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| Author | Subject: Ecosse opcon Vs Lynx Rotrex supercharger |
 thomo6
Regular  Location: York Registered: 17 Oct 2010 Posts: 104 Status: Offline |
Post #1
Can some one please advise the differences between the Ecosse opcon and the Lynx Rotrex superchargers. Having searched the internet have found that the opcon conversion is good for approximately 220/230 bhp compared to 250 ish from the Rotex. What's the benefits of either one?Also what would a second hand Ecosse opcon set up be worth? Finally anyone aware of a fitting guide for the opcon, as know that their is one for the Lynx. Thanks in advance. |
 Posted 11th May 2014 at 10:39
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rallyeash
Seasoned Pro  Location: Devizes Registered: 11 Dec 2006 Posts: 4,424 Status: Offline |
Post #2
Check out Torque figures, Lynx/Rotrex doesn't make for good torque. ________________________________________ 230 hp 2.1 16v XU 205 rallye on jenveys Project thread here309 3dr K20 Type R |
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Posted 11th May 2014 at 11:20
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rallyestyle
Seasoned Pro  Location: London Registered: 23 Jul 2003 Posts: 14,990 Status: Offline |
Post #3
rallyeash wrote: Check out Torque figures, Lynx/Rotrex doesn't make for good torque. Whats considered good though? The unrestricted high boost setups produce more than enough torque id say  ________________________________________ Just Drive It |
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Posted 11th May 2014 at 12:49
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rallyeash
Seasoned Pro Location: Devizes Registered: 11 Dec 2006 Posts: 4,424 Status: Offline |
Post #4
Not compared to the HP they produce! My impreza had more torque than HP! A super high boost lump makes 450hp and just over 300lbft. I appreciate that it's still a lot of torque but not in relation to the power. In my opinion makes it feel like a standard engine In some owners words until you get up the revs. ________________________________________ 230 hp 2.1 16v XU 205 rallye on jenveys Project thread here309 3dr K20 Type R |
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Posted 11th May 2014 at 12:55
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aaron6
Seasoned Pro  Location: On the sofa in maidstone Registered: 16 May 2006 Posts: 5,840 Status: Offline |
Post #5
I agree ash. I always thought torque figures were low. My impreza also had more torque than bhp. The pull in the seat was similar to that of a silly boost one. Although the car was only a bit quicker than a low boost. ________________________________________ See the sheer power and might of the lesser known burrowing owl. |
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Posted 11th May 2014 at 13:22
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rallyeash
Seasoned Pro Location: Devizes Registered: 11 Dec 2006 Posts: 4,424 Status: Offline |
Post #6
Yeah the pull on my impreza was really strong as it would be with a 2.5 cosworth built version 9 engine and 400lbft. I've seen supercharged pugs match the HP and torque. Think AllenAllan runs an eaton which is less power than a Rotrex but runs more torque compared to a LBSC ________________________________________ 230 hp 2.1 16v XU 205 rallye on jenveys Project thread here309 3dr K20 Type R |
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Posted 11th May 2014 at 13:26
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aaron6
Seasoned Pro Location: On the sofa in maidstone Registered: 16 May 2006 Posts: 5,840 Status: Offline |
Post #7
Yeah, im finding these Eaton chargers quite interesting. It'll be nice to see issues ironed out and then put on a track with a low boost. ________________________________________ See the sheer power and might of the lesser known burrowing owl. |
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Posted 11th May 2014 at 14:06
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rich_w
Seasoned Pro  Location: Havant, Hampshire Registered: 29 Jul 2004 Posts: 5,412 Status: Offline |
Post #8
rallyeash wrote: Not compared to the HP they produce! My impreza had more torque than HP! A super high boost lump makes 450hp and just over 300lbft. I appreciate that it's still a lot of torque but not in relation to the power. In my opinion makes it feel like a standard engine In some owners words until you get up the revs. That's just how centrifugal S/C deliver power - we wanted them to be driveable, and if we built an equivalent high-boost setup with a Roots or twin-screw type compressor, having a lump of low down torque (like a turbo) would not be driveable on a FWD car. We wanted to keep the N/A characteristics of the car and engine. For comparison, our low-boost conversion can produce around 210 ft/lbs torque, I doubt that's any less than the Ecosse conversion. It depends how you want your power and torque to be delivered really. ________________________________________ Contact Details:rich@lynxpowerengineering.co.uk 07732 822546 |
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Posted 11th May 2014 at 15:16
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rallyestyle
Seasoned Pro Location: London Registered: 23 Jul 2003 Posts: 14,990 Status: Offline |
Post #9
Yeah thats what i was thinking, loads of torque in a 4wd/rwd car is great but in a fwd car it's going to spin the wheels up too much  ________________________________________ Just Drive It |
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Posted 11th May 2014 at 19:22
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aaron6
Seasoned Pro Location: On the sofa in maidstone Registered: 16 May 2006 Posts: 5,840 Status: Offline |
Post #10
True, but with the low boosts you can feel that they wants some more torque.________________________________________ See the sheer power and might of the lesser known burrowing owl. |
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Posted 11th May 2014 at 19:42
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #11
indeed, might as well go larger capacity N-A.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 11th May 2014 at 19:44
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aaron6
Seasoned Pro Location: On the sofa in maidstone Registered: 16 May 2006 Posts: 5,840 Status: Offline |
Post #12
I personally would prefer n/a but do the costs of a 2.1 build on bodies etc exceed the low boost? ________________________________________ See the sheer power and might of the lesser known burrowing owl. |
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Posted 11th May 2014 at 20:27
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #13
Costs would be similar or lower, you'd go 2.2 btw, no extra cost.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 11th May 2014 at 20:31
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aaron6
Seasoned Pro Location: On the sofa in maidstone Registered: 16 May 2006 Posts: 5,840 Status: Offline |
Post #14
Cool. Didn't someone do it years ago?________________________________________ See the sheer power and might of the lesser known burrowing owl. |
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Posted 11th May 2014 at 20:42
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Niall
Seasoned Pro  Location: Epsom Registered: 06 Jun 2012 Posts: 1,941 Status: Offline |
Post #15
rallyeash wrote: Yeah the pull on my impreza was really strong as it would be with a 2.5 cosworth built version 9 engine and 400lbft. I've seen supercharged pugs match the HP and torque. Think AllenAllan runs an eaton which is less power than a Rotrex but runs more torque compared to a LBSC Well how much is your average LBSC Rotrex? 250BHP? Allens Eaton is running a shade over 250 and iirc about 200lb/ft. Mine is running 190hp and 180lb/ft but thats because my fuel pump was f**ked and had a chronic boost leak. I can safely say that although its only a bit more power (at the moment anyway) than standard, it really has change the way it drives. Peak torque is now at about 3.5k i believe and it feels much more useable than any LBSC Rotrex I've been in. I know the eatons aren't as efficient as a rotrex but personally, i wouldn't change. Also, the noise is quite addictive  |
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Posted 11th May 2014 at 20:56
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #16
aaron6 wrote: Cool. Didn't someone do it years ago? there's a few 205's running them yes. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 11th May 2014 at 20:59
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Niall
Seasoned Pro Location: Epsom Registered: 06 Jun 2012 Posts: 1,941 Status: Offline |
Post #17
aaron6 wrote: Yeah, im finding these Eaton chargers quite interesting. It'll be nice to see issues ironed out and then put on a track with a low boost. If mine is remapped before FCS then hopefully this will happen  |
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Posted 11th May 2014 at 21:05
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rallyeash
Seasoned Pro Location: Devizes Registered: 11 Dec 2006 Posts: 4,424 Status: Offline |
Post #18
If you do book the 11.45 to 1.45 open pit as I'll be out with my 205. ________________________________________ 230 hp 2.1 16v XU 205 rallye on jenveys Project thread here309 3dr K20 Type R |
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Posted 11th May 2014 at 21:09
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RetroPug
Seasoned Pro  Location: Leicestershire Registered: 15 Jan 2013 Posts: 2,473 Status: Offline |
Post #19
What sort of cost would a 2.2 build on bodies likely be out of interest?________________________________________ 61k miles Ph.1 Diablo '6 Project Thread |
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Posted 11th May 2014 at 21:12
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aaron6
Seasoned Pro Location: On the sofa in maidstone Registered: 16 May 2006 Posts: 5,840 Status: Offline |
Post #20
All good questions. You bringing yours to pugfest niall?________________________________________ See the sheer power and might of the lesser known burrowing owl. |
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Posted 11th May 2014 at 21:20
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Niall
Seasoned Pro Location: Epsom Registered: 06 Jun 2012 Posts: 1,941 Status: Offline |
Post #21
aaron6 wrote: All good questions. You bringing yours to pugfest niall? I am mate By pugfest it will definitely be remapped so be good to go and should see 220-230hp. At the moment now I've fixed the boost leak, as soon as i go about 3psi it runs as lean as f**k as it hasn't been mapped to 6psi yet. Hope to get it done before FCS as well if they have a slot but i suppose they will be bloody busy seeing as its show season! |
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Posted 11th May 2014 at 21:36
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jamiek_uk2000
Seasoned Pro  Location: Llanelli Registered: 18 Apr 2009 Posts: 1,925 Status: Offline |
Post #22
Has anyone boosted a 2.2 by any chance?________________________________________ 205 GTi Red - G939 RTU - Died!306 GTi 6 Diablo - Being resurrected! Project Thread Looking for: VTS P1 Rack PR1.2 16" |
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Posted 11th May 2014 at 21:38
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Niall
Seasoned Pro Location: Epsom Registered: 06 Jun 2012 Posts: 1,941 Status: Offline |
Post #23
jamiek_uk2000 wrote: Has anyone boosted a 2.2 by any chance? Not that I've seen. Care to try? Can imagine it will either fail epically or be serious win  |
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Posted 11th May 2014 at 21:41
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #24
Rough prices off the top of my head using decent parts (none of this pec/wossner tat) and depends massively on how much you do yourself really, if I was doing it myself I would be assembling it at the least myself.General machining work £250 (head refinish and block bore) Pistons and rods, £1200 Cam £200 Inlet £180, bodies £380 Trumpets £100. backplate and filter £100. Mains £35, Big ends £30, Thrust bearings £30. HG £40. Bolts £15. Seals £30. Consumables £100. Timing belt and water pump £100. Roughly £2790 you could run it on the standard ecu mapped, or go DTA S40 or similar, budget £550 and £330 on mapping, £80 for bits to make a loom. probably missed a few bits. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 11th May 2014 at 21:48
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RetroPug
Seasoned Pro Location: Leicestershire Registered: 15 Jan 2013 Posts: 2,473 Status: Offline |
Post #25
Thanks. Something to dream of for the future. Want a TB'd something in my life at some point. Probably should have asked what sort of power and performance to expect with that sort of set-up as well, assuming somewhere in the mid 200s and extreme levels of fun? ________________________________________ 61k miles Ph.1 Diablo '6 Project Thread |
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Posted 11th May 2014 at 22:51
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