996 Carrera Technical File — PCGB Hamilton and Naghar / PAGE 8
Camshaft adjustment Porsche VarioCam with 25° adjustment · Valve clearance
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Camshaft adjustment Porsche VarioCam with 25° adjustment
Valve clearance Hydraulic valve clearance compensation
Valve timing
with 1 mm valve travel and zero clearance Inletopens 15° after TOC
Inletcloses 59° after BOC
Outlet opens 39° before BOC
Outlet closes r before TOC
Intake system 2-stage tuned-intake system (plastic)
Engine cooling Water cooling; two radiators ahead of the front wheels.
(Additional radiator for Tiptronic vehicles)
Two electric fans, controlled in two stages
Engine lubrication
Type Integrated dry sump
Oilcooling Via oil-water heat exchanger
Oilfilter On pressure side behind oil pump
Oilpressure at n = 5000 rpm Approx. 0.5 bar at 90 °C
Oil pressure indication Oil pressure indicator light
Oil consumption Approx. 1.0 1/1000 km
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