420cc injector sizing

Nistune topics specific to the 6802 cpu

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Hendrick301
 

Posts: 32
Joined: Sat Jun 09, 2007 4:54 am
Location: Charlotte, NC USA

420cc injector sizing

Post by Hendrick301 »

ok so if factory fuel flow at idle is 259cc @ 30psi and the benz injectors flow at 420cc @ 37psi.

wouldent the rateing "psi" effect the changed k values when doing a injector swap?

i figured the 420cc injectors would be at about 340cc @ 30psi

anyone know what the k value and latency would be for 340cc injectors?
1985 300Z 5-Speed GLL Turbo. T-3/T-4 Turbo Upgrade Stage 3, K&N, Certified Muffler 2.5 Exhaust, 420cc Injectors, Walbro 255 Fuel Pump, Eibach Springs,Tokico Struts, MSA Swaybar Kit, Front Mount Intercooler, Greddy Type RS Blow off Valve, Nistune PCM
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Fusion Ed
 

Posts: 281
Joined: Fri May 04, 2007 4:13 am
Location: Chertsey Surrey
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Post by Fusion Ed »

just adjust the K value to get a lamba feedback of around 95-100% on the alpha learn. You'll be all good then.

Ed
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