Like Tree0Likes

New Engines: 557 or 572

Reply
Old 10-17-2006, 10:39 PM
  #51
Registered
 
mikes280's Avatar
 
Join Date: Feb 2001
Location: charlotte nc.
My Boats: velocity/proline
Posts: 1,846
Default Re: New Engines: 557 or 572

the cometic and the new fel-pro are great and for me they have just about done away with headgasket problems
mikes280 is offline  
Reply With Quote
Old 10-17-2006, 10:40 PM
  #52
Registered
 
JCPERF's Avatar
 
Join Date: Jul 2004
Location: Long Island,New York
My Boats: 10 foot Kayak
Posts: 8,908
Default Re: New Engines: 557 or 572

Quote:
Originally Posted by 42MTI
I heard that the cometic gaskets have eliminated most head gasket issues.
What RPM's are most builders comfortable with on a 4.5 stroke 1000+ hp motor. For sustained length runs.
6300 to 6500 with real roller lifters
JCPERF is offline  
Reply With Quote
Old 10-17-2006, 10:41 PM
  #53
Registered
 
mikes280's Avatar
 
Join Date: Feb 2001
Location: charlotte nc.
My Boats: velocity/proline
Posts: 1,846
Default Re: New Engines: 557 or 572

Quote:
Originally Posted by JCPERF
6300 to 6500 with real roller lifters
solid
mikes280 is offline  
Reply With Quote
Old 10-17-2006, 10:42 PM
  #54
Registered
 
JCPERF's Avatar
 
Join Date: Jul 2004
Location: Long Island,New York
My Boats: 10 foot Kayak
Posts: 8,908
Default Re: New Engines: 557 or 572

Quote:
Originally Posted by mikes280
solid
904 or bigger
JCPERF is offline  
Reply With Quote
Old 10-17-2006, 10:43 PM
  #55
Registered
 
mikes280's Avatar
 
Join Date: Feb 2001
Location: charlotte nc.
My Boats: velocity/proline
Posts: 1,846
Default Re: New Engines: 557 or 572

Quote:
Originally Posted by JCPERF
904 or bigger
yep
mikes280 is offline  
Reply With Quote
Old 10-17-2006, 10:43 PM
  #56
GPM
Registered
 
Join Date: Mar 2004
Location: Pa
My Boats: DCB
Posts: 2,156
Default Re: New Engines: 557 or 572

Quote:
Originally Posted by mikes280
the cometic and the new fel-pro are great and for me they have just about done away with headgasket problems
I must be doing something wrong, head gaskets have been a nightmare for me.
GPM is offline  
Reply With Quote
Old 10-17-2006, 10:46 PM
  #57
Registered
 
mikes280's Avatar
 
Join Date: Feb 2001
Location: charlotte nc.
My Boats: velocity/proline
Posts: 1,846
Default Re: New Engines: 557 or 572

Quote:
Originally Posted by GPM
I must be doing something wrong, head gaskets have been a nightmare for me.
studs or bolts also head gasket problems can be the result of other problems, tune or weak deck or weak head
mikes280 is offline  
Reply With Quote
Old 10-17-2006, 10:49 PM
  #58
A to Z
Platinum Member
 
Sean H's Avatar
 
Join Date: Apr 2004
Location: KC/LOTO
Posts: 9,156
Default Re: New Engines: 557 or 572

Quote:
Originally Posted by 3600cat
Out of one of my 598's.Just a small leak in a header is a real bad thing.
i think i saw a block that matched those in your shop...
Sean H is offline  
Reply With Quote
Old 10-17-2006, 10:53 PM
  #59
GPM
Registered
 
Join Date: Mar 2004
Location: Pa
My Boats: DCB
Posts: 2,156
Default Re: New Engines: 557 or 572

Quote:
Originally Posted by mikes280
studs or bolts also head gasket problems can be the result of other problems, tune or weak deck or weak head
Big M, ARP pro studs, Big Duke heads, dark plugs,
GPM is offline  
Reply With Quote
Old 10-17-2006, 10:59 PM
  #60
Registered
 
mikes280's Avatar
 
Join Date: Feb 2001
Location: charlotte nc.
My Boats: velocity/proline
Posts: 1,846
Default Re: New Engines: 557 or 572

Quote:
Originally Posted by GPM
Big M, ARP pro studs, Big Duke heads, dark plugs,
what kind of headgaskets and how much timing
mikes280 is offline  
Reply With Quote
Reply

Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
dkwestern
General Boating Discussion
9
10-26-2008 03:18 PM
Goin Nuts
General Q & A
13
04-16-2007 11:29 AM
38flatdeck
General Q & A
19
04-30-2006 07:38 AM
Ratchet
General Q & A
54
08-13-2004 12:38 AM
later
General Q & A
1
04-28-2003 12:02 PM



Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -5. The time now is 06:55 PM.


Copyright 2011 OffShoreOnly. All rights reserved.