Do stroker motors tend to have more torque?
Don't know why I think that, probably read it somewhere. 
This is an interesting question that I actually had to think about before posting.
Ordinarily the answer would be absolutely.
However, traditionally the smaller cubes run at much higher crankshaft speeds. Which as I have been harping for years, does you no good at all.
The cubic inch gain does way more for you in this case than does the stroke change. It all comes down to volumetric efficiency and piston speed.
I don't doubt the torque will increase, but not in the terms the automotive guys will term it.
You can make more peak hp with more cubes, which comes from the added torque.
The reason I say this is because if you had two engines with the same displacement but one had a longer stroke, the torque difference on the top end would be very similar if built the same. That being said, the longer stroke engine could build more mid range grunt and likely take advantage of doing the same work at a lower rpm.
This is where the stroke increase can shine like a new penny.
I know what you are going to say. If the rpm is lower at the same hp, the torque had to be higher. You are right, but you would be at a lower hp. So the math equals out.
Ever play with virtual dyno?
Pretty crazy.
Have fun. I always vote to build just a little bit more than you think you can afford. It has always worked for us.
If everybody built what they thought they could afford, there would be a lot more small block jets out there.
GT
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Edit. I have no idea what the hell I said earlier, but I fixed it. Never post before the second cup of Joe. ... hahaha...