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-   -   454 bbc ci? (https://www.racingjunk.com/forums/showthread.php?t=26015)

bakerboys 10-13-2009 06:18 AM

454 bbc ci?
 
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


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