PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

Lean on launch transient

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Old 10-21-2017 | 08:44 PM
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From: Royal Oak, Mi
Default Lean on launch transient

The car is a 00 Camaro SS with a LQ9,823 heads, LS3 intake/injectors, 90mm TB, full exhaust, 4K stall converter and every time a launch at the track, I get a lean spike while the car is still in CL fueling and then my AFR is fine once I'm in OL. The car seems to switch the OL fueling right about 3700-4000rpm and I can't see to figure out how to either enter OL fueling earlier or get the transition from CL to OL no to have a lean spike. I typically brake stall the car to about 2800rpm and then WOT stab on the launch. Attached is a data log, my tune, and my HPtuners config. Any help is greatly appreciated.
Attached Files
File Type: hpl
11.32@119_2.hpl (282.1 KB, 41 views)
File Type: hpt
10_21_17_track3.hpt (223.1 KB, 35 views)
File Type: xml
VMS_102117.Layout.Layout.xml (21.2 KB, 28 views)
File Type: xml
VMS_072317.Layout.xml (21.2 KB, 25 views)



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