Gaz Walker Posted December 19, 2002 Share Posted December 19, 2002 Originally posted by Terry S Ah c'mon Nic, can't I have some secrets;) It runs 850cc's if that helps. I think the stage 4's will be awesome, but as such are untested yet. It won't be long, but if anymore are done these are the ulitimate it terms of size & flowwith the current wheel technology. That turbo is Terry's pride and joy. He won't tell a sole what it is, bit like a safe combination Gaz. Quote Link to comment Share on other sites More sharing options...
Guest Terry S Posted December 19, 2002 Share Posted December 19, 2002 I will tell people eventully, but I want to see all these other car's wheeled out that are going to wipe the floor with mine & Leon's first. You can tell by the way it spools that it's not a huge turbo unlike some others. 2835's are still asleep at 3000 rpm let alone making 10 psi. Basically it is usable power. Anyone can build a car that is quick in a straight line, but on the street:rolleyes: Quote Link to comment Share on other sites More sharing options...
Paul Whiffin Posted December 19, 2002 Share Posted December 19, 2002 What did it put out with normal fuel just as a comparison mate? Quote Link to comment Share on other sites More sharing options...
Guest Terry S Posted December 19, 2002 Share Posted December 19, 2002 603 @ 24 psi on straight Optimax. Quote Link to comment Share on other sites More sharing options...
Paul Whiffin Posted December 19, 2002 Share Posted December 19, 2002 Correctamundo. thats why I didn't go for the HKS twins, I want useable power, dont want to be sitting there waiting around for the turbos to start working. I do a lot of track days as well so I wanted something that hasn't got a 2000 rpm powerband. I think I might be getting a big turbo to bolt on for different events though, it only takes around 1/2 hour to change a turbo over on my setup now. So I can have a small turbo(what I've got now) for track days/road use and a large one for the straight line stuff. Quote Link to comment Share on other sites More sharing options...
Nic Posted December 19, 2002 Share Posted December 19, 2002 I would guess it is one of those 'specially powerful' turbos:D Quote Link to comment Share on other sites More sharing options...
Paul Whiffin Posted December 19, 2002 Share Posted December 19, 2002 I know what it is but I'm not going to tell you either. Quote Link to comment Share on other sites More sharing options...
Nic Posted December 19, 2002 Share Posted December 19, 2002 Paul, wouldn't you need to remap your ECU for the different turbos or would it be just a case of downloading a previously saved file? Quote Link to comment Share on other sites More sharing options...
Paul Whiffin Posted December 19, 2002 Share Posted December 19, 2002 Yep, another map would be needed, wouldn't be massively different though, the main problem I had with the AEM was that I had to start from scratch, now I have a decent map its easy. Its on a case of changing the fuel and ignition map to suit, save on it on a lap top and then I can upload different maps for different turbo's, fuels, etc. Next thing I must do is a map for high octane fuel to see what a difference some jungle juice makes. Should see confortabe over the 600 mark me thinks. Trouble is I can't put the power down as it is, in the dry spins up all the way through 2nd and a some of 3rd so why do I need more power? I just get bored to easily I think. Quote Link to comment Share on other sites More sharing options...
Guest Terry S Posted December 19, 2002 Share Posted December 19, 2002 Have you not set up the traction control in the AEM yet?? Mine wheelspins at 120mph apparently ( according to Leon) but I haven't tried it yet myself. Also guys FWIW I believe that Leon's car will make significantly more power than mine. Quote Link to comment Share on other sites More sharing options...
Paul Whiffin Posted December 19, 2002 Share Posted December 19, 2002 Not yet, its litterally just been released on the latest software upgrade so I haven't tried it yet. Can't because my laptop blew up and its in being repaired! Yep, wheel spin can be a bugger but then it is a tad slippery out there at the moment, when its wet just forget it. Quote Link to comment Share on other sites More sharing options...
Guest Terry S Posted December 20, 2002 Share Posted December 20, 2002 I am gonna have a play with the ECU TC over Christmas see how it works. I have messed with it off-line & it looks superb, but we'll see! Quote Link to comment Share on other sites More sharing options...
Guest Martin F Posted December 20, 2002 Share Posted December 20, 2002 Originally posted by Terry S You can tell by the way it spools that it's not a huge turbo unlike some others. 2835's are still asleep at 3000 rpm let alone making 10 psi. Basically it is usable power. Anyone can build a car that is quick in a straight line, but on the street:rolleyes: Too true, if you look at your graph compared to mine (obviously stockers) yours seems to be boosting at more or less the same time as stock units. Loverly Jubley!! Quote Link to comment Share on other sites More sharing options...
Guest Terry S Posted December 20, 2002 Share Posted December 20, 2002 Thanks Martin. An awful lot of the "spool" can be put down to the tuning of the EMS. Mess about with the timing & AFR low down & it's amazing how much difference this can make to making boost earlier. Quote Link to comment Share on other sites More sharing options...
Guest Martin F Posted December 20, 2002 Share Posted December 20, 2002 Yep so i've heard. Still would love to know how advancing the timing can help improve spool. Quote Link to comment Share on other sites More sharing options...
Guest Terry S Posted December 20, 2002 Share Posted December 20, 2002 I think it's a mind thing really because you get more power before the turbo comes on line, & the car comes on line quicker because you increase the load lower down. AFR's have the biggest effect because you want to keep the exhaust temps up to get the turbo spooling. Quote Link to comment Share on other sites More sharing options...
eyefi Posted December 20, 2002 Share Posted December 20, 2002 terry, what method does yr ems use for traction control? the aem ems doesnt have traction control yet, the next software release will include a "rate of acceleration" type TC, with a wheel sensor based slip control TC promised in the future. Quote Link to comment Share on other sites More sharing options...
Guest Terry S Posted December 20, 2002 Share Posted December 20, 2002 Eyefi, the Autronic uses the wheel speed sensors. The front sensor is used to determine the vehicle speed based upon revolutions of the wheel . from there it determines the RPM per 1000 rpm in each gear. The same values are applied to the rear but obviously the wheel revolutions increase when the wheels are spinning. The ecu works out which gear the car is in. From there I can vary the amount of slip in each gear, & the rate at which the ecu cuts the power. I can also select the speed at which the TC is initiated, so below say 15mph I can spin the crap out of it if I want. I can also select how I want the power cut, either by injectors or ignition. Pretty comprehensive really. Hope I explained it OK? Quote Link to comment Share on other sites More sharing options...
Gaz Walker Posted December 20, 2002 Share Posted December 20, 2002 Originally posted by Terry S Pretty comprehensive really. Hope I explained it OK? Impressive Gaz. Quote Link to comment Share on other sites More sharing options...
Branners Posted December 20, 2002 Share Posted December 20, 2002 If you dump your RLTC I would be interested in it... JB Quote Link to comment Share on other sites More sharing options...
Guest Terry S Posted December 20, 2002 Share Posted December 20, 2002 LOL JB. I'll have you down as the first port of call if I do. I still have your rear lights by the way. Quote Link to comment Share on other sites More sharing options...
Ian C Posted December 20, 2002 Share Posted December 20, 2002 'ere - I've just noticed that Terry's fat bastard turbo produces more power lower down than Nic's and Paul's. Not much, but it's there. I would have thought a bigger turbo = less low down grunt? Not dissing Paul's or Nic's setup of course just curious as to how a porky turbo can outperform a smaller one at lower revs?!? Plus if Terry knows something you guys don't maybe you should ask him nicely -Ian Quote Link to comment Share on other sites More sharing options...
Branners Posted December 20, 2002 Share Posted December 20, 2002 Originally posted by Terry S LOL JB. I'll have you down as the first port of call if I do. I still have your rear lights by the way. cool, I was thinking just the other day how can I get hold of some import lights to replace my spazzo UK ones. So you have the late spec rear lights in now then? Im surprised by Martins power curve, Im sure mine would look nothing like that. I really need to get down to G-force or somebody and get it checked. JB Quote Link to comment Share on other sites More sharing options...
Rich J Posted December 20, 2002 Share Posted December 20, 2002 Originally posted by Ian C just curious as to how a porky turbo can outperform a smaller one at lower revs?!? TUNING IS EVERYTHING!!! Quote Link to comment Share on other sites More sharing options...
eyefi Posted December 20, 2002 Share Posted December 20, 2002 cheers terry, so thats quite a good system. does it cut power by each cylinder or by each revolution? does cutting power by injector create a lean condition, or is there no fuel whatsoever in the chamber to burn, thus no lean condition? is ignition cut the spark that cuts or the timing (in degs) of the spark? Quote Link to comment Share on other sites More sharing options...
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