Originally Posted By B1MAXX
When measuring actual down fill you cannot factor the deck height into the equation...

assume you have 4.00 bore, no valve pocket, no dish or dome for simplicity sake.

2x2x3.14=12.56x.500=6.28x16.387=102.9cc down fill.

we measure at .500 and get 110cc

110-102.9=7.1 cc extra vol. this mean/shows the piston is below deck .035 (2x2x3.14x.035=7.2cc)


believe me its in there. a number less than 102.9cc when actually measured would be would be above deck.

Last edited by B1MAXX; 04/22/17 04:41 PM.