sbc heads

[fullspeed383]

hey guys if you have 64 cc heads and you deck the heads .020 what will that make the heads now thanks.

[zipper06]

Impossible to caculate due to the combustion configuration, but there is a calc. to see how much compression would change.
Example; if you had 12.5 CR and wanted to get 13.5 CR with a 3.75 crank, it would take .022 removed from the head.
Calc. listed below.

Zip.

http://www.wallaceracing.com/millcalc.php

[fullspeed383]

thanks zip that's what i needed.