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wabbit · 01-02-2005, 11:13 PM

308 standard bore = 307.81 ci
308 +.010 = 309.32 ci
308 +.020 = 310.84 ci
308 +.030 = 312.37 ci
308 +.040 = 313.89 ci
308 +.060 = 316.96 ci
308 +.065 = 317.73 ci 5.206 litres

stroking a motor also increases the cubic capacity.

it's just the volume of eight cylinders

the radius squared X pi X the stroke X the number of cylinders

just remember that boring a motor increases the diameter of the bore, not the radius.
in your case, your bore is increased 65 thou total to 103.25 mm/ 4.065"

01-02-2005, 11:13 PM	#1 (permalink)
wabbit smell something burning? Trade Rating: (0) Join Date: Oct 2004 Location: Rockhampton Ride: VK Commy slugmobile, Kia Rio, LH Torry Posts: 6,123	Bore size and cubic inch 308 standard bore = 307.81 ci 308 +.010 = 309.32 ci 308 +.020 = 310.84 ci 308 +.030 = 312.37 ci 308 +.040 = 313.89 ci 308 +.060 = 316.96 ci 308 +.065 = 317.73 ci 5.206 litres stroking a motor also increases the cubic capacity. it's just the volume of eight cylinders the radius squared X pi X the stroke X the number of cylinders just remember that boring a motor increases the diameter of the bore, not the radius. in your case, your bore is increased 65 thou total to 103.25 mm/ 4.065" __________________ Nothing to see, here Move along, please .