5.3 heads?
I can shift faster than you.
iTrader: (21)
Joined: Nov 2001
Posts: 5,133
Likes: 0
From: Baton Rouge, LA
Re: 5.3 heads? 5.3l heads have a smaller combustion chamber volume from the start. This helps when you are shooting for over 11.0:1 compression. You can get there with the 5.7l heads, but it requires a ton of milling on the heads.
