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DOHC (Double Overhead Camshaft)

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What Does "Twin-Cam" Mean?
A “twin-cam” engine is a term used to refer to a double overhead camshaft or DOHC, which defines the valve train layout. While saying you have a twin-cam engine sounds cool, it isn’t a precise term. How it...
Symptoms of a Bad or Failing Camshaft Seal
Visible signs of oil leakage and smoke coming from the engine bay can point to a failing camshaft seal.

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What Is a Twin-Cam Engine?
Engines that are considered twin camshaft engines will have individual separate camshafts for the exhaust and intake valves on a cylinder head instead of a single camshaft to operate both the intake and exhaust valves in a cylinder head. The...

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