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Author Topic: wastegate duty cycle *please look quick!!*  (Read 1061 times)

Offline rio_gti

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wastegate duty cycle *please look quick!!*
« on: 10 March 2012, 15:28 »
on a standard 150bhp what should the % be as on 3rd wot we hittin 44% (@3880 rpm) then dropping off slowlt to 33% at full rpm (@5880)

is this correct??
« Last Edit: 11 March 2012, 13:09 by rio_gti »
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2000 GTI 1.8t ARZ, S2000 filter, DSG intake, Forge 007 dv, Catch can, R-tech custom remap, 3" Supersize Silicone TIP, Powerflex dog bone, 'The Beast' FMIC, Ultimate delete, LCR fuel pump, 3" Turbo back, K03 hybrid, Ported Manifold, S3 injectors, 80mm maf = 280bhp 270lbft :evil:

Offline rio_gti

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Re: wastegate duty cycle *please look quick!!*
« Reply #1 on: 11 March 2012, 13:11 »
Anyone??  :undecided:
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2000 GTI 1.8t ARZ, S2000 filter, DSG intake, Forge 007 dv, Catch can, R-tech custom remap, 3" Supersize Silicone TIP, Powerflex dog bone, 'The Beast' FMIC, Ultimate delete, LCR fuel pump, 3" Turbo back, K03 hybrid, Ported Manifold, S3 injectors, 80mm maf = 280bhp 270lbft :evil:

Offline Chris.

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Re: wastegate duty cycle *please look quick!!*
« Reply #2 on: 11 March 2012, 14:14 »
Seems pretty low to me, but im not sure what a standard one does.
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Offline asboGTI

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Re: wastegate duty cycle *please look quick!!*
« Reply #3 on: 11 March 2012, 16:57 »
did quite alot of digging mate and turns out its proberly a weak actuator so maybe gonna get a new trubo as either wya will probably be the same the same amount of work
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Offline Chris.

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Re: wastegate duty cycle *please look quick!!*
« Reply #4 on: 11 March 2012, 16:58 »
Surely a weak actuator would see a increase in duty cycle as it struggles to meet the required boost?
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Offline asboGTI

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Re: wastegate duty cycle *please look quick!!*
« Reply #5 on: 11 March 2012, 17:05 »
maybe but speaking to a few people in the know and this what they rekon without looking at it and plus it also gives me a reason to tell the perso who wears the trousers i need a turbo  :grin: :laugh:
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Offline rio_gti

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Re: wastegate duty cycle *please look quick!!*
« Reply #6 on: 11 March 2012, 18:52 »
Lol you know!!! So does that mean that I got a weak actuator as I hit 100% then down to about 76%
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2000 GTI 1.8t ARZ, S2000 filter, DSG intake, Forge 007 dv, Catch can, R-tech custom remap, 3" Supersize Silicone TIP, Powerflex dog bone, 'The Beast' FMIC, Ultimate delete, LCR fuel pump, 3" Turbo back, K03 hybrid, Ported Manifold, S3 injectors, 80mm maf = 280bhp 270lbft :evil:

Offline Chris.

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Re: wastegate duty cycle *please look quick!!*
« Reply #7 on: 11 March 2012, 18:55 »
Well it means that your ecu is telling the N75 valve to work 100% of its capability to meet the required boost.
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