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How do you decypher ford 460 block # dive-a2b and head # d3ve-a2a ?

how do you decypher ford...
how do you decypher ford 460 block # XXXXX and head # XXXXX ?
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Answered in 13 hours by:
8/18/2009
Brian
Brian, Auto Service Technician
Category: Ford
Satisfied Customers: 1,227
Experience: 5 years Ford Technical Hotline/Service Engineer. 2005 Ford Master Cert. Automotive Technology degree
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Those numbers are engineering part numbers, identifying the revision level of the parts. They do not establish the actual dates the parts were made or what vehicle the parts came from. Engineering part numbers were used to keep track of various changes made in the designs of parts over the years. For example, the first two digits of the engineering part numbers identify the year the design was last revised, for the block, it was 1971, for the heads, 1973. But these parts could have easily been cast years later using the same design, and installed in a later model year vehicle.

The block has a casting number in the valley that identifies when it was actually made.

What type of info were you hoping to find out?



Here is some info you may find useful:

Ford Production 460 Block Differences

Courtesy of Paul Kane

The available production cast iron block casting numbers are C8VE-A, C9VE-A, D0VE-A, D1VE-("xxx") and D9TE-AB.

I like to refer to all but the D9TE as the "early-style" blocks. The D9TE casting arrived in the 1979 model year and was utilized until the end of 460 production ( to 1996).

For the most part, all blocks and rotating asemblies are interchangable between all blocks except the D9TE. A D9TE rotating assembly will fit into an early-style block, but the opposite is not true.

All 429/460 Fords are internally balanced engines except for the D9TE 460, which is externally balanced.

These block identifying marks (D1VE, etc.) are not actual casting numbers but are engineering revisions that are cast into the block castings themselves. And they are what we enthusiasts refer to when identifying our factory iron, as they give not so much the year that the block was made but rather the revision of the block as specified by said engineering revision. (Actual date code is in the lifter valley.)

Early-Style Blocks: For the most part (and with small exception), the C8VE, C9VE and D1VE blocks are all essentially the same configuration casting with the thinner main webs. The thicker main web block is the D0VE block, which may or may not have 4-bolt main caps on 2,3 & 4. (Very few D1VE blocks may be thick webbed.) All Ford production 385 blocks can be decked as needed, so this is a non-issue detail.

D9TE Blocks: The externally balanced rotating assembly utilizes a crankshaft that has slightly smaller counterweights. This was done to so that the cylinders of the D9TE block could be extended about .1875" deeper towards the crankcase. I believe the cylinders were lengthened in the D9TE block because this block was revised to double as a big equipment truck block, and the dump truck rotating assemblies consisted of a very deep skirt piston that benefitted from the extended cylinder walls for support.

The deeper cylinders of the D9TE blocks are the reason that the early-style, internally balanced rotating assemblies will not fit (internal balance crank throws will not clear D9TE cylinders).

Since most prefer to use internally balanced rotating asembies in the performance applicaton, we usually opt for any block except the D9TE. There are also advantages to specific blocks within the group of early-style blocks, such as the D0VE-A's thick main webs...

Further, the D9TE block was presumed to be a lightweight ("late model") casting and therefore not very strong and also limited in it's overbore capability. But this belief is currently being re-evaluated for a couple of reasons:

1) No-one had yet evaluated D9TE cylinder wall thickness with a sonic checker, and preliminary testing suggests the block may not be so bad afterall.

2) Strokers have become popular and the D9TE's deeper cylinders offer more support for the increased-stroke rotating assemlies.

3) Most all aftermarket stroker kits use a crank with the dimensions of the externally balanced crank and so they fit the D9TE block as well as the early blocks.

Block Summit

Courtesy of Dave McLain

Here is a list of different blocks with weights and cylinder wall thicknesses:

http://misn.com/~frd460/blocksummit.html

If you have trouble finding the page, just use www.mclainsautomotive.com there is a link on the homepage to the block summit page.

Block Weights

2-bolt D9TE-AB 4.36 bore = 229 lbs

2-bolt D9TE-A2 4.39 bore = 221 lbs

2-bolt C8VE 4.36 bore = 206 lbs

2-bolt C9VE-B 4.36 bore = 210 lbs

2-bolt D1VE-A2B 4.36 bore = 223 lbs

2-bolt D1VE-A2B 4.39 bore filled = 245 lbs

2-bolt D0VE 4.36 bore = 219 lbs

2-bolt D0VE 4.440 bore = 204 lbs

4-bolt D0VE-A block = 221 lbs

A460 block, factory rough undersize bore = 302 lbs

A460 block, 4.473" bore, roller cam brgs = 265 lbs

A460 block, 4.625" bore, roller cam brgs, unfilled with caps = 255 lbs

A460 block, 4.634" bore, roller cam brgs, filled to deck with caps = 268 lbs
Brian
Brian, Auto Service Technician
Category: Ford
Satisfied Customers: 1,227
Experience: 5 years Ford Technical Hotline/Service Engineer. 2005 Ford Master Cert. Automotive Technology degree
Verified
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