X30xe with c25xe inlet and menagement

X30xe with c25xe inlet and menagement

by calibrated » Fri Dec 11, 2015 12:05 am

Hi folks i need advice...im runing x30xe in my calibra(originally c20xe)...first i had 3.0 omega inlet and menagement with 2 oxygen sensors and so on...but i got alot of error codes and didnt menage to engage multiram valves so i switched to c25xe inlet and ecu...but now i think this c25xe inlet is restricting airflow because looks too small and doesnt make hising induction noise above 3000 rpm as 3.0 inlet manifold did...and is my engine down on power because of the 2.5 fuel and ignition maps? While 3.0 menagment was on the engine fuel consumption was about consumption of c20xe with lot of error codes...but when i put c25xe menagement there are no error codes but consumption is 50% higher..why? So now im thinking of putting again 3.0 inlet and remain on 2.5 menagement and put some chip in ECU or remap it....Thanks in advance for your help
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Re: X30xe with c25xe inlet and menagement

by calibrated » Fri Dec 11, 2015 10:32 am

Yes but i choosed c25 menagment because there is no immobiliser,EGR,2 lambdas and cold SAI pump.... I put injectors from x30xe they are 212ccm @ 3bar(c25xe are 196 ccm @3bar)....fuel pressure regulator is 3.0 bar...i will put 4bar...however mistery about fuel consumption remains. :) also has anyone rolling roaded x30xe with 2.5 menagment(whatever x25 or c25) before and after remap for some hp figures?
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Re: X30xe with c25xe inlet and menagement

by calibrated » Mon Dec 21, 2015 10:50 am

I putted back 3.0 inlet and now getting EML above 5000 rpm code 74(mass air flow sensor voltage hihg,eg. Airflow too high) and when put into 3rd gear engine chokes...which means that 2.5 ECU cannot cope with 3.0 with its original inlet...so i dont know where did you get that 200+ bhp on standard 2.5 inlet..rolling road? And how much accurate?
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