If I'm not mistaken these 265's were Chrysler "Crown" marine engines also. Do your looking where old 50's boats were abandon. Rebuilt one in the 60's a very trouble free run forever flathead 6....Then again I could be wrong
216.158 MPH 12-Port 302 GMC on 70% 171.0 MPH 302 stock head on gasoline 7 years later
