The Ford Barn

V848 Ford · 10-04-2016, 12:50 AM

After fighting to get this block apart and sandblasted and when I magnafluxed it I found a crack in the inlet port in the valve chamber I don't know if it will leak when hot or if it can be fixed whithout welding or not any ideas I don't want to scrap this after work ?

Mike V. Florida · 10-04-2016, 01:34 AM

Stitching.

tbirdtbird · 10-04-2016, 03:34 AM

A or B

that will make all the difference

C26Pinelake · 10-04-2016, 04:43 AM

I had an A block stitched 5 years ago and I have never had a problem. Wayne

100IH · 10-04-2016, 11:17 AM

Access is everything when stitching a crack. Drilling, tapping inserting. Afterwards, pressure testing and hot Ceramic Seal treatment from Irontite is your insurance if you can find someone with the setup to do it. Step one: let the shop that is locally recommended, view the crack and see what they say. The second option would be furnace welding/brazing and is very much a specialty, not usually available locally. The chosen auto machine shop who says it can't be stitched might know where there is a casting repair facility for the weld job. After a welding repair, the pressure testing is still a must do. Sometimes things do escalate into rocket science. Also, if it comes to casting repair in the oven overnight, the babbitt will be removed.

V848 Ford · 10-04-2016, 12:46 PM

Sponsored Links (Register now to hide all advertisements)

It''s a 1929 model A block.

TinCup · 10-04-2016, 01:45 PM

Check out Tod Buttermore's new cast block might be the best solution.

BILL WILLIAMSON · 10-04-2016, 03:46 PM

Don't trust a CRACKED block, except for a boat ANCHOR!
Captain Bill W.

J and M Machine · 10-05-2016, 08:34 AM

Quote:

Originally Posted by V848 Ford

After fighting to get this block apart and sandblasted and when I magnafluxed it I found a crack in the inlet port in the valve chamber I don't know if it will leak when hot or if it can be fixed whithout welding or not any ideas I don't want to scrap this after work ?

We successfully repair engines by metal stitching. Those who say it can't be done have never seen it done.
it is a stress free/permanent way of doing crack repair rather than welding or JB weld.
Dealing with engines from the Northeast and around the world, almost every engine has some form of crack repairs needed to make it whole again.

I have enclosed a few pictures showing examples.
http://www.jandm-machine.com/metalStitching.html

Glenn C. · 10-05-2016, 12:56 PM

If you cannot find a perfect replacement block......metal locking is the way to go. I have seen very large stationary engine blocks and other components, that required stitching and metal locking before the various factory machining procedures commenced.

10-04-2016, 12:50 AM	#1
V848 Ford Member Join Date: Jul 2010 Posts: 99	crack in block After fighting to get this block apart and sandblasted and when I magnafluxed it I found a crack in the inlet port in the valve chamber I don't know if it will leak when hot or if it can be fixed whithout welding or not any ideas I don't want to scrap this after work ?

10-04-2016, 01:34 AM	#2
Mike V. Florida Senior Member Join Date: May 2010 Location: South Florida Posts: 14,054	Re: crack in block Stitching. __________________ What's right about America is that although we have a mess of problems, we have great capacity - intellect and resources - to do some thing about them. - Henry Ford II

10-04-2016, 03:34 AM	#3
tbirdtbird BANNED Join Date: May 2012 Location: inside your RAM Posts: 3,134	Re: crack in block A or B that will make all the difference __________________ '31 180A

10-04-2016, 04:43 AM	#4
C26Pinelake BANNED Join Date: May 2010 Location: Michigan / Ontario border, Sarnia, Ontario. 50 miles from Detroit and 150 from Toronto. Posts: 5,800	Re: crack in block I had an A block stitched 5 years ago and I have never had a problem. Wayne

10-04-2016, 11:17 AM	#5
100IH Senior Member Join Date: Dec 2011 Location: SW Idaho Posts: 970	Re: crack in block Access is everything when stitching a crack. Drilling, tapping inserting. Afterwards, pressure testing and hot Ceramic Seal treatment from Irontite is your insurance if you can find someone with the setup to do it. Step one: let the shop that is locally recommended, view the crack and see what they say. The second option would be furnace welding/brazing and is very much a specialty, not usually available locally. The chosen auto machine shop who says it can't be stitched might know where there is a casting repair facility for the weld job. After a welding repair, the pressure testing is still a must do. Sometimes things do escalate into rocket science. Also, if it comes to casting repair in the oven overnight, the babbitt will be removed.

10-04-2016, 12:46 PM	#6
V848 Ford Member Join Date: Jul 2010 Posts: 99	Re: crack in block Sponsored Links (Register now to hide all advertisements) It''s a 1929 model A block.

10-04-2016, 01:45 PM	#7
TinCup Senior Member Join Date: May 2010 Location: OKC / Tonkawa, Ok. Posts: 1,977	Re: crack in block Check out Tod Buttermore's new cast block might be the best solution. __________________ Oklahoma City Model A Restorers Group.

10-04-2016, 03:46 PM	#8
BILL WILLIAMSON Senior Member Join Date: Dec 2010 Location: FRESNO, CA Posts: 12,560	Re: crack in block Don't trust a CRACKED block, except for a boat ANCHOR! Captain Bill W. __________________ "THE ASSISTANT GURU OF STUFF"

10-05-2016, 12:56 PM	#10
Glenn C. Senior Member Join Date: May 2010 Location: Didsbury Alberta Posts: 838	Re: crack in block If you cannot find a perfect replacement block......metal locking is the way to go. I have seen very large stationary engine blocks and other components, that required stitching and metal locking before the various factory machining procedures commenced.