bakerboys
10-13-2009, 06:18 AM
i have a bbc bored .030 over with the stock stroke did the ci increase?
bbchevy
10-13-2009, 06:22 AM
Sure Did!
+0.030 = 461 Cubic Inches.
Later
G 8)
curtisreed
10-13-2009, 06:22 AM
Yes. to 460.6 or what most people call a 461.
Dang it got treed on that one.
Baker if it helps it is
bore x bore x stroke x .7854 x 8 = cubic inch
oldandtired
10-13-2009, 07:53 AM
If all things remain equal (heads, gasket, type of piston), the + .030 bore increase also increases compression ratio, about 0.15 more.
Dave