GM Engine & Exhaust Performance EFI | GEN I/GEN II/GEN III/GEN IV Engines |Small Block | Big Block |

Head Porting tips???

Thread Tools
 
Search this Thread
 
Old Jul 6, 2005 | 02:08 PM
  #11  
white1's Avatar
12 Second Truck Club
iTrader: (5)
 
Joined: Apr 2005
Posts: 5,230
Likes: 5
From: Sittin on jackstands
Default

How much cr gain should I see using stock 5.3 heads that are milled .020?
Thats what they are milled isn't it Todd?
Reply
Old Jul 6, 2005 | 02:16 PM
  #12  
BigKID's Avatar
TECH Veteran
20 Year Member
Liked
iTrader: (5)
 
Joined: Dec 2001
Posts: 4,944
Likes: 237
From: Panama City, Fl
Default

9.97:1 if you are using a .054" graphite gasket.
Reply
Old Jul 6, 2005 | 02:28 PM
  #13  
12sec.5.3's Avatar
Thread Starter
TECH Fanatic
iTrader: (1)
 
Joined: Feb 2004
Posts: 1,161
Likes: 0
From: Pierre Part, LA
Default

Matt- Correct. you can say ~10.1.
BK- .054 is the thickness of a stock GM head gasket? What other head gasket can I get? Does Autozone, O'Reily, or Advanced auto carry them?
Reply
Old Jul 6, 2005 | 03:12 PM
  #14  
BigKID's Avatar
TECH Veteran
20 Year Member
Liked
iTrader: (5)
 
Joined: Dec 2001
Posts: 4,944
Likes: 237
From: Panama City, Fl
Default

Stock graphite gaskets are .054 compressed thickness.
Stock MLS gaskets are .060 compressed thickness. I believe this is the only stock option for the 6.0.

I am not exactly sure what the Felpros are but I think they are .054 as well.
Reply
Old Jul 6, 2005 | 08:57 PM
  #15  
99Silver6.0's Avatar
TECH Veteran
iTrader: (1)
 
Joined: May 2002
Posts: 4,039
Likes: 1
From: Olathe, Kansas
Default

Felpro 1041's compress to .041.
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Stainless Works
THE TRUCK STOP
1
Nov 20, 2015 08:55 AM
greedygenius
Trucks and SUV Classifieds
11
Sep 3, 2015 06:51 AM
bbowerman
GM Engine & Exhaust Performance
10
Jul 26, 2015 10:57 PM
jmarkway
GM Parts Classifieds
2
Jul 18, 2015 09:23 PM
4B11T
INTERNAL ENGINE MODIFICATIONS
2
Jul 13, 2015 03:48 PM




All times are GMT -5. The time now is 10:34 AM.