... these instructions must be read and followed thoroughly and completely before and during installation It is important that you become familiar with the parts and the installation of the PRO-JECTION ... both the GM, Ford and Holley electronic advance ignitions 3.0 WARNINGS, NOTES, AND NOTICES WARNING! For the safety and protection of you and others, the installation, adjustment, and repair must ... Skip paragraphs 13 and 14 and go to paragraph 15 if tuning without an oxygen sensor Repeat Steps and at a variety of speeds and loads until the Oxy Comp value is between “-10%” and “-20% at all...