How Big can you bore out the #12 B&S Animal Block??

[TaterDigger]

how big can the #12 B&S block be bored out before you have to resleev it? was wanting to put the wiseco #94 the guy at JC Spe said was a 2.795...anyone out there that has done this???

 

[Minidragbike]

.200" JE piston is as large as you can go, I believe it's around 2.760" bore.