The second, third and fourth characters indicate that this engine was built on February 23. You may conclude there is significant rust damage and pass on the car, as major corrosion damage to the birdcage and windshield frame is likely. After a certain number of years, some states drop the title requirement opting for registrations only. There could have been a hold up in production and something was pulled. General Motors started using Protecto-Plates in 1965 for their warranty records, which denoted specific engine, transmission, and axle codes.
My second candidate was a 1964 convertible in decent condition with a matching-number engine. Reproductions are out there, so having an original Protect-O-Plate is a very valuable piece of documentation. Some things to keep in mind. Select the portion of the alphabet for your code. As I dug deeper into what I had in front of me, I found a completely original, numbers- matching 1967, right down to the carburetor. Motor was built 11 07 and car 12 4. So if you're searching for a casting number and don't find it, try a few different permutations, substituting for example 3 for 8.
Is this beyond the scope of your capabili- ties? Cylinder Heads Casting and date codes are also on each major component and many ancil- lary pieces. There are vendors supplying correctly coded trans- mission assemblies for those who want to pay the price. Intake manifolds have a date code along with a casting number. The month code is below. Body 6909 is the actual body production run making it right for the number of coupes built that year.
My casting date on the block is B246 with a casting 3858174 and the serial is 118290. There is no way to access these potentially corroded C-channels to preserve them. When Corvettes come in baskets, you never know what you may find. If you see a major body panel overlap with bonding adhesive oozing out there is a concern. This makes the 1957 Chevy immediately recognizable and highly prized by most auto collectors. The engine plants now stamp a source, production date and type on serial pad.
This is why matching the date codes to the engine pad stamping is important. It would take some time to hunt for the right pieces. I crawled under it and it does not have side motor mount bosses. The 1965 to 1967 rear axle stampings were changed slightly to include build plant codes. If the price is right, can you afford to have someone do the major work if you do not feel comfortable doing it? Placing white paper towels on the floor around the lower dash area may help find corrosion.
On 1965-67 big blocks, the cast date is located on the passenger side of the block where the starter is attached. The clock is a circle of 10 dots, one dot for each hour of a shift usually 10 hour shifts. Month Year Code January 1953 to 1956 L January 1957 to 1972 N February 1953 to 1957 M February 1958 to 1972 X March 1953 to 1956 N March 1957 to 1972 L April 1953 to 19567 K April 1958 to 1972 G May 1953 to 1972 J June 1953 to 1972 I July 1953 to 1957 H July 1958 to 1972 U August 1953 to 1972 T September 1953 to 1957 E September 1958 to 1972 A October 1953 to 1957 F October 1958 to 1972 Y November 1953 to 1972 C December 1953 to 1972 V. Welding heat can weaken areas, especially at the outside edge of the weld, as the steel is pulled and thinner in that area. The casting date is G164. Mainly, the deck surface looked rougher than it should be. C represented Cleve- land-built Powerglides, T for Toledo-built Powerglides, P for Muncie, and S for Sag- inaw-built 3-speeds.
Corvette casting dates only show the single digit for the year. We have personally reviewed each page and its content in an effort to make sure there is valuable information, and not just a site full of ads and useless dribble. I had a very nice 1967 Midyear convertible with a 435-hp 427 in the shop for some repairs. One-Fifty Z 6 235 123 7. These resources are meant to help identify vehicles and their options, aid in restorations and help educate new enthusiasts about their vehicles. The new 283 V8 was a bored out version of the previous years 1956 - 265 V8. The second or second and third number is the day of the month.
Four bolt main blocks are desirable in high performance applications because the extra strength of the additional bolts keeps the bottom end rigid and less prone to failure. If you have any info that can be added, please let me know. I found this number difficult to locate. One-Fifty Z 6 235 115 7. Sure, there are owners who held onto and preserved their window sticker, but that should not be the only document you put stock in.