Sub_Culture Posted February 9, 2006 Share Posted February 9, 2006 Anyone tried? I have a full BPU set sitting at home, and might have a go fitting it at the weekend. Feel okay about fitting decat pipes and spark plugs, but how hard is it to wire in a Boost Cut defender? Positive wire, easy Negative wire, easy, MAP In & OUT? HELP??? Andy Quote Link to comment Share on other sites More sharing options...
Jake Posted February 9, 2006 Share Posted February 9, 2006 See attached Quote Link to comment Share on other sites More sharing options...
Sub_Culture Posted February 9, 2006 Author Share Posted February 9, 2006 GENT! Thanks, fella! Andy Quote Link to comment Share on other sites More sharing options...
Supra-Dupra Posted February 9, 2006 Share Posted February 9, 2006 Without the FCD I get to 110mph then bang like its hitting a wall ! This normal when its disconnected, some popping from exhaust aswell !? You getting this Sub Culture ? Quote Link to comment Share on other sites More sharing options...
paconnors Posted February 9, 2006 Share Posted February 9, 2006 Without the FCD I get to 110mph then bang like its hitting a wall ! This normal when its disconnected, some popping from exhaust aswell !? You getting this Sub Culture ? Sounds like you have a jap limiter still fitted. Quote Link to comment Share on other sites More sharing options...
garethr Posted February 9, 2006 Share Posted February 9, 2006 Without the FCD I get to 110mph then bang like its hitting a wall ! This normal when its disconnected, some popping from exhaust aswell !? You getting this Sub Culture? There is a speed limiter (on cars originally sold in Japan) which prevents the car exceeding 180 kph, and there is a boost limiter which cuts the fuel in order to prevent what the manufacturer sees as excessive boost pressure -- two different things. Quote Link to comment Share on other sites More sharing options...
Sub_Culture Posted February 9, 2006 Author Share Posted February 9, 2006 Not sure if there is confusion here? My car is delimited, but I think Im right in thinking that if I go BPU I need the TRL converter that I have bought to stop the turbos boosting over 1.2 bar. Is this right? Andy Quote Link to comment Share on other sites More sharing options...
supRo Posted February 9, 2006 Share Posted February 9, 2006 Not sure if there is confusion here? My car is delimited, but I think Im right in thinking that if I go BPU I need the TRL converter that I have bought to stop the turbos boosting over 1.2 bar. Is this right? Andy First bit correct Andy (Speed delimiting). The ECU stops fuel if it senses more than 1 bar as a safety precaution. So you need a fuel cut defender to get round this - TRL ones are the best. To stop the boost going more than 1.2 bar - you need a restrictor ring in the exhaust Edit to say: you can still set the fuel cut to whatever you want on a TRL fuel cut defender, but best way to control boost is to use the restrictor ring. My TRL VFCC is set to 1.4 bar to take in account of boost spiking Ro Quote Link to comment Share on other sites More sharing options...
Sub_Culture Posted February 9, 2006 Author Share Posted February 9, 2006 No, that's fine, Ive got a restrictor ring to go on as well (between the two decat pipes I assume?). Andy Quote Link to comment Share on other sites More sharing options...
supRo Posted February 9, 2006 Share Posted February 9, 2006 No, that's fine, Ive got a restrictor ring to go on as well (between the two decat pipes I assume?). Andy Location varies with people, I don't think it really matters but I may be wrong. Some people have it between downpipe and 1st decat. Mines between last decat and back box pipe. A word of caution. A 1.2 bar restrictor ring may not neccessarilly restrict the boost to exactly 1.2 bar as no car is the same. My first 1 bar restrictor ring was still making boost to 1.1 1.2 bar. I then replaced it with a ring with a smaller hole! When you install the de-cats and ring, keep a good eye on the boost gauge! Quote Link to comment Share on other sites More sharing options...
Pete Posted February 9, 2006 Share Posted February 9, 2006 Mental note....really must buy a boost gauge. Quote Link to comment Share on other sites More sharing options...
China Man Posted February 9, 2006 Share Posted February 9, 2006 Cold weather will give you a higher boost as well with the restrictor ring. I am running 1.1-1.2 bar in winter and 1 bar and less in summer. China Quote Link to comment Share on other sites More sharing options...
supRo Posted February 9, 2006 Share Posted February 9, 2006 Cold weather will give you a higher boost as well with the restrictor ring. I am running 1.1-1.2 bar in winter and 1 bar and less in summer. China Yup, this is where a manual or electronic boost controller helps. I use 1 bar for normal driving and a press of a button gives me 1.2 for extra fun! I find permanent 1.2 bar becomes boring after a while so being able to switch boost from low to high is much more fun! Quote Link to comment Share on other sites More sharing options...
Supra-Dupra Posted February 9, 2006 Share Posted February 9, 2006 Sounds like you have a jap limiter still fitted. Well it was doing over 150 before it was decatted ??? Quote Link to comment Share on other sites More sharing options...
Supra-Dupra Posted February 9, 2006 Share Posted February 9, 2006 There is a speed limiter (on cars originally sold in Japan) which prevents the car exceeding 180 kph, and there is a boost limiter which cuts the fuel in order to prevent what the manufacturer sees as excessive boost pressure -- two different things. Will stick the FCD back in morrow and give it a blast tomorrow Im expecting it to be ok once re fitted !! Quote Link to comment Share on other sites More sharing options...
Sub_Culture Posted February 10, 2006 Author Share Posted February 10, 2006 See attached Stupid question, but I presume this wires in to the plugs in the drivers side footwell? had a quick look at the car (in the dark!) and its the only multiplug that resembles this piccy. Sorry for sounding dim! Andy Quote Link to comment Share on other sites More sharing options...
c0c4in3 Posted February 10, 2006 Share Posted February 10, 2006 is the FCD made by HKS fitted the same way? Quote Link to comment Share on other sites More sharing options...
c0c4in3 Posted February 10, 2006 Share Posted February 10, 2006 BTW.... Simple way to disconnect the Speed Limit on a J-Spec: Simply cut the a wire that goes into the odometer :-) I think it should be enough if you cut the blue/red one... Thats 12v. If you cut this, your ODO won't work anymore but the Speed Limiter won't work either... Just for testing ;-) Quote Link to comment Share on other sites More sharing options...
Supra-Dupra Posted February 13, 2006 Share Posted February 13, 2006 Sub did you fit it yet ? Quote Link to comment Share on other sites More sharing options...
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