![]() ![]() To avoid the water jacked cracking problem, watch out for engine blocks with the Michigan Casting Center foundry mark and a date code of 7C02 or earlier. Blocks cast at the Michigan Casting Center after that date do not have the cracking problem. The engine code can usually be easily found on the engine block or on the distributor cap. A TE block from the Cleveland foundry is fine with any date.įoundry casting codes and date codes are significant for M-block engine blocks because some blocks that were cast before Maat the Michigan Casting Center are prone to water jacket cracking in the lifter valley area. The serial number is located on the left hand side of the engine block, just below the head. The casting number is hard to read here.Īnother D7TE-XXXX block, different location on the same end of the block.ĭ7TE castings have had an issue that came out of the Michigan foundry.įoundry casting is located with the date on the top of the block.Īs long as teh casting number is a TE block, after Mawe are safe. Here is an example D7TE-XXXX block and the date pad. We are typically looking for D8TE-xxxx and D9TE-xxxx blocks. Located on the passenger side of the block near the bell housing end of the block is the casting number. 3rd & 4th number is the day of the month.Itll start with a letter, then a number, then two letters, either AE or TE (example. Casting date and foundry is located on top of the block back by the bell housing. Look at the casting number on the passengers side of the motor in the back.
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