340 ID

[Blown70]

Ok, So I have always dealt with big blocks.  Never paid attention to 318,340,360.

Could someone tell me how to ID them and where they are stamped..... Do they have such a thing as a HP?

Thanks

Toim

[John_Kunkel]

All 340's are considered HP, the stamping is on the front of the block just below the head on the drivers side.

[Blown70]

All 340's are considered HP, the stamping is on the front of the block just below the head on the drivers side.

John, would this be on the back of the motor or toward the front of the head?  Does that make sense?

[chrisII]

basicly its normaly right behind the ps pump and kinda tough to read. there are casting numbers above the starter (like an inch tall cast in) that give displacement, and on the right side just behind the motor mount you will find a date casting. the area below the head on the left front of the block is where overbore , undersized crank ect was stamped. ive seen this area blank as well. i think big blocks were stamped the same but ive never done alot with big blocks.