Is anyone familiar with a head that has 118 stamped where E12 or 121 is usually stamped? The date stamp is 77, and the ser.# is 11802500819. I am assuming this is the head that replaced the E12, but I thought it was designated as the E21. Any input? Also, If any one has a 1974 non-sunroof car, preferably Malaga or Inka, in good to excellent condition, that they are looking to sell, please contact me.Other colors are a consideration as well. I know an individual that is moving to Los Angeles in the near future, and wants an 02 as a daily driver. We are looking for a sound car with little or no (ha ha) rust. It MUST be able to pass smog as is. Thanks in advance!