are 740cc injectors to much for the apexi afc neo2????? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

shmiddy · 06-05-2008, 12:38 PM

so i was thinking about getting nismo 740cc injectors to finish my sr. but the guy who does my tuning said that i should get some sort of stand allone or a re-tuned ecu for that kind of injector rating. he says that with the neo itself it wont work as well.. is that true?? this guys almost rewired my whole sr harness in a few days so i have allot of confidence in the guy, just want a second opinion.... any afc pro's on zilvia??????

chituntang · 06-05-2008, 12:42 PM

neo cannot handle that much...
If you are using 740cc injectors, I think your setup needs standalone anyways.

rps13drift · 06-05-2008, 12:43 PM

afc's are shit and i believe 550cc injectors are the limit over stock! Look into a jim wolf ecu or enthalapy ecu!

shmiddy · 06-05-2008, 12:57 PM

^^^ thanx guys

shmiddy · 06-05-2008, 01:02 PM

Quote:

Originally Posted by rps13drift

afc's are shit and i believe 550cc injectors are the limit over stock! Look into a jim wolf ecu or enthalapy ecu!

damn me for being a cheap bastard

dookiedang · 06-05-2008, 01:04 PM

go power FC! its the bang for your buck for a stand alone ecu well that is if you wanna stick with Apexi. theres hks Fcon Pro too, that works really well. next step is Aem EMS if you wanna go Big.

dookiedang · 06-05-2008, 01:05 PM

Power Fc Ftw!!

HS13KLS · 06-05-2008, 01:09 PM

i hear everyone like aem ems.lol
but yea they are right,cant use the safc

dookiedang · 06-05-2008, 01:11 PM

Quote:

Originally Posted by HS13KLS

i hear everyone like aem ems.lol
but yea they are right,cant use the safc

hahah of course everyone like AEM EMS. it cost almost as much as an sr front clip.

shmiddy · 06-05-2008, 01:13 PM

ok one more question guys.. how much hp can i get out of a sr with 550's

set up:
s13 blacktop
full t3 top mount turbo
walbro
sard fpr
and freddy intake manifold..............

golfer17 · 06-05-2008, 01:20 PM

I'd be hesitant even to go to 550's with an safc neo, i'm running 480's and a z32 maf with mine, and i still have to take out almost 20% fuel up top (though thats become 15% now that i'm running a 25% e85 mix). Just remember the more fuel you have to take out or add in, the farther away your timing map will be, and that's what causes problems, especially if you're not monitoring knock.

Sileighty_85 · 06-05-2008, 01:26 PM

550's will get ya 300-375 reliable I think.
depending on you HP Goals if ya want around 400+
just go with some 740's its better to have more fuel then not enough

***S14DB*** · 06-05-2008, 01:43 PM

50% is the bigest you can go on a SAFC style piggy. So, 50% of 370 is 185, 185+370 i s 555. 550 would work but is on the edge.

You are still faking out the ECU and Nissan ecus alter the timing based on load. I would be worried how much my timing would be off. High denotation and crazy EGT risk.

OK for trimming a Tune. But I wouldn't tune with them.

steve shadows · 06-05-2008, 03:24 PM

Quote:

Originally Posted by HS13KLS

i hear everyone like aem ems.lol
but yea they are right,cant use the safc

AEM you need to get a replacement trigger wheel and modify the CAS.

The ignition map will sometime sweep off track with load which could spell disaster.

They are now equiping the newest batches with the upgraded trigger wheel that replaces the stock on in the cas.

JUST FYI

06-05-2008, 12:38 PM	#1
shmiddy Zilvia FREAK! Join Date: Nov 2007 Location: nyc Age: 39 Posts: 1,279 Trader Rating: (2) Feedback Score: 2 reviews	are 740cc injectors to much for the apexi afc neo2????? so i was thinking about getting nismo 740cc injectors to finish my sr. but the guy who does my tuning said that i should get some sort of stand allone or a re-tuned ecu for that kind of injector rating. he says that with the neo itself it wont work as well.. is that true?? this guys almost rewired my whole sr harness in a few days so i have allot of confidence in the guy, just want a second opinion.... any afc pro's on zilvia?????? __________________ i fully de-volved

06-05-2008, 12:43 PM	#3
rps13drift Zilvia FREAK! Join Date: Oct 2006 Location: NJ BRO!!!! Age: 39 Posts: 1,194 Trader Rating: (6) Rides Gallery: rps13drift Feedback Score: 6 reviews	afc's are shit and i believe 550cc injectors are the limit over stock! Look into a jim wolf ecu or enthalapy ecu! __________________ http://allies-drift.blogspot.com/

06-05-2008, 12:57 PM	#4
shmiddy Zilvia FREAK! Join Date: Nov 2007 Location: nyc Age: 39 Posts: 1,279 Trader Rating: (2) Feedback Score: 2 reviews	^^^ thanx guys __________________ i fully de-volved

06-05-2008, 01:13 PM	#10
shmiddy Zilvia FREAK! Join Date: Nov 2007 Location: nyc Age: 39 Posts: 1,279 Trader Rating: (2) Feedback Score: 2 reviews	ok one more question guys.. how much hp can i get out of a sr with 550's set up: s13 blacktop full t3 top mount turbo walbro sard fpr and freddy intake manifold.............. __________________ i fully de-volved

06-05-2008, 01:20 PM	#11
golfer17 Zilvia Member Join Date: Jan 2005 Location: Colorado Age: 39 Posts: 215 Trader Rating: (1) Feedback Score: 1 reviews	I'd be hesitant even to go to 550's with an safc neo, i'm running 480's and a z32 maf with mine, and i still have to take out almost 20% fuel up top (though thats become 15% now that i'm running a 25% e85 mix). Just remember the more fuel you have to take out or add in, the farther away your timing map will be, and that's what causes problems, especially if you're not monitoring knock. __________________

06-05-2008, 12:42 PM	#2
chituntang Zilvia Junkie Join Date: Sep 2005 Location: ATL Age: 38 Posts: 505 Trader Rating: (13) Feedback Score: 13 reviews	neo cannot handle that much... If you are using 740cc injectors, I think your setup needs standalone anyways.

06-05-2008, 01:04 PM	#6
dookiedang Zilvia FREAK! Join Date: Apr 2008 Location: Vegas to Northern Illinois Posts: 1,056 Trader Rating: (13) Feedback Score: 13 reviews	go power FC! its the bang for your buck for a stand alone ecu well that is if you wanna stick with Apexi. theres hks Fcon Pro too, that works really well. next step is Aem EMS if you wanna go Big.

06-05-2008, 01:05 PM	#7
dookiedang Zilvia FREAK! Join Date: Apr 2008 Location: Vegas to Northern Illinois Posts: 1,056 Trader Rating: (13) Feedback Score: 13 reviews	Power Fc Ftw!!

06-05-2008, 01:09 PM	#8
HS13KLS Zilvia FREAK! Join Date: Aug 2006 Location: Illinois/California Age: 35 Posts: 1,114 Trader Rating: (13) Feedback Score: 13 reviews	i hear everyone like aem ems.lol but yea they are right,cant use the safc

06-05-2008, 01:26 PM	#12
Sileighty_85 Post Whore! Join Date: Dec 2006 Location: Misawa, Japan Posts: 6,815 Trader Rating: (8) Feedback Score: 8 reviews	550's will get ya 300-375 reliable I think. depending on you HP Goals if ya want around 400+ just go with some 740's its better to have more fuel then not enough __________________ 後輪駆動車１番 1989 Built SR GT2871R -363whp 1998 S14 W/RB25- 250ish (For Now) 1986 SR86 - 200ish 1990 R32 GTR - 320hp Don't Buy Engines from JDM-Online http://zilvia.net/f/businesses/207457-jdm-online.html Don't Buy XS-Power or SSAC Shit

06-05-2008, 01:43 PM	#13
*S14DB* AFC #1 Join Date: Oct 2003 Location: 昨晩あなたのお母さんの家 Posts: 20,181 Trader Rating: (3) Feedback Score: 3 reviews	50% is the bigest you can go on a SAFC style piggy. So, 50% of 370 is 185, 185+370 i s 555. 550 would work but is on the edge. You are still faking out the ECU and Nissan ecus alter the timing based on load. I would be worried how much my timing would be off. High denotation and crazy EGT risk. OK for trimming a Tune. But I wouldn't tune with them. __________________ Comments should be taken as Opinions not as Statements of Fact