As I seem to recall, John's "261" is bored a little bit oversize, so it's probably a bit closer to 270 than the original engine would have been. A 261 bored 60 over is 269 and a fraction cubic inches.

Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!