Search for: Introduction To Roth Automotive Science › Forums › Topic Tag: combustion Viewing 3 topics - 1 through 3 (of 3 total) Topic Voices Posts Last Post Engine combustion – What doesn’t burn? Started by: admin in: Engine 1 1 2 years, 4 months ago admin Spark Plug technology: Platinum, Iridium, or Copper Spark Plugs? Started by: admin in: Engine 2 3 3 years, 1 month ago admin What causes the Typical Diesel sound? Started by: admin in: Engine 1 1 5 years, 3 months ago admin Viewing 3 topics - 1 through 3 (of 3 total)