Posted by dave horvath [12.130.9.139] on Wednesday, October 17, 2012 at 12:05:07 :
In Reply to: Re: 265motor posted by deaninbishop [207.200.116.137] on Tuesday, October 16, 2012 at 18:22:25 :
Stroke on the 251 is 4 1/2 inches
Stroke on the 265 is 4 3/4 inches
You should be able to insert a wooden dowel into the cylinder bore via the spark plug hole and carefully rotate the engine. The difference between the lowest(BDC) and highest position (TDC) will be the stroke length.