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 Posted: Fri Sep 19, 2014 8:42 am |
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Joined: Feb 07, 2010
Posts: 729
Trade Rating: 0
Location: Norfolk
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After looking through my PP2000 i noticed my throttle would only goto 90% when pushed to the floor
Tracked the problem to the accelerator pedal.
Tried 2 option which both worked.
1. Remove the accelerator pedal and place two washers on each thread.
2. Remove the accelerator stop plug
Hey presto
Have yet to drive it as was in a rush.....
Can anyone see any problems with this gain?
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Posted: Fri Sep 19, 2014 1:07 pm |
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Joined: Jan 29, 2011
Posts: 6526
Trade Rating: +10
Location: Westhoughton, Lancashire
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Can't see the point really as even at motorway speeds you're unlikely to have your foot to the floor.
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Posted: Fri Sep 19, 2014 1:51 pm |
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Joined: Feb 07, 2010
Posts: 729
Trade Rating: 0
Location: Norfolk
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I thought 100% would equal more performance than 90% more air more fuel etc
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Posted: Fri Sep 19, 2014 2:37 pm |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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That's if the throttle body at 90% is a restriction. The engine might be consuming as much air as it can even at 90% throttle.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Fri Sep 19, 2014 3:48 pm |
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Joined: Feb 07, 2010
Posts: 729
Trade Rating: 0
Location: Norfolk
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I guess it could be but every little helps. Would the ecu alter the fuelling between the % difference?
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Posted: Sat Sep 20, 2014 7:44 am |
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Joined: Feb 08, 2010
Posts: 5400
Trade Rating: +105
Location: Stafford
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Yes it would, I don't see any negative issues occurring.
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Posted: Sat Sep 20, 2014 10:09 am |
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Joined: Feb 07, 2010
Posts: 729
Trade Rating: 0
Location: Norfolk
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Well I have popped the grommet back in the carpet and the pedal is registering 90% again when floored, I have been looking in my PP2000 menus to recalibrate the system but can't see an option, I tried resetting the auto adaptives but at no point did it say to floor the accelerator!!
Is there something I am missing as there are hundreds of menus on the program
Any help appreciated
Thanks
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Posted: Sat Sep 20, 2014 11:07 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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Does the throttle butterfly open and move without the engine running? That's great best way of measuring whether there's any benefit.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Tue Sep 23, 2014 8:17 pm |
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Joined: Aug 31, 2012
Posts: 24
Trade Rating: 0
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Mine shows 94% or 95% but I'm getting sub 7's 0-62 acceleration so I don't think it matters much. I'm not sure that it's accurate representation of the gas pedal position. Maybe a movement range that the pedal has? But still at the whatever % you get the ecu is giving full acceleration? It's pretty smart and calibrates the throttle butterfly and pedal.
You can do the calibrations manually too, check the how-tos.
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Posted: Wed Sep 24, 2014 2:45 pm |
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Joined: Feb 08, 2010
Posts: 526
Trade Rating: 0
Location: Italy
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You can recalibrate butterfly inside ECU parameters with PP2000; but I think this is useless, as throttle just follows 10% steps, you'll see 90% but it could be 99%; when calibrating butterfly you have to set the pedal from full lift off to full down, and this is paired with butterfly. So, if butterfly opens 100% (you can see it with key on and engine off), everything is ok.
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| Silver grey RC|Pug Sport remap|Group A induction|Supersprint backbox|lower strut bar|RCCup wishbones|Eibach Pro-Street-S|302mm brakes+23.8 master cylinder|Vibra Technics|Quaife LSD|Cupra R splitter|modded bonnet vent|black Valeos|207i tail lights|Chromed rear foglight|Bi-xenon 6000k+all led (in+out)|406 rear mirror | |
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