Manufacturer:	Porsche					Class: F
Model:		356A-356B/1600 (Normal)
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DESCRIPTION:
	Steel Coupe, Cabriolet, Roadster and Hard Top
	Dry Weight:
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ENGINE:	Type ..............	4 cyl ohv opposed
	Bore & stroke .....	3.25" x 2.91"
	Capacity ..........	1582 cc
	Comp ratio ........	7.5-8.0:1
	Head material .....	Aluminum Alloy
	Port size .........	Intake 35mm, Exhaust 28mm
	Piston material ...	Aluminum Alloy
	Piston weight .....	12.34 oz (with rings)
	Timing data:		
		Intake ....	Open 5° BTDC, Close 43° ABDC
		Exhaust ...	Open 43° BBDC, Close 5° ATDC
	Valve lift: .......	Intake: 0.334", Exhaust 0.323"
	Valve head dia:
		Intake ....	1.5"
		Exhaust ...	1.22"
	Valve spring ......	Outer 83.7 lb @ 1.247" (38.2Kg @ 31.7mm)
				Inner 34.2 lb @ 1.185" (15.5Kg @ 30.2mm)
	Carburation .......	Two Zenith 32NDIX or Pallas/Zenith NFIX
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TRANSMISSION AND DRIVE TRAIN:
	Ratios:	
		1	11:34	12:33
		2	17:30	16:31	15:32	18:29
		3	23:26	22:27	20:27	18:29
		4	27:22	25:24	24:25	23:26	20:27
		5
	Final drive ratios: 4.428(31/7), 4.857(34/7), 5.167(31/6)
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CHASSIS
	Wheelbase ...................	82.7"
	Track dimension, front ......	51.4"
	Track dimension, rear .......	50.1"
	Shock absorber ..............	Telescopic
	Steering ratio ..............	16:1
	Brakes ......................	Drum type, total lining area=121.4 in sq
	Tire size ...................	5.90 x 15, 5.60 x 15
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APPROVED OPTIONAL EQUIPMENT
	Limited-slip differential
	80 Litre fuel tank
	Induction venturi
	Center-lock wheels
	Bucket sports seats
	Compensating spring (rear axle)
	Light-weight wheels
	HD Sway bar (16mm)
	Large front brakes (60mm wth ventilated backing plates)
	Magnetic oil filter with centrifugel valve
	Valve cover with ball check
	Large oil pump
	Centrifugal oil pickup

	Notes:	No Super pistons allowed in 1600 Normal
		No Super-90 pistons allowerd in 1600 Super
		Connecting Rod weights:	1600 Normal = 14.98 oz
					1600 Super = 15.16 oz
					1600 Super-90 = 16.57 oz
		Flywheel weights: 1600 Normal, Super, and Super-90 = 17.79 lbs