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4/4/22 Autocar Greatest Road tests ever #1656769
05/04/2022 07:59
05/04/2022 07:59
Joined: Dec 2005
Posts: 1,462
Kent
Submariner Offline OP
My job on the forum
Submariner  Offline OP
My job on the forum

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Kent

Re: 4/4/22 Autocar Greatest Road tests ever [Re: Submariner] #1656819
07/04/2022 11:16
07/04/2022 11:16
Joined: Sep 2007
Posts: 972
Behind Enemy Lines
Master_Mariner Offline
Club member 583
Master_Mariner  Offline
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Behind Enemy Lines
Great - more grist to the meal. Getting a proper mini revival of mentions at the moment!

Re: 4/4/22 Autocar Greatest Road tests ever [Re: Submariner] #1656832
08/04/2022 05:56
08/04/2022 05:56
Joined: Dec 2005
Posts: 33,498
Berlin
barnacle Offline
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Berlin
Originally Posted by autocar
while the ECU limited boost in the bottom two of five gears for the same reason.


And yet still that old myth. The ECU doesn't care which gear you're in, and the only way it can ever know is to see how fast you're accelerating.

Neil


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Don't get no respect! Coupe Fiat 1994-2000 - an owner's guide <-- clicky!
Re: 4/4/22 Autocar Greatest Road tests ever [Re: Submariner] #1656836
08/04/2022 06:56
08/04/2022 06:56
Joined: Dec 2005
Posts: 1,462
Kent
Submariner Offline OP
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Submariner  Offline OP
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Kent
I always believed that the car reduced/limited boost via the EBV etc in first two gears and that the Gtec chip together with the disconnection of the EBV removed this 'restriction'?

Re: 4/4/22 Autocar Greatest Road tests ever [Re: Submariner] #1656837
08/04/2022 06:59
08/04/2022 06:59
Joined: Feb 2006
Posts: 5,390
Essex
Trappy Offline
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Essex
Originally Posted by Submariner
I always believed that the car reduced/limited boost via the EBV etc in first two gears and that the Gtec chip together with the disconnection of the EBV removed this 'restriction'?


It's a limit on the rate at which the boost can rise IIRC. If you upped the power but didn't remove this function, it would start to work in higher gears too. The ECU has no idea what gear you're in.


F****** b****** thing...
Re: 4/4/22 Autocar Greatest Road tests ever [Re: Trappy] #1656847
08/04/2022 09:17
08/04/2022 09:17
Joined: Feb 2019
Posts: 289
Free State of Jones
clanger Offline
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Free State of Jones
Originally Posted by Trappy
Originally Posted by Submariner
I always believed that the car reduced/limited boost via the EBV etc in first two gears and that the Gtec chip together with the disconnection of the EBV removed this 'restriction'?


It's a limit on the rate at which the boost can rise IIRC.


This

The boost rate rise is mapped to engine load. There is a specific map for it and its values can be changed regardless of boost increases which are different maps again. Obviously removing the EBV will bypass this function entirely but thats another matter.


E85

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