quick engine question

[Sanger80]

what is a 454 60 over? is it a 468 or 496? :idea:

[Moneypitt]

4.0 stroke 4.310 bore(454 +.060) = 468 (496 uses an additional .25 stroke) 4.25 stroke 4.310 bore=496
bore x bore x .7854 x stroke x #of cylinders= Cu In.

[Sanger80]

thanks for the info mp ;)