View Full Version : 5.3 ls

01-13-2013, 06:25 PM
5.3 out of a 01 chevy 1500
gonna run an ms3 cam 237/242 .603"/.609" 112lsa
can i mill the heads down .030 for more compression without having to fly cut the pistons
-thanks logan

02-14-2013, 05:14 PM
a buddy has a 02 5.3 in a 68 nova.and has the 243 heads plained .030 used a .040 gasket his motor is 9.9cr.very simular cam but bought cam and pushrods as set allways check before assembly.

05-24-2013, 07:25 AM

The 6.0 I put together has a .612 lift cam with no head milling, and I had alot of room to play with yet but always check the clearance... Ryan