Casting #1238861. I was told it came out of a 73 Riviera. I had it in my LeSabre while I was rebuilding another one. It ran OK but seemed a little “tired”. Didn’t burn oil or make any noises. I used a different set of rebuilt heads on it at the time but put the original heads back on it when I removed it from the Lesabre. Head bolts are loose.
