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Currently have my Rb25det Stagea at boostworx for the AEM FIC-8 ecu install.

Everything is working, bar the fact that revs wonk go past 5850rpm, although the rev limit is set to around 7250rpm via ecu-remap chip

Suggestions please.

Program used for tuning is this: http://www.aempower.com/files/electronics/...lease080728.exe

ECU is wired into the TPS, CAS, takes over Injectors 1 through to 6

JDM S15 silvia 450cc injectors have been fitted and calibrated, working fine (had 8 to choose from)

Currently 235kw@wheels but not getting past 5850rpm.

Thoughts on how to fix?

cheers

got a beaut economic fuel map written for the 450cc injectors

now the rev cutout point is 6500rpm

what could be the cause of this?

due to larger tomei cams? the head port work we did? perhaps the ecu remap chip might be off on rpm calibration?

thoughts?

cheers

post-18854-1256203568_thumb.jpg

Im sure its the fic-8 exe program that is limiting the rpm to 6500

can a tuner tech please have a look at the linked program (base map will be in the folder you install the program to, to play with)

and suggest what to change to get the rpm limited back up to 7300 rather than 6500rpm - its losing 15kw as you can see.

thanks

pull it and nistune it :ninja:

I notice you have ecu remap chip? why do you have a copgy also?

email the map if you like and i will have a look, i would say it is setting off a flag in the factory ecu more than anything. Probably inj duty, TP limit, Boost sensor limit (17psi ish) or similar... the consult log would be a better place to start looking.

Edited by URAS

consult log shows no fuelling at 6400rpm

bugga

cheers for the point in the correct direction - much appreciated

will be easy to fix now I know where the issue lies

ta again

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