Porsche 911 TURBO - 1989 Workshop Manual page 13

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General
Nm/kpm
343/35
Nm/ft. lbs
332/245
Nm/ft.
lbs.
389/286
at engine speed
of 4000 rpm
Max. torque, DIN 70020
Net torque. SAE J 245
Gross torque,
SAE r 245
64/87 (58/82)
Max. liter output. DIN 70020
KW/l HP/l
rpm
rpm
+
7000 -200
207/456 (217/478)
210/463
rpm
Max. speed
Max. cruising speed
Cutoff speed of speed control in
distributor (overrev governor)
Weight of engine with air cleaner (dry)
kg/lbs
930/52
Engine Design
Engine block
Diecast, light alloy,
two sections
Crankshaft
No. of crankshaft bearings
Conrods
Conrod bearings
Piston pin bearings
Intermediate shaft bearings
Pistons
Forged (tenifer treated)
Eight
Forged steel
3 half-shell plain bearings
Press-fit bronze bushing
2-way plain bearing
Forged light alloy.
slipper skirt
Piston pins
Piston rings
Cylinders
Floating installation, snap rings
2 compression rings, 1 oil
scraper ring
Light alloy, nikasil coated
cylinders
Cylinder head
Valve seat inserts
Valve guides
Location of valves per cylinder
Exhaust valve
Valve springs
Valve drive
Camshaft
Separate, light alloy heads
Shrink -fit, annealed
sintered steel
Press-fit, special bronze
1 intake and 1 exhaust valve
suspended in V
N atrium -filled, reinforced
insert ring
2 coil springs per valve
One each overhead camshaft
left and right
Cast, 4 bearings, runs directly in
camshaft housing
Chain
Camshaft drive
Cooling
Engine
Air cooled via axial
blower on alternator
6800
6000

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