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2000 model Hyundai Lantra GLS 2.0 (G4GF) factory 5 speed manual. Fully optioned. Most things work...
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Friend of mine helped in the local Excel X3 Cup class. He would ground the O2 sensor and force the engine into closed loop mode and tune it. It was a little more competitive against other cars (rules stipulated no remapping the ECU or mechanical engine mods...)
 
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