Manufacturer:	Aston Martin					Class: B
Model:		DB2-4 Mk I and Mk II
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DESCRIPTION:
	2-4 Seater Coupe
	Dry Weight: 2594 lbs
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ENGINE:	Type ..............	DOHC 6 cyl in line
	Bore & stroke .....	83mm x 90mm
	Capacity ..........	2922 cc
	Comp ratio ........	8.2:1 or 8.7:1
	Head material .....	Cast Iron
	Port size .........	Intake: 1.5", Exhaust 1.7"
	Piston material ...	Aluminum Alloy
	Piston weight .....	14.25 oz
	Timing data:
		Intake ....	Open 10° BTDC, Close (not spec'd)° ABDC
		Exhaust ...	Open 10° BBDC, Close (not spec'd)° ATDC 
	Valve lift: .......	0.344" or 3.75"
	Valve head dia:
		Intake ....	1.515"
		Exhaust ...	1.365"
	Valve spring ......	Intake: 41.4 lb/in, Exhaust 103.8 lb/in
	Carburation .......	Two SU H6 701
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TRANSMISSION AND DRIVE TRAIN:
	Ratios:
		1	2.92		2.92
		2	1.96		1.87
		3	1.33	or	1.26
		4	1.00		1.00
		5
	Final drive ratios: 3.31:1=43/13,3.50:1=35/10,3.53:1=46/13,3.73:1=41/11,
			    3.77:1=49/13,4.09:1=45/11,4.10:1=37/9,4.27:1=47/11
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CHASSIS
	Wheelbase ...................	(not spec'd)
	Track dimension, front ......	54"
	Track dimension, rear .......	54"
	Shock absorber ..............	Telescopic
	Steering ratio ..............	14.5:1
	Brakes ......................	12 in Drums, Lining area = 174 in sq
	Tire size ...................	6.00 x 16
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APPROVED OPTIONAL EQUIPMENT
	Larger valves (cyl head conversion VB6L/1)
	Three Weber 35 DCO carburators