ORIGINAL: Nitroaddict
A short stroke engine is a higher revving engine. The longer the stroke, the more Oomph it has through rotating mass, thus creating more torque. I can be wrong on this, if someone has some facts otherwise, please share. This is something I am not 100% clear on, and could use clarification.
I have to go with Billyman here.
I can compare a normal 350, (350 crank, 350 block) and a 377 (350 crank in a 400 block) and the 377 makes a bit more torque than the standard 350 but also revs higher and makes more HP. Nitro, a large portion of what you say is also true. If you take a 400 crank and put it in a 350 block you get a 383. When comapred, the 377 and 383 have MUCH different characteristics. The 383's are great stump-pulling truck candidates while the 377 would be the choice for [drag] racing in a car. When you look at their characteristics on a dyno the 383 hits its torque peak consistently markedly ahead of the 377, with all items equal (heads, cam, intake, carb, ignition etc.) but this in between would be not what you would seek for either. The 383 would get more items that focus on torque (smaller intake runners, medium to low rise intake, maybe 1 3/4" headers vs. 1 7/8" and larger intake runners with hi-rise intake for the 377). So yes, in this drastic example (relatively long stoke, small bore - relatively short stroke, big bore) but any increase in displacement = more real torque.