Several 340 engine blocks in my garage at this time see Vins below

8B237760

LM23P9B201857

0B416382

3B148258


LM23P9B201857 - a 340 Swinger (LM23P9B201852 is in Wildcat Auto Wrecking)

0B416382 - would be a 340 Duster VS29H0B416382

3B148258 - a Duster or Barracuda