Actually, I have a great resource for this kind of question.
http://www.nhra.com/tech_specs/engine/
It will give you the vitals on just about any engine you can think of. Bore, Stroke, displacement, number of cylinders, and more often than not con rod length.
Hope this helps.
Mike
P.S.
Dodge 383
bore 4.250
stroke 3.375
con rod 6.360
Sweeeeet... :)