Stop in for a cup of coffee

I wonder what engine that is. A straight six with intake on one side and exhaust on the other. Someone needs to make a Hemi head for the slant 6 like that.
GMC old *** straight 6 (Called a Jimmy Six).. that dragster was built in 1960ish and ran 9.60's on 30% nitro :)
https://www.museumofamericanspeed.com/gmcdragster.html