Posted by Chewie on Thursday, July 10, 2003 at 1:03PM :
In Reply to: 25" six posted by Craig M on Wednesday, July 09, 2003 at 2:18AM :
I've been told that the 25" blocks are the 237, 251, and the 265. Just depends on the bore and stroke.
My 40 VF has a 237.
Hope it helps.