Jerry (HotRod Lincoln) may know or have some ideas. Personally I would stop at .080" over, but I've heard some people claim they had custom pistons made up to .100" over and had it work. My advice before you start boring over .080" would be to re-sleeve it and go back to stock size. We'll see what others think...

~ Jon
1952 1/2 ton with 1959 235 | T5 with 3.07 rear end