Calculated Industries Hot Rod Calc 8703 User Manual page 56

4. Calculate the new Stroke length:
STROK 3.797 IN

Notice you can also meet your goals by keeping the stock bore,
and going to a longer stroke of 3.797. In terms of cost, it will be
more cost effective to go over bore to reach your goals in this
particular example.
54 — H R C ™
OT OD ALC