I would deck the heads before touching the block. A stock l33 piston is gunna stick out of the hole around 0.006. If you knock off 0.020 that only leaves you with .0.025 between the piston and head with a 0.051 gasket.
I would deck the heads before touching the block. A stock l33 piston is gunna stick out of the hole around 0.006. If you knock off 0.020 that only leaves you with .0.025 between the piston and head with a 0.051 gasket.