I was reading a book about LS1/LS6 and they mentioned a 4.08 bore with a 3.662 stroker crank.

Well this seems to fit the LS3 better as this looks like a +.015 overbore and a slightly longer crank does anyone make this forged crank?

What LS3 strokers are popular and readily available?

 

a ls3 is a 378 so you could bore it .030 over to make a 383. I wouldnt crack open the bottom end unless I was going 416 plus cubes imo

 

A stock cubed LS3 = 376 ci...