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Forums › Tuning, Modification & Legal › Project Cars › Project sleeper |
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 Posted: Wed Aug 01, 2012 5:44 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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Mine are fine. Quite stiff. Cant make them flex much by hand.
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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: Wed Aug 01, 2012 2:08 pm |
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Joined: Feb 07, 2010
Posts: 2505
Trade Rating: +19
Location: West mids
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Iter the ones I have are like a Dimond shape and they arnt joins in the middle so alows side ways movement, going to stick it in the middle section and orderd 2 box shape ones like you have as they look like they are joins in the middle and more stiff.
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Posted: Sat Aug 04, 2012 6:46 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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Took a video. The camera doesnt pick up the real sound of the bodies. They sound so much nicer than the video suggests. Love to hear what it sounds like on the outside.
youtu.be/uysMC4nnbv4
youtu.be/Cn5on0ExmO4
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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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Last edited by Edward on Sat Aug 04, 2012 8:55 am; edited 1 time in total
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Posted: Sat Aug 04, 2012 8:37 am |
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Joined: Feb 08, 2010
Posts: 901
Trade Rating: +1
Location: Istanbul / Turkey
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Is this your car Edward ?
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| 2005 206 RC RED
Bilstein B14 Coilover / Brembo 4 Pot Front 330x28 - Rear 325x8 / Quaife ATB Limited Slip Diff / Janspeed Catback
Lot's of CNC machined customs pars.  | |
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Posted: Sat Aug 04, 2012 8:55 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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Yes.
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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: Sat Aug 04, 2012 9:04 am |
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Joined: Feb 23, 2011
Posts: 1211
Trade Rating: +1
Location: sarcasm-in-shedloads
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Fade to Grey  the song - that (non-original) video is pants though
206 GTi sounds good too
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Posted: Sun Aug 05, 2012 9:43 am |
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Joined: Feb 08, 2010
Posts: 901
Trade Rating: +1
Location: Istanbul / Turkey
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Is this full throttle video ? It's look not to fast. Sorry. 
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| 2005 206 RC RED
Bilstein B14 Coilover / Brembo 4 Pot Front 330x28 - Rear 325x8 / Quaife ATB Limited Slip Diff / Janspeed Catback
Lot's of CNC machined customs pars. | |
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Posted: Sun Aug 05, 2012 10:45 am |
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Joined: Jul 31, 2012
Posts: 11
Trade Rating: 0
Location: North England
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Been reading this over a few days. What a lovely and well kept car. Wish mine was like this.
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| Here to talk/learn about 206\'s. | |
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Posted: Sun Aug 05, 2012 10:55 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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It's full throttle from about 4.5k onwards. Thats the problem. The increased power output is now at a higher speed. So whereas before I might have had 140bhp at 6500rpm, I now have about 150bhp so I'm only 10bhp up on before at that point.
I dont have the same torque at 4k rpm either. I think it has less.
Any power increase is also at higher road speed which dampens the effect. i.e. the alleged 214bhp at 70mph in 2nd isn't going to work as well as if it was available at 55mph.
Overall it is faster but not by a massive margin.
So it needs the longer trumpets to increase the torque (apparently inlet length can have a dramatic impact on power delivery) and a shorter final drive to make the power available at lower speeds. This also brings the ratios closer together.
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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: Mon Aug 06, 2012 4:15 pm |
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Joined: Feb 08, 2010
Posts: 901
Trade Rating: +1
Location: Istanbul / Turkey
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Longer trumpets defiantly what you need but longer trumpets also move your power graph to higher revs. I'm still thinking your fuel and ignition map so far from perfect. Do you have any log on WOT. I know you dont have wideband AFR but narrowband afr still give an idea with ignition advance.
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| 2005 206 RC RED
Bilstein B14 Coilover / Brembo 4 Pot Front 330x28 - Rear 325x8 / Quaife ATB Limited Slip Diff / Janspeed Catback
Lot's of CNC machined customs pars. | |
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Posted: Tue Aug 07, 2012 10:55 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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Longer trumpets are for lower revving engines, they dont push the power band higher. For the same reason the higher the revs the shorter the inlet needs to be.
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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 Aug 07, 2012 12:20 pm |
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Joined: Feb 08, 2010
Posts: 901
Trade Rating: +1
Location: Istanbul / Turkey
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There a balance between ITB system total lenght with engine RPM. If your system length shorter than your engines max RPM's required length. Then longer trumpets give you more torque and your torque graph goes higher. But If you overlength your system with to long trumpets then you need more revs. There is an expert in our country on ford race engines and he write a very long article about ITB lengths. If I find again on magazine i will translate as I can and write here. And there a little quote from Jenvey.
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Induction length is one of the most important aspects of fuelling performance engines.
In our experience an under-length system is the greatest cause of disapointment, with loss of up to 1/3 of power potential. There are a number of good books on the subject and the serious developer is referred to these and, in particular, dyno trials. A guide figure, from the face of the trumpet to the centre of the valve head is 350mm for a 9,000 RPM engine. Other RPM are proportional i.e. for 18,000 RPM the figure is approximately 175mm. |
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| 2005 206 RC RED
Bilstein B14 Coilover / Brembo 4 Pot Front 330x28 - Rear 325x8 / Quaife ATB Limited Slip Diff / Janspeed Catback
Lot's of CNC machined customs pars. | |
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Posted: Tue Aug 07, 2012 1:31 pm |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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With 90mm trumpets (longest alloy ones available) my induction would be about 370mm. Looking at the Jenvey guidelines it needs to be about 430mm long.
I doubt anything longer would fit under the bonnet especially as the filter needs to be about 25mm from the entry to the inlet.
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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 Aug 07, 2012 1:34 pm |
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Joined: Feb 07, 2010
Posts: 2505
Trade Rating: +19
Location: West mids
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I'm sure I've seen 120mm alloy trumpets before.
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Posted: Tue Aug 07, 2012 2:00 pm |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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Yes on 45mm bodies but there must be a limit to how long they can be to fit under the bonnet. They do 100mm carbon trumpets but they cost twice as much.
I wonder if 45mm trumpets can fit 42mm bodies...a little bit of grinder action on the entry to the throttle body...only 1.5mm each side...cant be too hard...
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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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