Casting # question.
Feb 11, 2012 | 09:38 PM
Thread Starter
Melting Slicks
Joined: Dec 2006
Posts: 2,483
Likes: 1
From: Bay Area CA
Casting # question.
Is it possible for a 3963512 block to have a casting date of K27 8?
According to most of the casting number charts available on the internet, 3963512 was produced between 1969-71. How can it have a 1968 casting date?
http://www.teufert.net/bbchevy/bbcast.htm
Feb 12, 2012 | 08:48 AM
Race Director
Joined: Oct 2000
Posts: 12,580
Likes: 3,067
From: Shamong, NJ
I think your confusing the production date of a part, with the vehicle model year.
The 512 block was used in 69 model year cars. Production of the 69 Corvette started in September of 68. Any 69 Corvette built in 1968, would have to have parts that were made in 68, and many cars built in 69, can be found with parts made in 68 too.
With 69 production beginning in September 68, the first 3963512 blocks were probably cast in August 68.
A 512 block, dated K278 (November 28, 1968), would have likely have ended up in a 69 Corvette built around December 68 or January 69.
Feb 13, 2012 | 07:48 AM
Team Owner
Joined: Jun 2000
Posts: 38,924
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From: Southbound
Cruise-In II Veteran
Quote:
Originally Posted by
rajsid
...Is it possible for a 3963512 block to have a casting date of K27 8?...
Yes.
Feb 13, 2012 | 01:05 PM
Thread Starter
Melting Slicks
Joined: Dec 2006
Posts: 2,483
Likes: 1
From: Bay Area CA
Thank you guys..
Also... What does the "P" right below the casting number mean?
Feb 13, 2012 | 04:08 PM
Team Owner
Joined: Oct 2000
Posts: 38,897
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From: Washington Michigan
Quote:
Originally Posted by
rajsid
Thank you guys..
Also... What does the "P" right below the casting number mean?
The "P" is for "passenger" - differentiates a standard deck height block from the "tall-deck" truck versions.
Feb 13, 2012 | 05:04 PM
Thread Starter
Melting Slicks
Joined: Dec 2006
Posts: 2,483
Likes: 1
From: Bay Area CA
Quote:
Originally Posted by
JohnZ
The "P" is for "passenger" - differentiates a standard deck height block from the "tall-deck" truck versions.
Thanks John
Feb 13, 2012 | 06:25 PM
Melting Slicks
Joined: Aug 2005
Posts: 2,359
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From: Confusion
My 512 is J38, told by one "expert" the earliest one he has ever seen (debatable of course)
Feb 27, 2012 | 09:49 AM
Le Mans Master
Joined: Apr 2002
Posts: 5,467
Likes: 764
From: Kirtland Ohio
according to Chevy by the numbers the block went into production in October '68 so J of '68 would be a very early block
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