madhops87 Posted June 28, 2009 Share Posted June 28, 2009 Looking at a JWT pop charger. The website says there is a 6.5hp increase at the wheel and 14hp at the fly. Is that right? I cant see how a pop charger alone can produce these increases. Quote Link to comment Share on other sites More sharing options...
madhops87 Posted June 28, 2009 Author Share Posted June 28, 2009 Looking at a JWT pop charger. The website says there is a 6.5hp increase at the wheel and 14hp at the fly. Is that right? I cant see how a pop charger alone can produce these increases. Quote Link to comment Share on other sites More sharing options...
martinmac Posted June 28, 2009 Share Posted June 28, 2009 Its unlikely to give you any hp increase at all bud but it sounds very nice. Power gains in these adverts assume the ecu will not even them out so just ignore them, it will Quote Link to comment Share on other sites More sharing options...
martinmac Posted June 28, 2009 Share Posted June 28, 2009 Its unlikely to give you any hp increase at all bud but it sounds very nice. Power gains in these adverts assume the ecu will not even them out so just ignore them, it will Quote Link to comment Share on other sites More sharing options...
Maccaman Posted June 28, 2009 Share Posted June 28, 2009 If you do an ECU reset every few days you might get a bit. Makes a lovely sound though Quote Link to comment Share on other sites More sharing options...
Maccaman Posted June 28, 2009 Share Posted June 28, 2009 If you do an ECU reset every few days you might get a bit. Makes a lovely sound though Quote Link to comment Share on other sites More sharing options...
Jay Posted June 28, 2009 Share Posted June 28, 2009 Use the search button, it has all been answered many times b4 Quote Link to comment Share on other sites More sharing options...
Jay Posted June 28, 2009 Share Posted June 28, 2009 Use the search button, it has all been answered many times b4 Quote Link to comment Share on other sites More sharing options...
madhops87 Posted June 28, 2009 Author Share Posted June 28, 2009 so surely thats false advertising? I was only getting it for the noise! Out of interest, how do you reset the ecu? Quote Link to comment Share on other sites More sharing options...
madhops87 Posted June 28, 2009 Author Share Posted June 28, 2009 so surely thats false advertising? I was only getting it for the noise! Out of interest, how do you reset the ecu? Quote Link to comment Share on other sites More sharing options...
martinmac Posted June 28, 2009 Share Posted June 28, 2009 Check in the guides section, there is a procedure in there but IMO its not something that you will bother to do on a regular basis. The advert is correct in that it would make a gain possible but the 350z ecu learns and smooths out the gains. Quote Link to comment Share on other sites More sharing options...
martinmac Posted June 28, 2009 Share Posted June 28, 2009 Check in the guides section, there is a procedure in there but IMO its not something that you will bother to do on a regular basis. The advert is correct in that it would make a gain possible but the 350z ecu learns and smooths out the gains. Quote Link to comment Share on other sites More sharing options...
madhops87 Posted June 28, 2009 Author Share Posted June 28, 2009 So you'd have to get a remap to benefit? Quote Link to comment Share on other sites More sharing options...
madhops87 Posted June 28, 2009 Author Share Posted June 28, 2009 So you'd have to get a remap to benefit? Quote Link to comment Share on other sites More sharing options...
martinmac Posted June 28, 2009 Share Posted June 28, 2009 Yes bud, aftermarket exhausts, cold air intakes and many other mods would potentially give you gains but without addressing the ecu issue you would be doing it for noise only. Quote Link to comment Share on other sites More sharing options...
martinmac Posted June 28, 2009 Share Posted June 28, 2009 Yes bud, aftermarket exhausts, cold air intakes and many other mods would potentially give you gains but without addressing the ecu issue you would be doing it for noise only. Quote Link to comment Share on other sites More sharing options...
madhops87 Posted June 28, 2009 Author Share Posted June 28, 2009 Thanks for the info. Im still learning! Quote Link to comment Share on other sites More sharing options...
madhops87 Posted June 28, 2009 Author Share Posted June 28, 2009 Thanks for the info. Im still learning! Quote Link to comment Share on other sites More sharing options...
martinmac Posted June 28, 2009 Share Posted June 28, 2009 So am I bud. Quote Link to comment Share on other sites More sharing options...
martinmac Posted June 28, 2009 Share Posted June 28, 2009 So am I bud. Quote Link to comment Share on other sites More sharing options...
jim Posted June 28, 2009 Share Posted June 28, 2009 Check in the guides section, there is a procedure in there but IMO its not something that you will bother to do on a regular basis. The advert is correct in that it would make a gain possible but the 350z ecu learns and smooths out the gains. That's what I thought, but my impression that there had been a slight improvement in pickup has continued since I fitted the popcharger a few weeks ago. Is it possible that I have one of the early JDM ECUs that do not level things out? Is there any other way of knowing whether you have one of them or not? Anyway, it does sound great now! Quote Link to comment Share on other sites More sharing options...
jim Posted June 28, 2009 Share Posted June 28, 2009 Check in the guides section, there is a procedure in there but IMO its not something that you will bother to do on a regular basis. The advert is correct in that it would make a gain possible but the 350z ecu learns and smooths out the gains. That's what I thought, but my impression that there had been a slight improvement in pickup has continued since I fitted the popcharger a few weeks ago. Is it possible that I have one of the early JDM ECUs that do not level things out? Is there any other way of knowing whether you have one of them or not? Anyway, it does sound great now! Quote Link to comment Share on other sites More sharing options...
Gilly199 Posted July 5, 2009 Share Posted July 5, 2009 surely regardless of ecu's learning thingy. a better breathing filter and better flowing exhaust will improve the throttle response. Ive never heard of a car having a "full" exhaust or the more important exhaust parts fitted without and gain. For instance what about sports cats??? Do these have little gain??? They make a massive difference on nearly every car i know of. Don't get me wrong though, im speaking in general. i cant really say much about a car i dont know too much about. Ive just never heard of an ecu being able ruin any gains like this. But re-setting the ecu usualy does freshen up a car from time to time. Gilly Quote Link to comment Share on other sites More sharing options...
Chris`I Posted July 5, 2009 Share Posted July 5, 2009 Gilly, the car will benefit from breathing mods yes. But from what we are led to beleive, the operating window of the ECU is very limited. So you add more air, you need more fuel. Well the car is very clever, and it knows for the revs and engine load, what fueling it should give (this has a window dependant on other things too), so once you hit the upper window in any given situation you wont get any more power as the car will simply not give it any more fuel, so it runs lean. This coupled to a FBW throttle can control the intake too, thus controlling the airflow. SO yes you will get gains, but only up until the point the car doesnt know what to do with the extra breathing which is pretty quick. From the technosquare website (these guys map loads of 350z, so generally know their stuff I am led to beleive!) Current Nissan ECUs come with VERY sophisticated engine control functions, such as a constant O2 sensor feed back system and torque management by an electronic throttle control system. In another words, the ECU has complete control of the engine, not you. When it comes to performance modification and driving, these systems will get in your way, as the factory ECU is set to work best with the stock configuration of the vehicle and ordinary drivers. When you start modifying your Nissan, you will find it very difficult to gain output by just adding performance parts. In some cases, you even lose some power and torque. Since the ECU is unable to automatically detect the modifications you made to your engine, it will still try to work within the parameters set for stock condition. Even if you push the gas pedal to floor, it doesn't mean your throttle is opening 100%. Nissan sets the throttle characteristic for various particulars, such as torque management for drivability, or Venturi effect for faster induction and more. This is fine for the average Joe content to run his car stock, but a lot of enthusiastic drivers find it very annoying. Quote Link to comment Share on other sites More sharing options...
Gilly199 Posted July 5, 2009 Share Posted July 5, 2009 Gilly, the car will benefit from breathing mods yes. But from what we are led to beleive, the operating window of the ECU is very limited. So you add more air, you need more fuel. Well the car is very clever, and it knows for the revs and engine load, what fueling it should give (this has a window dependant on other things too), so once you hit the upper window in any given situation you wont get any more power as the car will simply not give it any more fuel, so it runs lean. This coupled to a FBW throttle can control the intake too, thus controlling the airflow. SO yes you will get gains, but only up until the point the car doesnt know what to do with the extra breathing which is pretty quick. From the technosquare website (these guys map loads of 350z, so generally know their stuff I am led to beleive!) Current Nissan ECUs come with VERY sophisticated engine control functions, such as a constant O2 sensor feed back system and torque management by an electronic throttle control system. In another words, the ECU has complete control of the engine, not you. When it comes to performance modification and driving, these systems will get in your way, as the factory ECU is set to work best with the stock configuration of the vehicle and ordinary drivers. When you start modifying your Nissan, you will find it very difficult to gain output by just adding performance parts. In some cases, you even lose some power and torque. Since the ECU is unable to automatically detect the modifications you made to your engine, it will still try to work within the parameters set for stock condition. Even if you push the gas pedal to floor, it doesn't mean your throttle is opening 100%. Nissan sets the throttle characteristic for various particulars, such as torque management for drivability, or Venturi effect for faster induction and more. This is fine for the average Joe content to run his car stock, but a lot of enthusiastic drivers find it very annoying. that sucks lol Gilly Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.