tony tt Posted September 16, 2012 Share Posted September 16, 2012 This has probably been asked many times but i cant seem to find anything on search. I have a full bpu tt auto with a mines ecu would there be anymore benefit from the car if i put uk spec 550cc injectors in it? Or would it be a waste of time for bpu. Thanks. Link to comment Share on other sites More sharing options...
mattdavies Posted September 16, 2012 Share Posted September 16, 2012 You would need some sort of mapable ECU / piggyback ECU to run the injectors but i believe there is benefit Link to comment Share on other sites More sharing options...
tony tt Posted September 16, 2012 Author Share Posted September 16, 2012 You would need some sort of mapable ECU / piggyback ECU to run the injectors but i believe there is benefit I'll be keeping the mines. I wont be getting an ecu to map no worries cheers for the info. Link to comment Share on other sites More sharing options...
tooquicktostop Posted September 16, 2012 Share Posted September 16, 2012 Made a comfortable 440 bhp on my BPU with 550's but you will need some injector control Link to comment Share on other sites More sharing options...
hodge Posted September 16, 2012 Share Posted September 16, 2012 They will run fine with the stock ECU, but you will need a resistor pack Tony as they are low-impedance injectors and a J-spec are Hi-Imedance. You won't notice any difference power but your EGTs will be lower as well as you will run slightly richer. Link to comment Share on other sites More sharing options...
tony tt Posted September 16, 2012 Author Share Posted September 16, 2012 Ok guys cheers for the info i appreciate that. Link to comment Share on other sites More sharing options...
TheTurtleshead Posted September 16, 2012 Share Posted September 16, 2012 I believe if you add 550 uk spec injectors you need to run an aftermarket piggyback or standalone ecu. As the ecu is obviously mapped for J-spec 440 injectors, and it will just run massively rich if you simply bung them in. Link to comment Share on other sites More sharing options...
tony tt Posted September 16, 2012 Author Share Posted September 16, 2012 I believe if you add 550 uk spec injectors you need to run an aftermarket piggyback or standalone ecu. As the ecu is obviously mapped for J-spec 440 injectors, and it will just run massively rich if you simply bung them in. Understood. Cheers. Link to comment Share on other sites More sharing options...
hodge Posted September 16, 2012 Share Posted September 16, 2012 There's loads of members on here have done it without a piggyback. It's also done on the mk3 supra with a Lexus V8 MAF. It just runs a little rich off boost that's all. Really can't see it being an issue. Link to comment Share on other sites More sharing options...
Nic Posted September 16, 2012 Share Posted September 16, 2012 This has probably been asked many times but i cant seem to find anything on search. I have a full bpu tt auto with a mines ecu would there be anymore benefit from the car if i put uk spec 550cc injectors in it? Or would it be a waste of time for bpu. Waste of time at normal BPU levels. Link to comment Share on other sites More sharing options...
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