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Upgrading fuel system ideas for NOVI 1200/1500

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Old 08-08-2017, 06:12 PM
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Originally Posted by JUSTINTHECOASTIE
pretty sure the 450pump does not fit the stock fuel carrier...
The bottom bracket cannot be put back on but its not hard to compensate for this correctly. Mine is snug as can be. The way the filter comes off the pump, its actually a little shorter than the stock setup so you need to adjust for that..but no big deal.


Old 08-08-2017, 06:17 PM
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Originally Posted by JUSTINTHECOASTIE
With your setup is closed loop activated? Short and long term fuel trims?
I was running AEM EMS, but yes, 02 feedback was on below about 8psi and it ran great.
Old 08-08-2017, 06:17 PM
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Originally Posted by Charper732
The bottom bracket cannot be put back on but its not hard to compensate for this correctly. Mine is snug as can be. The way the filter comes off the pump, its actually a little shorter than the stock setup so you need to adjust for that..but no big deal.


thanks for the input, however I have and will be using the SOS piece as it makes for a clean, reverse-able install if needed
Old 08-08-2017, 06:20 PM
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Originally Posted by tom153
I was running AEM EMS, but yes, 02 feedback was on below about 8psi and it ran great.
interesting as the will eliminate the need of a second set of injectors, rail, injector driver, etc. The biggest thing for me with these is the have to idle, light cruise, and provide part throttle as the 1000cc injectors with both 93 and e85. Thanks for your input I will be looking into them
Old 08-08-2017, 06:23 PM
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Originally Posted by JUSTINTHECOASTIE
interesting as the will eliminate the need of a second set of injectors, rail, injector driver, etc. The biggest thing for me with these is the have to idle, light cruise, and provide part throttle as the 1000cc injectors with both 93 and e85. Thanks for your input I will be looking into them
The 2000cc Bosch injectors were absolutely terrible in terms of idle and drivability, however, these things were sooo much nicer after I got them dialed in. There were a couple of other guys on here who ran them as well.

Last edited by tom153; 08-08-2017 at 06:34 PM.
Old 08-08-2017, 09:57 PM
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Originally Posted by tom153
The 2000cc Bosch injectors were absolutely terrible in terms of idle and drivability, however, these things were sooo much nicer after I got them dialed in. There were a couple of other guys on here who ran them as well.
I am leaning towards the ID1700s at this point, I will update the possible cost later today. I'm thinking if I get them and are in happy with them they can still be my secondary set of injectors
Old 08-09-2017, 04:44 AM
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Im pretty sure ID have had a big revamp of their injector line up. I recently fitted the ID1050x injectors and one of the plus points compared to the old injectors are improved low pulse width performance.

As for O2 Feedback that is completely down to whoever maps it and how close they get the map to being perfect before they hand it back over to you. I know most people tend to run the ability for the ECU to add or minus 10% of fuel. You can chose whether you want the ECU to change the mixture whilst in boost but it depends on you having a good Wideband and ensuring you treat it as a serviceable item that needs changing occasionally. Mine is referenced whilst in boost and lasted about 2 years before its response started to tail off so i replaced it.
Old 08-09-2017, 08:00 AM
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Originally Posted by markforrester99
Im pretty sure ID have had a big revamp of their injector line up. I recently fitted the ID1050x injectors and one of the plus points compared to the old injectors are improved low pulse width performance.

As for O2 Feedback that is completely down to whoever maps it and how close they get the map to being perfect before they hand it back over to you. I know most people tend to run the ability for the ECU to add or minus 10% of fuel. You can chose whether you want the ECU to change the mixture whilst in boost but it depends on you having a good Wideband and ensuring you treat it as a serviceable item that needs changing occasionally. Mine is referenced whilst in boost and lasted about 2 years before its response started to tail off so i replaced it.
I think you are missing what I'm asking for. I've owned my S2000 for more than 10years, Ive ran nitrous, turbo, and now have a SC'd S2000. I know the in's and out's of this car, I know how it works, drives, and even how to tune on an above basic level. What I dont know as everyone else seems not to is which sized injector will work for what I need. What you fail to realize it no matter the tune, if the injectors can NOT be controlled at low flow because they are too large you will have problems with idle, cruising, etc. I'm trying to find a way to get the 1000cc like idle and closed loop capability with enough flow to support my power goal. Thanks for your input though.
Old 08-09-2017, 08:19 AM
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I have the id1700's they will not idle like stock (high idle and a little rich) but the drivability is very good and they flow very well. I would recommend id 1300's, a 450 pump, and a external fuel pressure regulator for your 500 + goal.

Last edited by staylor725; 08-09-2017 at 08:33 AM.
Old 08-09-2017, 10:06 AM
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Originally Posted by staylor725
I have the id1700's they will not idle like stock (high idle and a little rich) but the drivability is very good and they flow very well. I would recommend id 1300's and a 450 pump for your 500 + goal.
Awesome thank you! I wonder if they are enough for 560-600whp with an SC


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