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For the most part, our test subjects came in somewhere between 30 and 45 percent leakdown. It's not great but it is mostly consistent from cylinder to cylinder, which is what you want to see. Cylinder 7, on the other hand, registered a very low 20 percent
1984 Camaro Z28 Leakdown Test - Pressure Points

For the most part, our test subjects came in somewhere between 30 and 45 percent leakdown. It's not great but it is mostly consistent from cylinder to cylinder, which is what you want to see. Cylinder 7, on the other hand, registered a very low 20 percent  View Related Article

 

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