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Crack block dang gone it ! #1344675
12/01/12 09:14 PM
12/01/12 09:14 PM
Joined: Nov 2003
Posts: 7,348
Mt.Vernon ,Ohio
VernMotor Offline OP
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Well I was going to use this Block. it had real good sonic check numbers..put it on the stand and was check it out. this is what I found !


Re: Crack block dang gone it ! [Re: VernMotor] #1344676
12/01/12 09:19 PM
12/01/12 09:19 PM
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Posts: 1,845
Tampa
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DusterDave Offline
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Tampa
Look at it this way. Better to find it now, before you sank hundreds of dollars of machining work into it, only to find the crack afterwards.


Gone to the dark side with an LS3 powered '57 Chevy 210
Re: Crack block dang gone it ! [Re: DusterDave] #1344677
12/01/12 09:20 PM
12/01/12 09:20 PM
Joined: Jan 2003
Posts: 1,412
Johnstown
69dart Offline
pro stock
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Johnstown
Wow - good eye!


33 Plymouth Roadster - 383 - 5.90 1/8th 9.58 1/4
68 Dart - 340
66 Belvedere - 400

Windy Hollow Garage - https://www.youtube.com/@windyhollowgarage
Re: Crack block dang gone it ! [Re: 69dart] #1344678
12/01/12 09:49 PM
12/01/12 09:49 PM
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366 Offline
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Mt. Vernon, Ohio
I wouldn't discount that one just yet, that can be repaired.


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: Crack block dang gone it ! [Re: dartman366] #1344679
12/01/12 09:52 PM
12/01/12 09:52 PM
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Posts: 4,002
Joplin, Mo
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rt66jim Offline
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Joplin, Mo
Water glass?

Re: Crack block dang gone it ! [Re: DusterDave] #1344680
12/01/12 10:08 PM
12/01/12 10:08 PM
Joined: Sep 2006
Posts: 1,442
central ohio
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nss guy Online happy
pro stock
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central ohio
double check the area around the main cap webbing also

another weak spot for stock blocks

Re: Crack block dang gone it ! [Re: nss guy] #1344681
12/01/12 10:11 PM
12/01/12 10:11 PM
Joined: Nov 2003
Posts: 7,348
Mt.Vernon ,Ohio
VernMotor Offline OP
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Bill that is the one we was looking at the numbers we liked

Jim it is a std bore stock motor never been in a race car. But I look at it..

Re: Crack block dang gone it ! [Re: VernMotor] #1344682
12/01/12 11:09 PM
12/01/12 11:09 PM
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366 Offline
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Mt. Vernon, Ohio
Quote:

Bill that is the one we was looking at the numbers we liked

Jim it is a std bore stock motor never been in a race car. But I look at it..


I think the other one is equally as good.


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: Crack block dang gone it ! [Re: dartman366] #1344683
12/01/12 11:15 PM
12/01/12 11:15 PM
Joined: Feb 2005
Posts: 20,174
PA.
pittsburghracer Offline
"Little"John
pittsburghracer  Offline
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PA.
I'll take it off your hands.


1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time




Re: Crack block dang gone it ! [Re: VernMotor] #1344684
12/01/12 11:18 PM
12/01/12 11:18 PM
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Ambridge, Pa.
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rickraw Offline
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why not buy a new block? why start with a 40+ old foundation.

Re: Crack block dang gone it ! [Re: rickraw] #1344685
12/02/12 12:03 AM
12/02/12 12:03 AM
Joined: Nov 2003
Posts: 7,348
Mt.Vernon ,Ohio
VernMotor Offline OP
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Quote:

why not buy a new block? why start with a 40+ old foundation.




If I had your money I would do that ! LOL

Re: Crack block dang gone it ! [Re: pittsburghracer] #1344686
12/02/12 12:05 AM
12/02/12 12:05 AM
Joined: Nov 2003
Posts: 7,348
Mt.Vernon ,Ohio
VernMotor Offline OP
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Quote:

I'll take it off your hands.




John I got 70 bucks in it. come pay me and take it away.

Re: Crack block dang gone it ! [Re: VernMotor] #1344687
12/02/12 12:05 AM
12/02/12 12:05 AM
Joined: Jun 2007
Posts: 2,646
Plymouth Meeting, PA
bigtimeauto Offline
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weld it up. its outside


BB, TT5,Procharged 3300lb Street Car 4.79/154
Re: Crack block dang gone it ! [Re: bigtimeauto] #1344688
12/02/12 12:16 AM
12/02/12 12:16 AM
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Posts: 1,089
st.cloud fl
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d-150 Offline
Smarter than a 5th grader?
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weld repair and run it, specially since it checked out on the cylinders

Re: Crack block dang gone it ! [Re: bigtimeauto] #1344689
12/02/12 12:17 AM
12/02/12 12:17 AM
Joined: Feb 2005
Posts: 20,174
PA.
pittsburghracer Offline
"Little"John
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PA.
Quote:

weld it up. its outside





That's so easy to fix it isn't funny.


1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time




Re: Crack block dang gone it ! [Re: VernMotor] #1344690
12/02/12 12:20 AM
12/02/12 12:20 AM
Joined: Aug 2003
Posts: 43,172
Bend,OR USA
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Cab_Burge Offline
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Quote:

Quote:

I'll take it off your hands.




John I got 70 bucks in it. come pay me and take it away.


I would put the freeze plugs into it and then pressure check it I've seen casting flaws that looked like that, no leaks. I have also seen casting flaws that did leak Most cracks don't go in circles


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Crack block dang gone it ! [Re: pittsburghracer] #1344691
12/02/12 12:22 AM
12/02/12 12:22 AM
Joined: Nov 2003
Posts: 7,348
Mt.Vernon ,Ohio
VernMotor Offline OP
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Mt.Vernon ,Ohio
Well I am not sure I know anyone who I would trust to weld cast. and who is to say that it is not crack more inside ? maybe I will take it back up and have it magaflux . make sure there is no other cracks.

Re: Crack block dang gone it ! [Re: pittsburghracer] #1344692
12/02/12 12:23 AM
12/02/12 12:23 AM
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Pa
Hot 340 Offline
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Quote:

Quote:

weld it up. its outside





That's so easy to fix it isn't funny.


Investigate further

Re: Crack block dang gone it ! [Re: Hot 340] #1344693
12/02/12 12:41 AM
12/02/12 12:41 AM
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Posts: 2,646
Plymouth Meeting, PA
bigtimeauto Offline
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I have welded a few blocks on the outside, even new ones. we put them in the mill to lighten them up and sometimes you go thru! just weld them up and keep going.


BB, TT5,Procharged 3300lb Street Car 4.79/154
Re: Crack block dang gone it ! [Re: VernMotor] #1344694
12/02/12 12:51 AM
12/02/12 12:51 AM
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Posts: 6,591
Canton, Ohio
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Sport440 Offline
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Canton, Ohio
Quote:

Well I am not sure I know anyone who I would trust to weld cast. and who is to say that it is not crack more inside ? maybe I will take it back up and have it magaflux . make sure there is no other cracks.





That looks like a frozen block crack. If thats the only crack it can be welded rather easy. But, Id be looking for other cracks as well. another weak spot is in the intake vally. Check closely in there as well. If the block was full of water and freezes it cracks pretty easy in there.

The crack or damage you show now could of been just residual water that didnt drain out of that area and may be the blocks only damage. If so, like others have said , easy fix. I can weld it for you.

Question for you. You stated on another post that you were testing several blocks, like 7 or so, I think. Were any of those blocks .040 over? If so Id be interested in one.

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