Originally Posted by Stu @ M Developments
Originally Posted by SECS
Stu, Your are so right.
Had some one recently by an ecu off me. Said he could map no problem.
Had about 10-12 phone calls as he did not know what AFR he needed at idle.
Also, he reckons he could tell AFR levels by looking at the smoke coming out
of the exhaust.
I told him idealy around lambda 1.00 he said is that rich or lean

ROFLOL... i could tell you soooo many funny DIY stories

well start another topic and tell them then