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les_garten les_garten is offline
Macht Schnell
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Join Date: Jun 2003
Location: PSL, FL
Posts: 861
Originally Posted by mark houghton View Post
If your WUR is operating as it should be, then setting the CO% at idle will put you in the ballpark under all operating conditions. But, the big but, is that all control systems have to be working in unison correctly or your AFR's will get out-of-whack when you stand on the go pedal. If your car has any modifications beyond stock (turbo, intercooler, muffler, headers, etc), then an adjustable WUR and AFR readings throughout the power band are the safest way to go. Put it on a dyno or install a remote wide band AFR sensor and gauge. Then drive it and tune it.
I think we're in agreement. I'm not sure you understood what I meant by this statement.

Almost" useless if you think you have any real afr issues
That was my shorthand/lazy way of saying what you said.
---Les Garten---85 930, Andial IC, GHL Headers, Fabspeed Dual, K-27 HF2, 3.4 JE Full Finned 7.5:1 CR, 964 CAM'd, Carerra 3.2 Manifold Cut/Flipped, Tec3r, Siemans 55#, GSF Fuel Rails, Clewett Crank Trigger, Clewett Cam Trigger,Dual Plugged, ARP Head Studs/Rod Bolts, Clewett Wires.Tial 46mm WG, Tial 50mm BOV, WEVO Shifter,934 Boost Gauge, Wideband EGO Sensor/Gauge, C2T Head Gaskets, '88 MB 300TE,BMW R100RT
Old 10-06-2008, 04:32 PM
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