Hondata

Installed RC 440 injectors and new exhaust. I was going to change to a 3.8" pulley but opted not. My autometer a/f gauge is showing me running lean almost all the time, however kpro shows pretty much stoich to rich with only a couple of lean spots when I down shift.

The stats
03 Civic SI EP3
JRSC ...

Here is a new cal and datalog

here's a new datalog. same thing. I wonder if it isn't some phantom knock. I'm going to upgrade the injectors too. See what you think. The plugs looked good. Everything else appears to be tight. The belt does need replacement, but I will do that when I change the pulley. I'm not sure about the ...

Thanks man. I'm puling the plugs tonight. Next week I'm changing the pulley and the belt on the sc. I've another set of plugs for it. Thanks again for your help. My air fuel leans out a bit here and there. Should I worry about that?

Fonz

Here's a short datalog after loading your calibration. I have to go back to work but I'll check back later. Thanks for your help.

Sip

03 civic si - built in u.k. - but sold in u.s.

I'm really learning this as I go. So be kind. Thanks

I'm running closed loop

Here's the cal and 2 partial datalogs - I can't get out to get her opened up. With that knock count I'm not sure I want to anyway.

2003 Ep3 jrsc 4" pulley-jr race header - test pipe - factory injectors - factory cat back - 3" cai

I 'm having trouble getting this figured out. I've loaded the kal file with the 440 inj. Changed to 270, Runs rich throughout but leans out at idle. Getting som knocks I'll load the datalog as soon as ...