Quote Originally Posted by Dave Severson View Post
Remove #1 plug, run the cylinder to TDC. Insert a wire to the top of the piston, mark it at the spark plug hole. Run the cylinder to BDC, insert the wire, mark it at the same reference point on the spark plug hole. Measure the distance between the marks.

302- 3.000" stroke
327- 3.250" stroke
350- 2.480" stroke
Dave-might want to correct the typo on the 350 bud.