49 mercury flathead. Engine was cranked and ran fine last summer. No smoke or strange noises. ran great. Was in a parts car. Engine and trans are now on a stand. Transmission is unknown did not try to drive the car. Selling both together. I do have video of the engine running before it was removed. Price is negotiable, depending on where and when could possibly help with delivery. Contact me. need to get this one out of the shop as I don't have a use for it.