how do I know if I'm running lean?

[ramenboy]

I have a DRAG gen 2 in my LS and was debating whether or not to get the APEX Super AFC (there's a sale on groupbuycenter.com - S-AFC for $289). I'm currently running 7lbs of boost on a stock motor so I was wondering at what point will my injectors max out and whether or not getting a fuel computer is worth it to monitor the A/F mixture (especially if I want to up the boost with and AVC-R)... Any help would be great.

Thanks!

[Silvino]

from my experience with my SC'ed GSR, you can tell a few ways without an AF gauge.

1) Exhaust manifold starts turning a chalky white (at least on my headers).

2) spark plug coloration

3) extremely high gas milage

4) lower power output than normal

There are a few things I saw and then some with my lean condition a while back.


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Silvino Orozco http://www.geocities.com/silvino_orozco 221HP/161TQ at the wheels - corrected)
'97 Integra GS-R w/JRSC (8 PSI), DC 4-2-1 Ceramic Headers, Walboro 255lph High pressure fuel pump , AEM Cold air intake, Powerstop rotors/Axxis Metal Master brake pads, A'PEXi Dunk Exhaust, J&S Safeguard unit,NeuSpeed rear Swaybar, Eibach Springs, Clutch Masters Stage III clutch (not in dyno run), AEM cam gears (installing soon), Energy Suspension motor mounts (not in dyno run)