EJT33 Posted May 29, 2013 Share Posted May 29, 2013 hey everyone Does anyone know why my car could be kicking back and like a loud noise coming from the exhaust it just started recently so ive changed all plugs the coil pack and done a full service thinking it could be the oil which I was told but made no sense as I only run motul 300v chrono it usually happens on boost but not all the time im currently have a profec b controller and a apexi afc neo( I know its not as good as a power fc) I have larger injectors 600c upgraded afm z32 larger fuel pump and fuel pressure regulator it seems like the car is running really rich or could it be another issue that I haven't figured out. If anyone knows the basics of tuning an afc neo please let me know as well as I cant get a booking for a tune till mid june. Sorry if this Is a stupid question but does + on the afc mean your increasing fuel or the air intake thanks Link to comment https://www.sau.com.au/forums/topic/426094-rb25det-serious-spitting-during-acceleration-tuning-or-something-else/ Share on other sites More sharing options...
simpletool Posted May 30, 2013 Share Posted May 30, 2013 I can't think how it could be the oil unless having none has caused a failure. Definitely sounds tune related. The combination you have described plus AFC Neo = monkey purple dishwasher moon dog wonder special long time. ie = it does not make sense and will not work properly. Do not drive the car until it gets a proper tune. Link to comment https://www.sau.com.au/forums/topic/426094-rb25det-serious-spitting-during-acceleration-tuning-or-something-else/#findComment-6871412 Share on other sites More sharing options...
EJT33 Posted May 30, 2013 Author Share Posted May 30, 2013 ok wont do thanks so I take it the neo isn't a good choice with all those mods will I see a difference with a power fc and where is the best place in perth to tune was thinking either hyperdrive or ovaboost anyone have reviews on either of these I use to get hyperdrive to do a lot of work on my silvia and they were pretty good Link to comment https://www.sau.com.au/forums/topic/426094-rb25det-serious-spitting-during-acceleration-tuning-or-something-else/#findComment-6871675 Share on other sites More sharing options...
Dose Pipe Sutututu Posted May 30, 2013 Share Posted May 30, 2013 Put a wideband on it and figure it out, with those mods I would use a standalone. I find SAFCs only good on stockish cars to tidy up the AF Link to comment https://www.sau.com.au/forums/topic/426094-rb25det-serious-spitting-during-acceleration-tuning-or-something-else/#findComment-6871719 Share on other sites More sharing options...
EJT33 Posted May 30, 2013 Author Share Posted May 30, 2013 yeah didn't realise the safc were really restricted to what they can do will be upgrading to a power fc and give it a full tune which should solve the problem and give me the extra power that I seem to missing with it Link to comment https://www.sau.com.au/forums/topic/426094-rb25det-serious-spitting-during-acceleration-tuning-or-something-else/#findComment-6872059 Share on other sites More sharing options...
Dose Pipe Sutututu Posted May 30, 2013 Share Posted May 30, 2013 if it comes cheap then get one, if not there are plenty of newer ECUs out there.. PowerFCs are dated. Link to comment https://www.sau.com.au/forums/topic/426094-rb25det-serious-spitting-during-acceleration-tuning-or-something-else/#findComment-6872114 Share on other sites More sharing options...
EJT33 Posted May 31, 2013 Author Share Posted May 31, 2013 thanks for the advice Link to comment https://www.sau.com.au/forums/topic/426094-rb25det-serious-spitting-during-acceleration-tuning-or-something-else/#findComment-6873496 Share on other sites More sharing options...
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