Competition Page

1969 PCS Book

1969 PCS Index

Manufacturer:	Austin						Class: E
Model:		Austin Healey BN4, BN6 (100-6)
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ENGINE:
	Manufacturer ......	BMC
	Type ..............	Pushrod 6 cyl in line
	Bore & stroke .....	3.13” x 3.55”
	Capacity ..........	2639 cc
	Head material .....	C.I.
	Block material ....	C.I.
	Valve head dia:
		Intake ....	1.69”
		Exhaust ...	1.42”
	Carburation .......	Two 1.5” or 1.75” SU
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TRANSMISSION AND DRIVE TRAIN:
	Clutch Diameter:	9”
	Gearbox
		No. speeds forward:	4
		Ratios:
			Std.	Alt.	Alt.	Alt.	Alt.	Alt.
		1	3.08
		2	1.91
		3	1.33
		4	1.00
		5
	Overdrive
		Make & Model:	Laycock
		Ratio .......	0.78
	Final drive ratios:	3.3, 3.9, 4.1, 4.8
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CHASSIS
	Wheelbase ...................	92”
	Track dimension, front ......	48.75”
	Track dimension, rear .......	50”
	Wheel Diameter ..............	15”
	Rim Width ...................	4.5”
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BRAKES		STANDARD		ALTERNATE
	Front:	11” Drum
	Rear:	11” Drum		See Below
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WEIGHT & CAPACITIES
	Official weight:	2435 lbs	Radiator cap ......	12.5 Qt
						Oil sump cap ......	
						Fuel tank cap .....	14.5 Gal
						Alt: 			25 Gal
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ALTERNATE SPECIFICATIONS
	H8257 Flywheel
	H8249 Disc brakes