afc2 plus 550 injectors

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get_up_mark
Posts: 295
Joined: Mon Nov 29, 2004 5:52 am
Car: 98 240sx se

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im running an afc with 370cc injectors but i feel the need for more power and my injectors are maxed out. will my afc2 be able to handle 550cc injectors or possibly bigger once i decide on my power goals? also ill be running the z32 maf if that makes a difference.


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david200095367
Posts: 1632
Joined: Mon Mar 29, 2004 7:57 am
Car: 91 fastback 93 coupe w/s14 sr20det 98 s14 kouki

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The most the safc II can handle with a stock ecu is 550cc.

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lilskyline240
Posts: 1887
Joined: Fri Oct 14, 2005 9:55 am
Car: 90 240sx w/ rb30det

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how are u running a different MAF with an SAFC?

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znelson
Posts: 195
Joined: Wed Feb 01, 2006 2:58 pm
Car: 1992 240SX

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lilskyline240 wrote:how are u running a different MAF with an SAFC?
A ton of people run n60/n62 maf's with the safc for control. I run a j60 w/ the safc2 actually.

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lilskyline240
Posts: 1887
Joined: Fri Oct 14, 2005 9:55 am
Car: 90 240sx w/ rb30det

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is it compatible with the SAFC?? im not very familiar with the SAFC so thats why im asking

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znelson
Posts: 195
Joined: Wed Feb 01, 2006 2:58 pm
Car: 1992 240SX

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Ya, thats what the AFC allows you to do. You can dial in the In/Out settings depending on what maf and injectors you are using

Florida240sx
Posts: 11114
Joined: Thu Jul 01, 2004 7:17 am
Car: 1993 Nissan 240SX Hatch 5spd
2012 Nissan Altima S coupe 2.5
Location: DeLand FL

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You can run larger than 555. But you might get into idle and gas mileage issues. 555 are the max you cna have full control over. With a different engine you might be able to ocntrol higher or lower. Depending on what your CP ratio is and your ignition system. With tomei 555cc I was able to idle in the 14's and had perfect a/f ratio at all rpms.


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