3.905 on ls1 block?
#6
Now if you get the assembly and can find a cheap iron 5.3 block to bore out end drop it in, then you could still take the 5.3 block farther later.
Plus if you stick with your ls1 block make sure the shop that bores your cylinders out has a torque plate.
Plus if you stick with your ls1 block make sure the shop that bores your cylinders out has a torque plate.