the boxwrench engine specs database is a community resource for mechanics of all skill levels to access a reference library of firing orders, distributor rotation directions and. jul 11, 2012 · zaloryan. I've spent the last several days compiling whatever i've been able to find on the early oldsmobile v8s. aug 11, 2009 · there's another thin to think about when dealing with the olds 425: The 455 block and 425 block are interchangeable, so if you have a good rotating assembly. The information contained in all of the engine detail sections should be read before proceeding with modifications, etc. , because some information.
