4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

compression

Thread Tools
 
Search this Thread
 
Old Jun 6, 2008 | 06:09 PM
  #1  
timeformiller44's Avatar
timeformiller44
Thread Starter
4th Gear Member
 
Joined: May 2006
Posts: 1,859
From: New York
Default compression

what is the spec for compression on an 01 romeo block
Old Jun 6, 2008 | 06:22 PM
  #2  
lilc1511's Avatar
lilc1511
2nd Gear Member
 
Joined: Mar 2006
Posts: 484
From: mn
Default RE: compression

9:1 as far as i know
Old Jun 6, 2008 | 06:42 PM
  #3  
timeformiller44's Avatar
timeformiller44
Thread Starter
4th Gear Member
 
Joined: May 2006
Posts: 1,859
From: New York
Default RE: compression

i meant compression rating..when u do a compression test
Old Jun 6, 2008 | 06:44 PM
  #4  
oxfordgt's Avatar
oxfordgt
6th Gear Member
 
Joined: May 2006
Posts: 6,448
From: Ohio
Default RE: compression

9.0:1 if its a mid 01 up 8.8:1 if its a mid 01 and older
Old Jun 6, 2008 | 06:45 PM
  #5  
oxfordgt's Avatar
oxfordgt
6th Gear Member
 
Joined: May 2006
Posts: 6,448
From: Ohio
Default RE: compression

190ish
Old Jun 6, 2008 | 06:53 PM
  #6  
timeformiller44's Avatar
timeformiller44
Thread Starter
4th Gear Member
 
Joined: May 2006
Posts: 1,859
From: New York
Default RE: compression

so they should all be around 190ish
Old Jun 6, 2008 | 07:03 PM
  #7  
oxfordgt's Avatar
oxfordgt
6th Gear Member
 
Joined: May 2006
Posts: 6,448
From: Ohio
Default RE: compression

They should all be within 20% of each other. I make 190 in my motor I highly doubt you will see above 170 in yours
Old Jun 6, 2008 | 07:44 PM
  #8  
timeformiller44's Avatar
timeformiller44
Thread Starter
4th Gear Member
 
Joined: May 2006
Posts: 1,859
From: New York
Default RE: compression

so then wtf is my spec then what should i go by...if they are all low how will i know where they should be
Old Jun 7, 2008 | 01:38 AM
  #9  
oxfordgt's Avatar
oxfordgt
6th Gear Member
 
Joined: May 2006
Posts: 6,448
From: Ohio
Default RE: compression

If your highest is 170 then all the rest should be no less then 150. I ment 10% in the last thread, I was typing in the dark.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
baddog671
Archive - Parts For Sale
20
Jul 26, 2016 01:20 PM
uedlose
The Racers Bench
4
Oct 1, 2015 08:31 PM
bconboy
2005-2014 Mustangs
16
Sep 21, 2015 12:52 PM
uberstang1
Classic Mustangs (Tech)
6
Sep 20, 2015 06:42 PM
1st 4 eyed fox
General Tech
2
Aug 24, 2015 06:56 PM




All times are GMT -5. The time now is 04:54 PM.