To the best of my knowlege they will. I have a 426 marine block that appears to be exactly the same as my street wedge block. Also had a 331 industrial hemi that accepted all the internals from a car block. Nico Over Va. Beach, Va. On Mon, 2 Aug 2010 19:15:42 -0700 (PDT), Donald Gallimore wrote > Any idea if the 426 Industial blocks interchange with the automotive > 426 block? Wedge, not Hemi. Akron Don Gallimore ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! 1962 to 1965 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html. This email was sent to: arc.6265@xxxxxxxxxxxxxx u/?bUrDWg.bSONJP.YXJjLjYy ?p=TEXFOOTER