429 crank ID
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Laughing Gas
Joined: Jul 2001
Posts: 849
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From: Fayetteville, NC
429 crank ID
Ok...I have a perplexed situation here. I was out in the garage looking and identifying the parts to my 429. The connecting rods are D0OE, the block is D1VE but when I was reading about the crankshaft and how to ID it this is what it said: "All 429/460 cast iron crankshafts have a '4U' or '4UA' identifier stamped in the couterweight as shown. Cobra Jet and Super Cobra Jet cranks were Brinell tested and are marked as such. be cautious of the fakes which have a bogus Brinell-test mark." Ok, now...my questions are....What is a Brinell-test mark and what does it look like. Secondly...I found the ID mark on my crank but it reads "4UAB" not "4U" or "4UA" like the book said. What does the "B" stand for? Is this the Brinell-test mark they were talking about??? I'm confused now as to what this crankshaft really is 
Is it a plain 429 crank or a CJ version or is this a hybrid of sorts???? Any info would be GREATLY appreciated.
1978 F-150 flareside. Primitive by todays standards but she was a jaw dropper back then. :-staun
Is it a plain 429 crank or a CJ version or is this a hybrid of sorts???? Any info would be GREATLY appreciated. 1978 F-150 flareside. Primitive by todays standards but she was a jaw dropper back then. :-staun
New User
Joined: Jan 2008
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Likes: 24
429 crank ID
The rods are the same.
the top of the rod bolts are different.
CJ/SCJ bolts heads are Football shaped.
Don't worry about the U-AB .
The AB is a change-up number.
Dennis
[font color =red]Calgary,Alberta,Canada [/font]
http://www.clubfte.com/users/mil1ion/Minimorleytruck.JPG
[font color =green]http://www.clubfte.com/users/mil1ion/index.html[/font]
[font color =green]http://community.webshots.com/user/mil1ion[/font]
[font color =green] Please Don't Ask Me Any Tough Questions,
"I'm Saving My Memory For When I Develop Alzheimer's" [/font]
[font color=blue]78 F-150 429CJ,Silver,Explorer Pkg.
641/2-Mustang 260,Pre-World's Fair Car.
64-Fairlane500 S/C waiting for a 390-4spd.
68-Mustang 289-Sunlit Gold 80,892Mi
78-Buick LeSabre 403 4V
84 Volvo DL Wagon [/font]
the top of the rod bolts are different.
CJ/SCJ bolts heads are Football shaped.
Don't worry about the U-AB .
The AB is a change-up number.
Dennis
[font color =red]Calgary,Alberta,Canada [/font]
http://www.clubfte.com/users/mil1ion/Minimorleytruck.JPG
[font color =green]http://www.clubfte.com/users/mil1ion/index.html[/font]
[font color =green]http://community.webshots.com/user/mil1ion[/font]
[font color =green] Please Don't Ask Me Any Tough Questions,
"I'm Saving My Memory For When I Develop Alzheimer's" [/font]
[font color=blue]78 F-150 429CJ,Silver,Explorer Pkg.
641/2-Mustang 260,Pre-World's Fair Car.
64-Fairlane500 S/C waiting for a 390-4spd.
68-Mustang 289-Sunlit Gold 80,892Mi
78-Buick LeSabre 403 4V
84 Volvo DL Wagon [/font]
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