If you put your finger between the water jackets and cylinder wall you can feel how thick it is, its also heavy as hell. The trans bell housing area is were to look. The top of the block were the trans bolts up will have three "flats" flat, raised flat, flat. They are all 77 blocks, that Ive seen anyway. They came in cube vans and motorhomes until 81, All Ive seen have 77 cast dates, Ive pulled them out of 81 vans with 77 dates. --- On Thu, 8/5/10, Steven Charette <stevec@xxxxxxxxxxxxxxxxxxxx> wrote: > From: Steven Charette <stevec@xxxxxxxxxxxxxxxxxxxx> > Subject: RE: 426 Industrial Block > To: 1962to1965mopars@xxxxxxxxxx > Date: Thursday, August 5, 2010, 12:07 AM > > I checked a '73-ish 440 motorhome block that has a cracked > cylinder > (water/freezing) this afternoon. It's dark back > there, but the cylinder > wall feels all of a 1/4" thick, if not thicker! > > We'll dig it out in the next few days and see if I can > extract a piece of > the cylinder wall for closer inspection. > > SC > > -----Original Message----- > From: Don Gallimore [mailto:dongallimore@xxxxxxx] > > Sent: Wednesday, August 04, 2010 5:34 PM > To: 1962to1965mopars@xxxxxxxxxx > Subject: Re: 426 Industrial Block > > Thanks to all on the responses. Feel much better > about using it when I > build my Pure Stock 426w for 2012. Was a little nervous > about it. > > Akron Don > > 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. > > > >