We have 1 service advisor per 4 technicians(faster upsell's) we have 2 service managers (to assist in daily operations and functions) over $2 million in parts inventory( faster turn around on parts, and enough service porters to help test drive vehicles for quality control, while you continue wrenching!. keywords: service technician, service tech, technician, automotive, tech, automotive technician, tech, automotive repair, repair, heavy line, differential, engine, lifters, rebuild.