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Cylinder Head 102 - Hydro Test Valves

Cylinder Head 102 - Hydro Test Valves
  Jafromobile
225   59K  

If you noticed a drop in compression on one cylinder, and pouring a cap of oil through the spark plug holes didn't fix it, then it's likely you experienced a leaky valve or a burnt valve seat. What this test does is show you where it was leaking. Typica


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