At wide open throttle (WOT) the EEC IV does not use the EGR emissions system and it also ignores the O2 sensors. The 87-93 cars EEC has a set of spark and fuel tables used just for WOT conditions. Shoulda known UPR would have that stuff.
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Tom (Torque) Moss
88Gt 5spd Vert, FLowmaster Catbacks, stock cam advanced 4° @ 108.5° ICL, NMRA prepped GT40P heads 1.85/1.55 valves and 1.7 rockers, MAC P headers Jet-Hot coated, 97 Exlporer intake (ported lower), TB and injectors. 277RWHP/330RWTQ (SAE).
http://www.fastlanecars.com/
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