non seq better in seq mode?
I remember reading that the non sequential setup is better tuned with the pfc left in seq mode?
I cant find the thread anywhere. I would like as much info as i can get on this please. thanks |
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With "sequential turbo control" enabled, PFC is issuing commands from 5 outputs:
1. Charge control, which opens a butterfly valve inside the Y pipe on the stock system 2. Charge relief, which opens a recirculation valve while the secondary turbo is in prespool operation 3. Turbo control (2 solenoids controlled by one ECU output), which opens a swing valve to allow a large amount of exhaust to flow into the secondary turbo 4. Precontrol, which is a valve similar to a wastegate that controls boost when the engine is only running on the primary turbo 5. Wastegate, which bleeds exhaust away from the primary turbocharger inlet in a basically conventional internal wastegate fashion The sequential turbo control setting has ZERO effect on anything else. If you are not using any of the above outputs from the ECU, it does not matter at all whether you have the box checked or not. What this means in practical terms is that to control boost with a Power FC on a non sequential car or single turbo, you leave "sequential turbo control" ON. Then you have to adjust a few settings in the Datalogit FC-Edit software for it to work right. I have explained this thoroughly in other threads. For PFC boost control to work on non sequential or single turbo, it is the sequential turbo transition setting which needs to be changed in the Settings 1 tab. All "high" values can be set to 2000rpm and all "low" values set to 1800 rpm. If you are non sequential or single turbo and have some form of external boost controller, it makes ZERO difference whether the sequential turbo control setting is on or off. It won't make your car faster, slower, easier to drive, more reliable, or less reliable. |
Thankyou sir thats all the info I needed :)
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Originally Posted by arghx
(Post 10828581)
With "sequential turbo control" enabled, PFC is issuing commands from 5 outputs:
1. Charge control, which opens a butterfly valve inside the Y pipe on the stock system 2. Charge relief, which opens a recirculation valve while the secondary turbo is in prespool operation 3. Turbo control (2 solenoids controlled by one ECU output), which opens a swing valve to allow a large amount of exhaust to flow into the secondary turbo 4. Precontrol, which is a valve similar to a wastegate that controls boost when the engine is only running on the primary turbo 5. Wastegate, which bleeds exhaust away from the primary turbocharger inlet in a basically conventional internal wastegate fashion The sequential turbo control setting has ZERO effect on anything else. If you are not using any of the above outputs from the ECU, it does not matter at all whether you have the box checked or not. What this means in practical terms is that to control boost with a Power FC on a non sequential car or single turbo, you leave "sequential turbo control" ON. Then you have to adjust a few settings in the Datalogit FC-Edit software for it to work right. I have explained this thoroughly in other threads. For PFC boost control to work on non sequential or single turbo, it is the sequential turbo transition setting which needs to be changed in the Settings 1 tab. All "high" values can be set to 2000rpm and all "low" values set to 1800 rpm. If you are non sequential or single turbo and have some form of external boost controller, it makes ZERO difference whether the sequential turbo control setting is on or off. It won't make your car faster, slower, easier to drive, more reliable, or less reliable. Also very sorry to hijack the thread . |
^ check out this thread on electronic boost controller comparison, including the PFC's built-in capability https://www.rx7club.com/3rd-generation-specific-1993-2002-16/electronic-boost-controller-comparison-chart-952767/
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so in non seq mode i just need the one mbc between the wastegate and turbo yeah? only askin because in some threads i see people are using 2
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Originally Posted by RX7_FD3S_JDM
(Post 10841472)
so in non seq mode i just need the one mbc between the wastegate and turbo yeah? only askin because in some threads i see people are using 2
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I dont supposed the PFC can be setup like anti-lag?
if not is there a thread dedicated to fd3s anti-lag? thanks |
no it can't do that. You need an external system to do that, or you should switch to a Haltech or AEM EMS.
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Or the über rare Power FC Pro ... This thing is almost as rare as the unicorns.
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