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Forum Mod  4828 Posts Member #: 154 Post Whore Midlands |
2nd Jan, 2017 at 09:24:41am
What are you guys using in the way of EBC's?
On 20th Oct, 2015 Tom Fenton said:
Well here is the news, you are not welcome here, FUCK OFF. |
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 2094 Posts Member #: 9894 Post Whore Dorking |
2nd Jan, 2017 at 09:47:42am
If your just after a switch, I use this.
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Forum Mod 4828 Posts Member #: 154 Post Whore Midlands |
2nd Jan, 2017 at 10:02:30am
I used to have it similar before with a metro solenoid. After something I can programme this time rather than having to faff with bleed valves after the solenoid On 20th Oct, 2015 Tom Fenton said:
Well here is the news, you are not welcome here, FUCK OFF. |
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 3074 Posts Member #: 1348 Post Whore wakefield West Yorks |
2nd Jan, 2017 at 10:18:13am
Use your right foot ! Simple |
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 553 Posts Member #: 1356 Post Whore TRURO, CORNWALL |
2nd Jan, 2017 at 11:24:53am
I got a turbosmart two stage boost controller. Works well |
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 10021 Posts Member #: 1456 Mongo Barnsley, South Flatcapshire |
2nd Jan, 2017 at 01:16:19pm
I think going megasquirt would be best idea personally. You've got options around extra inputs/outputs etc then. W.I. control, traction control, boost cut etc. Brett prob be a good person to ask.
If something is worth doing, it's worth doing half of. |
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 9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
2nd Jan, 2017 at 01:21:52pm
I use a valve as linked above controlled through my ECU. You could just use the open loop map and set the duty cycle to achieve the boost you want.
Fastest 998 mini in the world? 13.05 1/4 mile 106mph
On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination, talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry. |
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 12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
2nd Jan, 2017 at 02:59:44pm
as will says, a valve with a switch is nice and easy, just sitch between basic actuator boost and bled off boost ( or even different bled off boosts...)
On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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Site Admin  15300 Posts Member #: 337 Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner & TM legend. |
2nd Jan, 2017 at 07:04:53pm
The AEM Truboost can have 3 boost levels, however it's only open loop which is disappointing for the cost.
On 29th Nov, 2016 madmk1 said:
On 28th Nov, 2016 Rob Gavin said:
I refuse to pay for anything else Like fuel 😂😂 |
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3588 Posts Member #: 655 Post Whore Northern Ireland |
2nd Jan, 2017 at 11:07:54pm
Someone on this forum linked it before.
9.85 @ 145mph
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Forum Mod 4828 Posts Member #: 154 Post Whore Midlands |
3rd Jan, 2017 at 06:00:22am
That looks perfect for what I want, cheers Steve!
On 20th Oct, 2015 Tom Fenton said:
Well here is the news, you are not welcome here, FUCK OFF. |
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 1425 Posts Member #: 9199 Post Whore Lancashire |
12th Jan, 2017 at 09:33:46pm
Thinking of fitting a gizzmo boost controller to the mini.
What the mind can conceive the mini can achieve
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12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
12th Jan, 2017 at 09:37:53pm
open loop you set the boost by telling the controller how far to open the valve, closed loop actually looks at the boost pressure and opens the valve to suit,
On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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1425 Posts Member #: 9199 Post Whore Lancashire |
12th Jan, 2017 at 09:40:49pm
On 12th Jan, 2017 Joe C said:
open loop you set the boost by telling the controller how far to open the valve, closed loop actually looks at the boost pressure and opens the valve to suit, What the mind can conceive the mini can achieve
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12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
12th Jan, 2017 at 09:41:38pm
yep,
On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
13th Jan, 2017 at 10:32:53am
As Joe says. But it's a combination of open and closed loop. The open loop is used to get you in the rough area (or set the minimum boost) then the closed loop tweeks it from there.
Fastest 998 mini in the world? 13.05 1/4 mile 106mph
On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination, talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry. |
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 730 Posts Member #: 1791 Post Whore Cranleigh, surrey |
17th Jan, 2017 at 05:57:15pm
I used a greddy Jap job on mine, It was great, but a lot of money, i don't think they make my one anymore, but they do make the profec 2, "Cars are a lifetime of pain" |
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3588 Posts Member #: 655 Post Whore Northern Ireland |
18th Jan, 2017 at 10:35:45pm
On 13th Jan, 2017 wil_h said:
As Joe says. But it's a combination of open and closed loop. The open loop is used to get you in the rough area (or set the minimum boost) then the closed loop tweeks it from there. Closed loop can not usually react fast enough to manage controlling more than around 5psi in my experience. Random statement....odd statement. And if you were only running 5psi....you hardly need any controller at all. 9.85 @ 145mph
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
18th Jan, 2017 at 10:48:45pm
Errr, you've misread that steve.
Edited by wil_h on 18th Jan, 2017. Fastest 998 mini in the world? 13.05 1/4 mile 106mph
On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination, talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry. |
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3588 Posts Member #: 655 Post Whore Northern Ireland |
19th Jan, 2017 at 12:17:41pm
On 18th Jan, 2017 wil_h said:
Errr, you've misread that steve. The open loop controls the boost to a fixed amount, say 10psi, then the closed loop controls it up to 15psi (so 5 psi gain in closed loop). Asking closed loop for more than a 5psi gain I found I got boost spikes. So if you had a 5psi actuator and you wanted 20psi, just closed loop would struggle. Well mine did. But once the PWM was set at a sensible duty cycle in open loop it worked a treat. Clear? No. Closed loop will try and achieve whatever boost target you have specified. YOU also need to set the base duties so the controller knows roughly where to start working from in order to achieve that target. If you set it up wrong, it isnt a fault of the controller that it cannot work or does not work correctly. And clearly with any system, if there are mechanical limitations such as weak gate relative to desired pressure...no external controller will fix that. Again that isnt a fault of the controller...just a simple reality that all things need to be selected and installed correctly for each application. "Closed loop" is simply a strategy....but the user still needs to implement and set it up correctly to work. Although some are better than others too. Edited by stevieturbo on 19th Jan, 2017. 9.85 @ 145mph
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
19th Jan, 2017 at 01:20:45pm
Exactly, I think that's what I said. don't ask the closed loop to do it all, it won't/can't manage it. It will of course try, but you'll get spikes and inconsistant boost of you ask too much.
Fastest 998 mini in the world? 13.05 1/4 mile 106mph
On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination, talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry. |
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18 Posts Member #: 10987 Member Bromsgrove, DY9 0BB |
20th Jan, 2017 at 11:37:36am
Anyone know of any controlled electronic dump valves (large) to do a crude boost control strategy with a supercharger? |
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3588 Posts Member #: 655 Post Whore Northern Ireland |
20th Jan, 2017 at 11:56:04pm
On 19th Jan, 2017 wil_h said:
Exactly, I think that's what I said. don't ask the closed loop to do it all, it won't/can't manage it. It will of course try, but you'll get spikes and inconsistant boost of you ask too much. I found 5psi was about the limit with my system to give good control. Others may be better or worse. It is all about the set up, which was all I was saying. I learned by firstly having a bad setup. Now I've made it better and I hope my experience advised the OP on how best to set up a closed loop syetem. Maybe not? But you're describing user error...not a fault of the system. A good and properly set up system will hit your target boost at all times, excluding when there are mechanical limitations of course. In which case no external control will fix those underlying problems On 20th Jan, 2017 samforsey12345 said:
Anyone know of any controlled electronic dump valves (large) to do a crude boost control strategy with a supercharger? For what sort of system ? There should be little need to use an electronic valve, when you can simply use air pressure much the same as you would for an external wastegate. But again, you'll need a suitable controller to control the gate, again much the same as you would with a turbo system. Indeed many do actually use a wastegate. 9.85 @ 145mph
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