65 block casting date?

[Skip FIx]

OK I was looking at my blocks and the JB casting number 3857656 has a Julian number of 308. That would be a Nov, 4th 1965. Seems late in model year, like the 66 models would have been out.

One set of 690s is a CFD and has Julian numbers of 270 adn 278 so probably close enough to be a set, but what year 62 or 63? Others have date codes K2561, L2161. They aren't a matched pair I know.

 

[Ronnie Russell]

Skip, The way I would interpret it , is the 656 would be late 64. The K and L would be early 62. Also I would think they are close enough to considered to be matching. (just lucky) Congratulations on sitting on a gold mine.

 

[Ronnie Russell]

And as far as the 270 and 278 CFD heads , I would think 63. Others with much more knowledge can be more exact.

 

[Skip FIx]

The CFDs were a set from "Bill Speed and Sport" in Irving have guideplates welded on stud bosses but still have 3/8" studs. Got a Z-11 water pump in the deal , but the block had a cracked sleeve. Back in the 70s.

Late 64 makes more sense now that you mention it.

 

[Skip FIx]

I don't see a listing here for a 63 block casting number, the 384442 I pulled out of a 63. Could it be a 63 and 64 casting?

 

[Ronnie Russell]

Skip, Maybe you left off a number. 422 is a 64 block Could have come out in late 63 maybe. All of these numbers are available by going to our home page and accessing the engine casting no. information.

 

[mpris]

Skip, the 3830814 casting was used for '63. Some of the 3844422 blocks may have been used in late 63's also. I have a 64SS which was built in Oct. 63 with a 3844422 block. Maybe some 3844422 blocks were available in the late 63 model build time frame.

Poocho

 

[Skip FIx]

It's the 422. It has a Julian # 73. I just didn't see the 814 casting listed, must have missed it.

I guess since it was around 1973 they could have put another motor in the 63 that was a 64 motor. It was my first experience with a "cutout" motor at a wrecking yard. The front clip was off and using the torch they had that motor out in just a few minutes! I just snagged the shortblock as it was a 340 HP and it was getting my 690s put on it. Two buddies and it in the back of a Vega wagon! Unfortunately it smoked really bad, like a mosquito fogger here in Houston.

 

[Skip FIx]

Here's the head with the guideplates