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 > Engine Building, Tuning, and Induction > FE TALK

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

MMG Superformance
Nevada Classics
Keith Craft Racing
Main Menu
Nevada Classics
Nevada Classics
Keith Craft Racing
Advertise at CC
Banner Ad Rates
Keith Craft Racing
Keith Craft Racing
Keith Craft Racing
MMG Superformance
September 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          

Kirkham Motorsports

Reply
 
LinkBack Thread Tools Rate Thread Display Modes
  #1 (permalink)  
Old 08-25-2006, 05:52 PM
CC Member
Visit my Photo Gallery

 
Join Date: May 2001
Location: Etiwanda, CA
Cobra Make, Engine: Lonestar / 408W Stroker
Posts: 43
Not Ranked     
Default 1963 427 Ford Cracked block, Can it be saved?

I have a 1963 Ford 427 motor. I am getting ready to rebuild the motor and we found a 4" crack at the right rear freeze plug, it gets worse some won bored the block 60 over, is it time to buy a reproduction block?
__________________
HMIHNTR

Lone Star LSC427, Speed-o-Motive 408 Stroker
2005 Ford SD 6.0 Harley Davidson /Super Chip 425 HP
1975 24' Campbell V-Drive / 1963 427 Ford
2000 Prowler 32' 5th wheel
And the Harley pulls them both to Lake Havasu
Reply With Quote
  #2 (permalink)  
Old 08-25-2006, 06:22 PM
undy's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Jul 2005
Location: Virginia Beach, Va & Port Charlotte, Fl.,
Posts: 2,283
Not Ranked     
Default

I'd quit while you're ahead with the block. It's time for a Pond or Genesis. With an 0.060" overbore you've got to have v-e-r-y thin cylinder walls. If you're really intent on saving it I wouldn't spend one dime till I had it sonic checked.

Dave
__________________
Too many toys?? never!
Reply With Quote
  #3 (permalink)  
Old 08-25-2006, 07:00 PM
flwolfman's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Jul 2005
Location: Hudson,, FL
Cobra Make, Engine: None at moment
Posts: 147
Not Ranked     
Default

Or have block welded and sleeved. Up to you, or time for a new one. Good luck, Jim
Reply With Quote
  #4 (permalink)  
Old 08-25-2006, 08:31 PM
CC Member
Visit my Photo Gallery

 
Join Date: Feb 2006
Cobra Make, Engine:
Posts: 283
Not Ranked     
Default

Try this link...

And this: http://www.locknstitch.com/
Reply With Quote
  #5 (permalink)  
Old 08-25-2006, 09:19 PM
SCOBRAC's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Jan 2002
Location: Northern California, CA
Cobra Make, Engine: -Sold- Contemporary 427S/C # CCX-3152 1966 427 Med Rise Side Oiler, 8v 3.54:1 Salisbury IRS, Koni's.. (Now I'm riding Harleys)
Posts: 2,567
Not Ranked     
Default

got a boat??
__________________
michael

A man that is young in years, may be old in hours, if he have lost no time. But that happeneth rarely. Generally, youth is like the first cogitations, not so wise as the second. For there is a youth in thoughts, as well as in ages... Sir Francis Bacon (1561-1626)
Reply With Quote
  #6 (permalink)  
Old 08-26-2006, 04:18 AM
CC Member
Visit my Photo Gallery

 
Join Date: May 2001
Location: Etiwanda, CA
Cobra Make, Engine: Lonestar / 408W Stroker
Posts: 43
Not Ranked     
Default Cracked block

Michael,

The motor came out of my Boat, I have a 408 W stroker in my Cobra.
__________________
HMIHNTR

Lone Star LSC427, Speed-o-Motive 408 Stroker
2005 Ford SD 6.0 Harley Davidson /Super Chip 425 HP
1975 24' Campbell V-Drive / 1963 427 Ford
2000 Prowler 32' 5th wheel
And the Harley pulls them both to Lake Havasu
Reply With Quote
  #7 (permalink)  
Old 08-26-2006, 11:08 AM
undy's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Jul 2005
Location: Virginia Beach, Va & Port Charlotte, Fl.,
Posts: 2,283
Not Ranked     
Default

Quote:
Originally Posted by Rpollard
Michael,

The motor came out of my Boat, I have a 408 W stroker in my Cobra.

The FE looks soooo at home in the LSC!
__________________
Too many toys?? never!
Reply With Quote
  #8 (permalink)  
Old 08-28-2006, 10:27 AM
Clois Harlan's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Dec 2000
Location: Broken Arrow. OK ( South Tulsa), USA, OK
Cobra Make, Engine: 66 COBRA FE 427 /4SP. (HCS Coupe w/ 408 Stroker and TKO 600 -sold)
Posts: 5,595
Send a message via AIM to Clois Harlan
Not Ranked     
Default

Roy,

I had a 428 CJ that I had bored to .060 and given all the clearances being correct it was extremely nerve racking to get stuck at a long stop light for fear of over heating. Many people sleve these things and never have a problem, but I would be uneasy doing that. A .030 over bore is not problem and works great even at long stop lights. Ultimately it is your decision but if it were me.....



Clois
__________________
Sunshine, Asphalt and no stop signs...Perfect

"Let's roll"

"Be part of Something Good
......Leave Something Good Behind!"
from CD "Long Road Out of Eden"
Reply With Quote
  #9 (permalink)  
Old 09-01-2006, 11:50 AM
FFR428's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Oct 2002
Location: Fairfield, CT
Cobra Make, Engine: HM-2027 / 427 SO
Posts: 815
Not Ranked     
Default

FWIW some of the early 427 blocks like yours can be overbored .060 and live a happy life. I'd have it sonic mapped and see then what your dealing with. The crack can be fixed. Sometimes if they is one freeze crack there are others. You can mag the block to see how bad it is. Is the .060 bore fresh or was it run like that? What's the condition of the bores now? Taper, scratches etc...? Sorry for such a late response here.

G
Reply With Quote
  #10 (permalink)  
Old 09-01-2006, 01:12 PM
CC Member
Visit my Photo Gallery

 
Join Date: May 2001
Location: Etiwanda, CA
Cobra Make, Engine: Lonestar / 408W Stroker
Posts: 43
Not Ranked     
Cool Cracked Block

We pulled the motor in May to rebuild the heads. it only had 130 / 170 compression and wouldn't idle right and was running on 7 cylinders. I got the heads off the cylinders appeared to be ok, they still had hone marks in them and no ring ledge. After rebuilding heads and putting in the water at Havasu it run very strong, then started smoked to like crazy. So pull it again sent it to Speed o Motive in West Covina, CA (They built the motor in my Cobra 408W) had it maged, that when we found the crack. They said it wasn't bored straight? Come to find out the block was bored .60 over but the piston were only .30 over. I have been told some marine engine are set up that way so they can run at high RPMs?
I think I'm going put the block on eBay and buy a new Genisis block and be done with it. The motor is a matching # 1963 427 Center oilier built by Clay Smith Racing back in the 70's.

Thanks for all your input.
__________________
HMIHNTR

Lone Star LSC427, Speed-o-Motive 408 Stroker
2005 Ford SD 6.0 Harley Davidson /Super Chip 425 HP
1975 24' Campbell V-Drive / 1963 427 Ford
2000 Prowler 32' 5th wheel
And the Harley pulls them both to Lake Havasu
Reply With Quote
Reply



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 03:54 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