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Compression and Leakdown Test Results


Vehicle Information: Model: 911 S; Year: 1973; Body Type: Targa; Engine (type, size, modifications): 2.4; Total Mileage: 97,000;

Please let me know how to interpret the following test results for my stock 73 911 S....Compression Test : # 1 Cyl has 120 PSI and all others have 125 PSILeakdown Test : Cyl 1,3,5 have 30 % leakage .....Cyl 2,4,6 have 25 % .....Thank you....

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