Here is a good thread on AFR's and adjustments that can be made.
Want to raise boost AFR - I have a WUR adjustment question
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'87, Modified WUR, Billet valve, 965 downpipe, Kokeln intercooler, GHL headers, Garrett T04B K27 hybrid, Tial w/.8 bar, WEGO IV, RarlyL8 dual out, LSD
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