat, which would then end up with poor spray too.
Water is great, water cools great, it suppresses detonation better than anything....but it's very easy to inject too much and just put the flame out so to speak, and cost power.
The more pure meth you inject, the more idiot proof it becomes as doesnt really matter how much you spray
But at what point is it a pump fuel car and what point a meth fueled car. And using pump speed as a metering method is pretty crude really. The pumps also dont handle huge volumes of flow very well before pressure falls flat, which would then end up with poor spray too.
I agree with everything you're saying, and it's the reason I went with Aquamist. Their metering and control system is great. I can change the point in which it's activated based on injector duty cycle. Initial set point is 40%, but I can go down as low at 17% or up to 60%, and then I can control the curve from there. It's set to 1:1, which is nice because once get calculate the correct volume you need, it's pretty simply to dial it in. To your point, the way they meter the nozzles is impressive. The fast acting valve sees a constant 160psi, and that valve is 'pulsed' according to the IDC, so the nozzles only see 160psi, which atomizes things nicely.
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From: Norn Iron
Aquamist when using the valve to control flow, is by far the best system out there.
After all...nobody would ever consider just dumping fuel straight into their engine and using fuel pump speed to meter fuel.
It would be slow to respond and far less accurate.
And I will admit I dont use Aquamist myself, I do just use the same crude method as everyone else of pump speed for the water/meth
But as discussed on the forum recently, this really is a crude method, and when using large nozzles it was shocking to see how much pressure actually drops too compared to what these companies claim the pumps will make.
Although that applies to all systems.
After all...nobody would ever consider just dumping fuel straight into their engine and using fuel pump speed to meter fuel.
It would be slow to respond and far less accurate.
And I will admit I dont use Aquamist myself, I do just use the same crude method as everyone else of pump speed for the water/meth
But as discussed on the forum recently, this really is a crude method, and when using large nozzles it was shocking to see how much pressure actually drops too compared to what these companies claim the pumps will make.
Although that applies to all systems.
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From: Sugar Land, Tx
Aquamist when using the valve to control flow, is by far the best system out there.
After all...nobody would ever consider just dumping fuel straight into their engine and using fuel pump speed to meter fuel.
It would be slow to respond and far less accurate.
And I will admit I dont use Aquamist myself, I do just use the same crude method as everyone else of pump speed for the water/meth
But as discussed on the forum recently, this really is a crude method, and when using large nozzles it was shocking to see how much pressure actually drops too compared to what these companies claim the pumps will make.
Although that applies to all systems.
After all...nobody would ever consider just dumping fuel straight into their engine and using fuel pump speed to meter fuel.
It would be slow to respond and far less accurate.
And I will admit I dont use Aquamist myself, I do just use the same crude method as everyone else of pump speed for the water/meth
But as discussed on the forum recently, this really is a crude method, and when using large nozzles it was shocking to see how much pressure actually drops too compared to what these companies claim the pumps will make.
Although that applies to all systems.
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From: Norn Iron
Yes, almost all systems use variable pump speed as a method of flow metering.
Obviously this isnt very accurate, and any on/off throttle that would cause the pump to stop start, there would also be a small delay in pump getting back up to speed.
anyone ever make a system with a couple extra fuel injectors? i have a pair of new 83# injectors and was thinking why dont guys add injectors to the intake tube and a seperate 1 gal cell with a intank pump with meth and just turn them on with a hobb switch and adjust flow with fuel pressure. just a thought.
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From: Norn Iron
anyone ever make a system with a couple extra fuel injectors? i have a pair of new 83# injectors and was thinking why dont guys add injectors to the intake tube and a seperate 1 gal cell with a intank pump with meth and just turn them on with a hobb switch and adjust flow with fuel pressure. just a thought.
Waste of time, money and effort unless you're actually going to use the injectors to meter flow as they are designed to
And there would be no easy way to create variable pressure, plus injectors at low pressure just dribble, not spray.
You'd basically be back to the same thing, variable pump speed used for metering.
Some guys do build another complete fuel system with 1 inj per cylinder and use an alternative fuel. Again obviously you need an ecu or some means of controlling the injectors for the additional fuel system
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From: Sugar Land, Tx
anyone ever make a system with a couple extra fuel injectors? i have a pair of new 83# injectors and was thinking why dont guys add injectors to the intake tube and a seperate 1 gal cell with a intank pump with meth and just turn them on with a hobb switch and adjust flow with fuel pressure. just a thought.
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From: Norn Iron
Yes, their variable pump speed is achieved via a "progressive" controller.
Usually boost referenced and you can adjust the ramp relative to boost pressure.
Quite simple really and in general do work quite well.
Usually boost referenced and you can adjust the ramp relative to boost pressure.
Quite simple really and in general do work quite well.
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From: Sugar Land, Tx
I am not running a progressive controller, mine is on or off. Hits 6psi pump is on. I adjust my fueling in my tune to compensate. With my new setup I think 2 staging it with a solenoid keeping the second nozzle off till higher boost will get me the results that I want. With the single 14gph nozzle I run currently I have had some really good luck.
http://www.yellowbullet.com/forum/sh...790&highlight=
check this thread. with track times to compare
check this thread. with track times to compare
Thread Starter
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From: Sugar Land, Tx
http://www.yellowbullet.com/forum/sh...790&highlight=
check this thread. with track times to compare
check this thread. with track times to compare