Competition Page

1967 PCS Book

1967 PCS Index

Manufacturer:	Roots						Class: F
Model:		Sunbeam Alpine I,II,III,IV,V & Harrington Le Mans
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ENGINE:
	Manufacturer ......	Roots
	Type ..............	OHV 4 cyl in line
	Bore & stroke .....	3.12”x3.25” or 3.21”x3.00” or 3.11”x3.00”
	Capacity ..........	1725 cc or 1592 cc or 1494 cc
	Head material .....	Aluminum
	Block material ....	C.I.
	Valve head dia:
		Intake ....	1.50” or 1.48” or 1.432” or 1.436”
		Exhaust ...	1.21” or 1.18” or 1.172” or 1.176”
	Carburation .......	Two Zenith-Stromberg 150 CD (See below)
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TRANSMISSION AND DRIVE TRAIN:
	Clutch Diameter:	8”
	Gearbox
		No. speeds forward:	4
		Ratios:
			Std.	Alt.	Alt.	Alt.	Alt.	Alt.
		1	3.35	3.32	2.97	2.97
		2	2.14	1.90	1.90	1.60
		3	1.39	1.24	1.23	1.24
		4	1.00	1.00	1.00	1.00
		5
	Overdrive
		Make & Model:	Laycock
		Ratio .......	0.803
	Final drive ratios:	3.89, 4.22, 4.44, 4.86
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CHASSIS
	Wheelbase ...................	86”
	Track dimension, front ......	51.5”
	Track dimension, rear .......	50.5”
	Wheel Diameter ..............	13”
	Rim Width ...................	4.5”
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BRAKES		STANDARD		ALTERNATE
	Front:	10” Disc
	Rear:	9” Drum
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WEIGHT & CAPACITIES
	Official weight:	1970 lbs	Radiator cap ......	9 Qt
						Oil sump cap ......	5 Qt
						Fuel tank cap .....	14 Gal
						Alt:
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ALTERNATE SPECIFICATIONS
	1 Solex 32 PAIA
	1 Zenith 36 WIP2
	S233196 – Aux fuel tank, 25 gal