Competition Page

1969 PCS Book

1969 PCS Index

Manufacturer:	Lotus						Class: F
Model:		Lotus 7 & 7 America
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ENGINE:
	Manufacturer ......	Ford 105E		BMC
	Type ..............	OHV 4 cyl in line	OHV 4 cyl in line
	Bore & stroke .....	3.19” x 1.91”		2.48” x 3.00”
	Capacity ..........	997 cc			948 cc
	Head material .....	C.I.			C.I.
	Block material ....	C.I.			C.I.
	Valve head dia:
		Intake ....	1.3”			1.16”
		Exhaust ...	1.2”			1.00”
	Carburation .......	Two 1.25” SU		2-1.25” or 1.125” SU
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TRANSMISSION AND DRIVE TRAIN:
	Clutch Diameter:	7.25”			6.25”
	Gearbox
		No. speeds forward:	4
		Ratios:
			Std.	Alt.	Alt.	Alt.	Alt.	Alt.
		1	4.12	2.92	3.64	2.57	2.65	3.20
		2	2.40	1.70	2.37	1.68	1.68	1.92
		3	1.41	1.28	1.41	1.23	1.23	1.36
		4	1.00	1.00	1.00	1.00	1.00	1.00
		5
	Overdrive
		Make & Model:	None
		Ratio .......	
	Final drive ratios:	4.11, 4.55, 4.88
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CHASSIS
	Wheelbase ...................	88”
	Track dimension, front ......	47.5”
	Track dimension, rear .......	48.5”
	Wheel Diameter ..............	13”
	Rim Width ...................	3.5”
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BRAKES		STANDARD		ALTERNATE
	Front:	8” Drum
	Rear:	7” Drum
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WEIGHT & CAPACITIES
	Official weight:	890 lbs		Radiator cap ......	8 Qt
						Oil sump cap ......	4 Qt
						Fuel tank cap .....	9.5 Gal
						Alt:
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ALTERNATE SPECIFICATIONS
	AEA 408 Flywheel
	CAO-B405/6 Front 9” disc brake kit (results in 7/8” track increase)
	Authorized frame modification: