Quote:
Originally Posted by Camaro1973
I’m no expert tuner by any means but here’s my take. Narrow band only contains info on whether it’s rich or lean. Wideband is just what it sounds like, can read very lean to very rich. This is what’s needed to tune properly as your getting the actual AFR and not just data from the narrow band which is a lean/rich condition.
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Correct. Narrow band is only accurate at 14.7:1 whereas the wideband can go like 8:1 to 17:1 and be accurate the entire range. Since you’re probably in the 12:1 range at WOT, you need the wideband to know if you’re on target.
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, ATI 8L90, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors & BB HPFP, TooHighPSI/Katech port injection, 15” conversion 1066 WHP STD/1027 SAE, 9.10@152.5 (new times coming)
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