Porsche 928 Engine information

Engine specifications across the European models

	M28.01/02 928	M28.09/10 928	M28.11/12 928S	M28.21/22 928S2	M28.41/42 928S4	M28.41SP 928CS/SE	M28.47 928GT	M28.49/50 928GTS
Cylinders	8	8	8	8	8	8	8	8
Valves	16	16	16	16	32	32	32	32
Capacity	4474	4474	4664	4664	4957	4957	4957	5397
Stroke	78.9	78.9	78.9	78.9	78.9	78.9	78.9	85.9
Bore	95	95	97	97	100	100	100	100
Compression Ratio	8.5:1	10.0:1	10.0:1	10.4:1	10.0:1	10.0:1	10.0:1	10.4:1
Max Power	240	240	300	310	320	320	330	350
at engine speed	5500	5250	5900	5900	6000	6000	6200	5700
Max Torque	250	271	263	263	317	317	317	369
at engine speed	3600	4000	4500	4100	3000	3000	4100	4250
Cut Off Speed	6300	6200	6500	6400	6600	6600	6800	6600
Idle Speed				700	675	675	775	675
Dry Weight kg	245	245	261	261	264	264	264	266

Design	8 cylinder, 4 stroke, internal combustion V engine
Crankcase	2 piece, light alloy crankcase without cylinder liners
Crankshaft	Forged with 5 plain bearings							8 bearings
Rods	Sinter-forged steel
Pistons	Light alloy - cast, contact surface iron coated
Camshaft	Cast, without bearing shells, running in camshaft housing
Camshaft drive	Toothed belt				Toothed belt and internal chain
Valves	1 intake, 1 exhaust in line overhead				2 intake, 2 exhaust suspended in V
Timing	Overhead camshaft and hydraulic tappets				2 overhead camshafts per bank and hydraulic tappets
Valve Play	Self adjusting
Valve Timing
Intake opens	8	12	9	6	11	3	3
Intake closes	55	48	52	54	36	42	42
Exhaust opens	38	32	37	43	17	30	30
Exhaust closes	2	6	2	4	2	5	5

Cooling	Closed coolant-filled system
Fans	mechanical fan + electric fan and thermal switch				2 electric fans with thermal switches
Lubrication	Forced oil circulation with crescent pump
Oil Filter	Full flow type
Oil pressure @ 4000rpm	5 bar when oil temp between 80 and 100 degC
Oil consumption	up to 2.4 litres per 1000 miles
Exhaust	Continuous twin pipe with primary, intermediate and final mufflers				Continuous twin pipe with 3 way catalytic converter, intermediate and final mufflers
Emissions	Secondary air injection				3 way catalytic converter and secondary air injection
Heater	warm water heater with heat exchanger and fan
Fuel Delivery	1 electric fuel pump				2 electric fuel pumps

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For Sale, Porsche 928 S4, 1990, Automatic, Black. Black leather interior with red piping

Details

Porsche 928 S4, 1990, Automatic, Black. Black leather interior with red piping.

108,500 miles, 4 previous owners (2 were father and son who owned it for most of its life), extensive service history / full past 7 years worth of receipts from Porsche specialist garage.

Electric windows, mirrors, sunroof, sport seats, working AC, immobiliser, cup wheels, cruise control, ABS, power steering. Spare wheel, compressor.

Excellent condition, drives beautifully. New cambelt & alternator @ 104,500 miles. New brakes / tires throughout @

103,000. Tax and MOT until Aug 09. Lack of use prompts sale.

£7500 o.n.o.

Based in south central London. Contact: Matt on 07843 169444 or Click here to contact the seller by email or call 07530 844745

More Pictures (longer load time) below.

www.928.org.uk

Porsche 928 Engine information

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