Keith Craft Inc.- We service what we sell!!! Check out our Cobra engines!!! We build high performance racing engines and components for the fast pace strip racing industry as well as daily drivers who want to be FIRST!!!

FE Forums sponsored by Keith Craft Inc.


Go Back   Club Cobra > Manufacturers, Engine Builders, tools, and parts. > Keith Craft Racing

Welcome to Club Cobra!  The World's largest non biased Shelby Cobra related site!

  •  » Representation from nearly all Cobra/Daytona/GT40 manufacturers
  •  » Help from all over the world for your questions
  •  » Build logs for you and all members
  •  » Blogs
  •  » Image Gallery
  •  » Many thousands of members and nearly 1 million posts! 

YES! I want to register an account for free right now!  p.s.: For registered members this ad will NOT show

Keith Craft Racing
Nevada Classics
MMG Superformance
Main Menu
Nevada Classics
Nevada Classics
MMG Superformance
MMG Superformance
Advertise at CC
Banner Ad Rates
Keith Craft Racing
MMG Superformance
MMG Superformance
MMG Superformance
March 2024
S M T W T F S
          1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31            
  #1 (permalink)  
Old 12-29-2010, 06:40 PM
jetsbaby's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Jun 2007
Cobra Make, Engine:
Posts: 69
Not Ranked     
Default Two piece rear main seal??

I know that you convert the 351W two piece rear main seal to a one piece through a machining process..My question is, what do you do on the 460 stroker engines that you sell that cannot be converted to a one piece..What master engine builder secret if there is any to make the 460 from having a rear main seal leak..I heard of rear main seal crush as not to be more than 020 to .030 total crush..Any more and a leak will develop.. Also I heard that line honing the block and there is even a bigger chance of developing a leak..
Reply With Quote
  #2 (permalink)  
Old 01-06-2011, 05:18 PM
jetsbaby's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Jun 2007
Cobra Make, Engine:
Posts: 69
Not Ranked     
Default

Any help here Keith??
Reply With Quote
  #3 (permalink)  
Old 01-06-2011, 07:41 PM
CC Member
Visit my Photo Gallery

 
Join Date: Mar 2003
Location: Arkadelphia, AR, AR
Cobra Make, Engine: Kirkham 427 brushed aluminum with Keith Craft 527C.I. all aluminum FE
Posts: 992
Not Ranked     
Default 460 rear main seal

The 460 has a similiar problem in that the flange of the crank is to big for a one piece rear main seal. we have even thought about having 460 and FE cranks made with the same rear on them as the small block Ford and then use that rear main seal. This would mean new flywheel bolt pattern as well as flexplates. I lot of trouble to fix the two piece seal short coming. We have not had near as much problem with the 460 rear seal but what we do is put a little silicone on the back side of the seal, turn it where it is up a little on one side and down on the other where it does not line up at the parting lines. We also use a little silicone between the cap and block where they meet. This has worked pretty well for us in most cases. If the block is line honed it will tighten up the area where the rear main seal goes. Hope some of this helps but these are probably what you are already doing.

Thanks, Keith
__________________
Keith C
Reply With Quote
  #4 (permalink)  
Old 01-07-2011, 05:56 AM
coosawjack's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: May 2002
Location: Beaufort, SC
Cobra Make, Engine: Classic Roadsters '66 427 Replica-SOLD
Posts: 299
Not Ranked     
Default

This saved me with my 408W Stroker......cheap insurance!!

http://www.microsleeve.com/csrs.html

No leaks in 8 years!!
Reply With Quote
  #5 (permalink)  
Old 01-07-2011, 11:28 AM
CC Member
Visit my Photo Gallery

 
Join Date: Mar 2003
Location: Arkadelphia, AR, AR
Cobra Make, Engine: Kirkham 427 brushed aluminum with Keith Craft 527C.I. all aluminum FE
Posts: 992
Not Ranked     
Default

You can do this with the small block but they have nothing for the 460 or the FE because the way the back of the crank is, the flange where the flywheel goes will not let one of these slide over the crank.

Thanks, Keith
__________________
Keith C
Reply With Quote
  #6 (permalink)  
Old 01-08-2011, 03:05 AM
coosawjack's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: May 2002
Location: Beaufort, SC
Cobra Make, Engine: Classic Roadsters '66 427 Replica-SOLD
Posts: 299
Not Ranked     
Default

Oh well...I tried!!

Thanks for clearing that up for us Keith!!
Reply With Quote
Reply


Thread Tools
Display Modes Rate This Thread
Rate This Thread:

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 -7. The time now is 04:11 AM.


Powered by vBulletin® Version 3.8.0
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO 3.6.0
The representations expressed are the representations and opinions of the clubcobra.com forum members and do not necessarily reflect the opinions and viewpoints of the site owners, moderators, Shelby American, any other replica manufacturer, Ford Motor Company. This website has been planned and developed by clubcobra.com and its forum members and should not be construed as being endorsed by Ford Motor Company, or Shelby American or any other manufacturer unless expressly noted by that entity. "Cobra" and the Cobra logo are registered trademarks for Ford Motor Co., Inc. clubcobra.com forum members agree not to post any copyrighted material unless the copyrighted material is owned by you. Although we do not and cannot review the messages posted and are not responsible for the content of any of these messages, we reserve the right to delete any message for any reason whatsoever. You remain solely responsible for the content of your messages, and you agree to indemnify and hold us harmless with respect to any claim based upon transmission of your message(s). Thank you for visiting clubcobra.com. For full policy documentation refer to the following link: CC Policy