Competition Page

1969 PCS Book

1969 PCS Index

Manufacturer:	Chevrolet Motor Division			Class: B
Model:		Corvette 283
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ENGINE:
	Manufacturer ......	Chevrolet
	Type ..............	OHV – V8
	Bore & stroke .....	3.88” x 3.00”
	Capacity ..........	283 cu in
	Head material .....	C.I.
	Block material ....	C.I.
	Valve head dia:
		Intake ....	1.94” or 1.72”
		Exhaust ...	1.50”
	Carburation .......	Roch. FI (see alternates below)
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TRANSMISSION AND DRIVE TRAIN:
	Clutch Diameter:	10”
	Gearbox
		No. speeds forward:	3 or 4
		Ratios:
			Std.	Alt.	Alt.	Alt.	Alt.	Alt.
		1	2.21	2.20	2.47	2.94
		2	1.32	1.66	1.53	1.68
		3	1.00	1.31	1.00	1.00
		4		1.00	
		5
	Overdrive
		Make & Model:	None
		Ratio .......	
	Final drive ratios: 	3.27, 3.36, 3.55, 3.70, 4.11, 4.56
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CHASSIS
	Wheelbase ...................	101.85”
	Track dimension, front ......	57”
	Track dimension, rear .......	59”
	Wheel Diameter ..............	15”
	Rim Width ...................	5.5”
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BRAKES		STANDARD		ALTERNATE
	Front:	11” Drum
	Rear:	11” Drum
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WEIGHT & CAPACITIES
	Official weight:	2731 lbs	Radiator cap ......	16.5 Qt
						Oil sump cap ......	5 Qt
						Fuel tank cap .....	16.4 Gal
						Alt: 			24 Gal
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ALTERNATE SPECIFICATIONS
	Alternate carburation: one or two Carter 4-bbl
	Finned C.I. brake drums of larger width
	Fast steering adapter
Note: Standard Specifications include either hydraulic or solid lifters standard