According to some of my books the 1962 Imperial was available with the cross rams from the factory and being an employee of Chrysler for many years I can attest to the fact that during the 50's and 60's that if you knew someone in Chrysler a person could order just about anything they wanted including minor things like engines Don 59 Crown 55 C300 55 NY 49 NY ----- Original Message ----- From: <dardal@xxxxxxxxxxxxxxx> To: <mailing-list@xxxxxxxxxxxxxxxx> Sent: Friday, February 07, 2003 8:27 AM Subject: IML: Imperial and cross-rams > Quoting Elijah Scott <imperial1971@xxxxxxxxx>: > > > > I seriously doubt that any Imperials left the assembly > > line with the cross rams (but it was possible, 'cause > > in the '60s, you could order dang near anything). But > > it would have been very easy for buyers to have > > requested them and have the dealer install them. > > In order to get a proper conversion to the 375 hp 413, in addition to the cross > rams, you would need to also replace the cam. There may be more internal > differences between a standard 413, and the high output 413 of the letter cars, > but the two major performance mods are the intake manifold and the cam. > Installing the manifold with the stock cam may have negative effects. Would a > dealer undertake such modifications? > > D^2 > >