Pls help me finalize my decision
mang
Aquamist ROCKS,
I just received the HFS-5 system and b/w the product, packaging/labelling and instructions, its like LEGOs, not to mention product quality and functionality so no wonder SlowCar is partial to Aquamist, I am too just because of that.
Since, there is some attention here, i have couple of questions to Richard or SLowCar,
Summary: EVO8, air filter, 3 inch tbe, licp, new griffin ic coming, HFS-5, mostly daily driver, want to make it safer to extract some extra power, so i dont need agressive W/M injection, i was thinking 50/50 water/meth mix at a low 10% ratio to fuel, using one nozzle to trigger at say 5psi+
questions:
1. single nozzle being placed on stock uic pipe, where to place it?
2. if i want to trigger at higher boost, do i need to use injector duity cycle as trigger?
3. how can i disable HFS-5 completely so i can run my boost beyond what the wastgate allows, of course with manually reflashing my car to run a map without w/meth compensation on fuel and timing? this is since i will be tapping into wastegate solonoid for boost cut as failsafe.
i appreciate your help.
I just received the HFS-5 system and b/w the product, packaging/labelling and instructions, its like LEGOs, not to mention product quality and functionality so no wonder SlowCar is partial to Aquamist, I am too just because of that.
Since, there is some attention here, i have couple of questions to Richard or SLowCar,
Summary: EVO8, air filter, 3 inch tbe, licp, new griffin ic coming, HFS-5, mostly daily driver, want to make it safer to extract some extra power, so i dont need agressive W/M injection, i was thinking 50/50 water/meth mix at a low 10% ratio to fuel, using one nozzle to trigger at say 5psi+
questions:
1. single nozzle being placed on stock uic pipe, where to place it?
2. if i want to trigger at higher boost, do i need to use injector duity cycle as trigger?
3. how can i disable HFS-5 completely so i can run my boost beyond what the wastgate allows, of course with manually reflashing my car to run a map without w/meth compensation on fuel and timing? this is since i will be tapping into wastegate solonoid for boost cut as failsafe.
i appreciate your help.
Aquamist ROCKS,
I just received the HFS-5 system and b/w the product, packaging/labelling and instructions, its like LEGOs, not to mention product quality and functionality so no wonder SlowCar is partial to Aquamist, I am too just because of that.
Since, there is some attention here, i have couple of questions to Richard or SLowCar,
Summary: EVO8, air filter, 3 inch tbe, licp, new griffin ic coming, HFS-5, mostly daily driver, want to make it safer to extract some extra power, so i dont need agressive W/M injection, i was thinking 50/50 water/meth mix at a low 10% ratio to fuel, using one nozzle to trigger at say 5psi+
questions:
1. single nozzle being placed on stock uic pipe, where to place it?
2. if i want to trigger at higher boost, do i need to use injector duity cycle as trigger?
3. how can i disable HFS-5 completely so i can run my boost beyond what the wastgate allows, of course with manually reflashing my car to run a map without w/meth compensation on fuel and timing? this is since i will be tapping into wastegate solonoid for boost cut as failsafe.
i appreciate your help.
I just received the HFS-5 system and b/w the product, packaging/labelling and instructions, its like LEGOs, not to mention product quality and functionality so no wonder SlowCar is partial to Aquamist, I am too just because of that.
Since, there is some attention here, i have couple of questions to Richard or SLowCar,
Summary: EVO8, air filter, 3 inch tbe, licp, new griffin ic coming, HFS-5, mostly daily driver, want to make it safer to extract some extra power, so i dont need agressive W/M injection, i was thinking 50/50 water/meth mix at a low 10% ratio to fuel, using one nozzle to trigger at say 5psi+
questions:
1. single nozzle being placed on stock uic pipe, where to place it?
2. if i want to trigger at higher boost, do i need to use injector duity cycle as trigger?
3. how can i disable HFS-5 completely so i can run my boost beyond what the wastgate allows, of course with manually reflashing my car to run a map without w/meth compensation on fuel and timing? this is since i will be tapping into wastegate solonoid for boost cut as failsafe.
i appreciate your help.
1. If you are injecting alcohol, I would put the nozzle between the BOV and the throttle body to avoid recirculating alcohol through the recirc. hose and turbo. If you were injecting just water, then I would install it right after the IC.
2. No. If you want to trigger off of boost specifically, then I would use a MAP sensor to trigger the system. The instruction manual for the HFS-5 explains how to configure this. IDC could also be a proxy for manifold pressure, and you could datalog to figure out the appropriate IDC threshold to use. As far as which is better, I'm not sure and I don't think Aquamist is either. I think I'm more inclined to use manifold pressure though and I already have a MAP sensor installed anyhow that I can tap.
3. I want to do the same thing when I install my HFS-5. I'm planning to use pins 11 and 12 of the control box as a switch to interrupt ground to the boost solenoid on a fault event. To bypass the failsafe, I intend to install a manually operating switch that will connect that ground no matter what the DDS3 failsafe switch says. In other words, the DDS3 switch will be superceded by however the failsafe switch is positioned. To do this, the contacts for the failsafe bypass will be outside the contacts for the DDS3 switch. Make sense?
My late reply in blue
Summary: EVO8, air filter, 3 inch tbe, licp, new griffin ic coming, HFS-5, mostly daily driver, want to make it safer to extract some extra power, so i dont need agressive W/M injection, i was thinking 50/50 water/meth mix at a low 10% ratio to fuel, using one nozzle to trigger at say 5psi+
questions:
1. single nozzle being placed on stock uic pipe, where to place it?
I think you'd better take the advice from the others, I am don;y know the evo very well.
2. if i want to trigger at higher boost, do i need to use injector duity cycle as trigger?
If you want to inject at high boost, trigger by map sensor is more consistant. This is more suitable for high power application and very high methanol flow is required to combat knock and in-cylinder temperatures.
FIDC is more suitable to trigger at the lower end of the power range, it assists the fuel octane enrichment on a wider range, more suitable for day to day driving in regions with bad fuel quality and high ambient temperatures.
3. how can i disable HFS-5 completely so i can run my boost beyond what the wastgate allows, of course with manually reflashing my car to run a map without w/meth compensation on fuel and timing? this is since i will be tapping into wastegate solonoid for boost cut as failsafe.
A couple of ways:
1) Manually short circuiting pin11 and pin12 with a toggle switch after switching the DDS3 off.
2) Temporary disconnect the wire to pin 17, if the system doesn't trigger, pin11/12 remains close circuited.
If I think of more ideas, I will post again.
Summary: EVO8, air filter, 3 inch tbe, licp, new griffin ic coming, HFS-5, mostly daily driver, want to make it safer to extract some extra power, so i dont need agressive W/M injection, i was thinking 50/50 water/meth mix at a low 10% ratio to fuel, using one nozzle to trigger at say 5psi+
questions:
1. single nozzle being placed on stock uic pipe, where to place it?
I think you'd better take the advice from the others, I am don;y know the evo very well.
2. if i want to trigger at higher boost, do i need to use injector duity cycle as trigger?
If you want to inject at high boost, trigger by map sensor is more consistant. This is more suitable for high power application and very high methanol flow is required to combat knock and in-cylinder temperatures.
FIDC is more suitable to trigger at the lower end of the power range, it assists the fuel octane enrichment on a wider range, more suitable for day to day driving in regions with bad fuel quality and high ambient temperatures.
3. how can i disable HFS-5 completely so i can run my boost beyond what the wastgate allows, of course with manually reflashing my car to run a map without w/meth compensation on fuel and timing? this is since i will be tapping into wastegate solonoid for boost cut as failsafe.
A couple of ways:
1) Manually short circuiting pin11 and pin12 with a toggle switch after switching the DDS3 off.
2) Temporary disconnect the wire to pin 17, if the system doesn't trigger, pin11/12 remains close circuited.
If I think of more ideas, I will post again.
Evolving Member
Joined: Jan 2002
Posts: 363
Likes: 0
From: Singapore
How are you folks getting an accurate intake air temp reading? For those running on standalone ECUs with a speed density fuel metering setup, what has been done to minimize the impact of water or an alcohol/water mix from oxidizing the sensor?
put the nozzle after the IAT sensor
Evolving Member
Joined: Jan 2002
Posts: 363
Likes: 0
From: Singapore
the tuning process will take care of it, whether IAT sensor b4 nozzle or IAT sensor after nozzle
hey sg govt so strict/ngeow, they allow you to change stuff like ecu??
hey sg govt so strict/ngeow, they allow you to change stuff like ecu??
