Results 1 to 2 of 2

5.3L VS. LS1 Heads?

This is a discussion on 5.3L VS. LS1 Heads? within the Internal Engine forums, part of the LSx Technical Help Section category; Hey was wonderin what the difference between the 5.3L heads and the LS1 Heads and is there an increase in ...

  1. #1
    Senior Member OnEbAdReDSS's Avatar
    Join Date
    Apr 2006
    Location
    Puyallup
    Age
    30
    Posts
    1,416

    Red
    2000 Camaro SS # 5,876

    5.3L VS. LS1 Heads?

    Hey was wonderin what the difference between the 5.3L heads and the LS1 Heads and is there an increase in hp if switched out??

  2. #2
    Veteran 0rion's Avatar
    Join Date
    Aug 2005
    Location
    ohio
    Posts
    22,520

    98 Formula
    06 duramax

    5.3 L heads have a smaller chamber (61cc vs 67cc) and will up the compression to 10.75:1 The stock 5.3 valves are smaller than the LS1 valves so a valve job is a must.

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. Replies: 0
    Last Post: 03-16-2011, 10:30 AM
  2. Replies: 0
    Last Post: 02-04-2011, 03:00 PM
  3. AFR heads VS. Ported and beefed up stock heads.
    By hutcher04 in forum Internal Engine
    Replies: 10
    Last Post: 03-14-2010, 09:27 AM
  4. New Heads or Port/Polish Stock Heads?
    By Black02LS1 in forum Internal Engine
    Replies: 32
    Last Post: 06-23-2007, 12:29 AM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •