Engine Cooling Data; Engine Lubrication Data; Fuel System Data - Porsche Boxster 1999 Technical Manual

Entire vehicle -General
Boxster
DOHC with camshaft adjustment (VarioCam) Valve control
Valve arrangement per cylinder
2 inlet, 2 outlet, suspended parallel V-arrangement
Valve clearance
Hydraulic valve clearance compensation
Inlet opens 150 after TOC
Inlet closes 460 after BOC
Outlet opens 380 before BOC
Outlet closes 70 before TOC
Valve timing with 1 mm valve travel
Engine cooling
Liquid cooling, two electric fans
Type
Integrated dry sump
Engine lubrication
Via oil-water heat exchanger
Oil cooling
Oil pressure at 5000 rpm
Oil temperature 90 °C
bar
approx.5
1/1000 km
up to 1.5
Oil consumption
DME 5.22 with sequential fuel injection
Fuel system
Fuel delivery
1 electr. fuel pump
3.6
4.0
bar
System pressure without vacuum
at least 98/88
Fuel RON/MON
0 Technical data
Printed in Gemlany -20, 1998
0 -32
986O_31