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  #1  
Old 08-06-2002, 02:37 AM
burton burton is offline
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429 identification

I recently aquired a 429 a C6 transmission and an transfer case. I need help on identifing what year these were in and what they are. Where do i find the engine cast number and how do i tell if it is a cobra jet engine? I'll get the transmission number soon. I beleive the transfer case is either an NP-203 or 205. How do i tell the differance?

Thanks for any help

Joe
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  #2  
Old 08-06-2002, 09:05 AM
georgedavila georgedavila is offline
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429 identification

The engine block casting number is on the back, right near the starter. Look for C9XX-XXX, DXXX-XXX or similar. DOVE and DIVE were the only blocks used for the 4-bolt CJ block, but most of those casting numbers will be 2-bolt blocks. I wouldn't assume it's a 429 until you get it apart or measure the stroke, as most all 4x4 engines were 460s. The head casting number is right below the valve cover on the exhaust side. CJ/SCJ heads all carry the casting number DOOE-R. Can't help you with the transfer case.
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  #3  
Old 08-06-2002, 07:00 PM
burton burton is offline
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429 identification

Well i found the cast number on the block and it is C9VE-B and the head read C9VE-A. What does this tell me? Also could anyone explain to me the differance between the 429 blocks and the 460 block. The number on the transfer case is D8TA-7A195-AA. It is made by New Process and has a low ratio of 1.96 to 1. Can anyone tell me what model it is?

Thanks for your help

Joe
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  #4  
Old 08-07-2002, 05:12 AM
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429 identification

The block number says that it it either a 429, 429CJ or a 460. However, the head casting number says either 429CJ,429SCJ or a police issue 429.
The main difference between the 460 and 429 is the crank throw. Crank throw for the 429 is 1.795 inches and the crank throw for the 460 is 1.925 inches. Stroke for the 429 is 3.59 inches, for the 460 is 3.85, but there are other diffs such as compression hight, deck hight and deck clearance. Combustion chamber size also varied between the two, as well as between years for both engines.The stock 460 pistons usually have a grand canyon sized dish in them.429 SCJ and early CJs ('71-'72) have adjustable stamped steel rockers w/guide plates and screw-in studs that are NON positive stop.
If you determine that you have a 429, you can tell the difference between the base 429 and the CJ/SCJs. The base engines have fully broached con rod bolts and the latter have spot-faced bolts for extra strength. The rods between the 429s and the 460s are the same and many truck application rods for the 460 also came with spot-face rod bolts.

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  #5  
Old 08-07-2002, 08:26 AM
georgedavila georgedavila is offline
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429 identification

">The block number says that it it either a 429, 429CJ or a
>460."

I would have to disagree with this. C9VE says it's a 1969 production block, and it could be either a 429 or 460. CJ/SCJ production didn't start until the 1970 model year, and all blocks used in the 2 and 4-bolt CJ versions were DOVE. 1970 SCJs were all DOVE 4-bolt blocks. In 1971, both DIVE and leftover DOVE blocks were used. Again, some CJs were 2-bolt, some 4-bolt and all SCJs were 4-bolt. The PI (police interceptor) for 1970/1971 was the 2-bolt CJ block with CJ heads. In '72 CJ/SCJs were discontinued and the PI used a stock production block with PI heads.

There were two DIVE blocks. DIVE-A2A had a thin main bearing web for standard production and DIVE-AA a thick web for 2 and 4-bolt CJ/SCJ production.

"However, the head casting number says either
>429CJ,429SCJ or a police issue 429."

Again, C9VE says it's a '69 head. There were no CJ/SCJs produced in 1969 castings. The only CJ/SCJ head used in '70/71 was DOOE-R. Period. The '70/71 PI was the same as the CJ, used the DOOE-R head in '70/71, and in '72 went to the D2OE-AB head with larger combustion chambers and smaller valves, which was designated Police Interceptor head through 1974.




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  #6  
Old 08-07-2002, 08:42 AM
georgedavila georgedavila is offline
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429 identification

Other than the 4-bolt main used on Ford 429 CJ/SCJs, which were also used in a limited number of Cougars,there was no difference between a 429 or 460 passenger car/truck block. Regardless of casting number, they were all used by Ford, Lincoln and Mercury. Ford configured theirs as a 429, while Lincoln/Merc generally had the longer stroke 460.
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  #7  
Old 08-07-2002, 09:46 AM
Just Strokin Just Strokin is offline
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429 identification

>Other than the 4-bolt main used on Ford 429 CJ/SCJs, which
>were also used in a limited number of Cougars,there was no
>difference between a 429 or 460 passenger car/truck block.
>Regardless of casting number, they were all used by Ford,
>Lincoln and Mercury. Ford configured theirs as a 429, while
>Lincoln/Merc generally had the longer stroke 460.


There is a diff as explained above with regards to thin and thick web mains on the early blocks. see link

http://www.network54.com/Hide/Forum/message?forumid=85220&messageid=1028587187

I have a D0VE-A block if anyone is interested.
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  #8  
Old 08-07-2002, 02:08 PM
burton burton is offline
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429 identification

I dropped the oil pan and found a 4U stamped on the crank. Does this help to identify if it is a 429 or 460? I take it is not the CJ or SCJ because it was cast in 1969 right?

Thanks

Joe
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  #9  
Old 08-07-2002, 08:45 PM
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429 identification

4U is a 429 casting number.
429's used 4U,4UA cranks
460's used 2Y,2YA,2YAB,2YABC and 3Y cranks.
It's highly unlikely that it is a CJ or SCJ.
I think the casting number on these cranks (CJ-SCJ) is the same as the standard 429's.
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  #10  
Old 08-08-2002, 02:41 AM
burton burton is offline
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429 identification

So let me get this straight. I do indeed have a 429 and Ford didn't start making the 429 CJ and SCJ untill 1970. So because my block was cast in 1969 it can't be the CJ, right?
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  #11  
Old 08-08-2002, 11:52 AM
georgedavila georgedavila is offline
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429 identification

From the casting numbers, you have a standard production 1969 429.
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  #12  
Old 08-08-2002, 10:38 PM
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429 identification

My appologies Burton. Georgedavila is correct, I guess I should been wearing my glasses when going over my references.:-X23
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  #13  
Old 08-09-2002, 10:21 PM
Big Bad 1Ton Big Bad 1Ton is offline
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429 identification

what does the A2A, AA, Awhatever mean on a block number. Is that just the mold used??

I have a 429 and the number are D1VE-A2B. I have not seen this A2B designation before. If that the thin webs, and a 4AU crank, anybody???
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  #14  
Old 08-09-2002, 10:34 PM
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429 identification

The suffix is a change-up code.

Meaning a *Slight Change* of design from the original.


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  #15  
Old 08-11-2002, 05:41 PM
burton burton is offline
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429 identification

One last question. The heads read C9VE-A. Are these 429 heads?

Joe
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Old 08-11-2002, 05:41 PM
 
 
 
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