porsche Workshop Repair Guides

Porsche Workshop Service and Repair Manuals

Compression Check|Specifications|Page 1237 > < Variable Valve Timing Actuator|Service and Repair|Page 1233
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Compression Check: Specifications

Compression Pressures

Expected pressure ranges of 4.8-liter V8 naturally aspirated engine .......................................................................  approx. 18 to 25 bar (no wear limits)
Expected pressure ranges of 4.8-liter V8 turbo engine ............................................................................................  approx. 15 to 18 bar (no wear limits)
Maximum difference between the cylinders in bar overpressure (within one measurement) ........................................................................................  3.0

Compression Check|Specifications|Page 1237 > < Variable Valve Timing Actuator|Service and Repair|Page 1233