Document jQGVJ9aR1J6ezO6RL9r0JwnN

Mr. ^ R. Nall - Allentown \ \' iv 1, <a oraary 1, 1961 After discussing the contents of your letter of 1-16-61 with Messrs. Kay and Kadi sad per our phone conversation of lest week, enclosed find the fallowing layouts shoving Hide dutch In* stallatlons for various engines end chassis os Indicated. 12HBL4135 * B68 Ctaarla XS5tO Sng<Mi Mack dutch TR67 Trenagisslon #2 Flywheel Bousing Rote that the layout refers to our BS464 engine hut it Is Identical to that used on the BB540. 12HHL4170 - B6l Chaesls ------------ BBD673 Bslne Mack Clutch TB?2 Tranentastoo 19B' This is the noet popular combination which Is the high volnne Job. 12HBL4198 - B*22 Chassis W*38 Biglne Mode 14" CL401 Clutch TR 77 Transp&iston Attached also Is a chert covering pertinent engine output data as related to clutch capacities for each of the above installa tions. Oompartssne of the dutch capacities with your 2-plate 12r and 2-plate l}*' unite are Included tor your ready reference. Mini* nun excess capacity is calculated on the basis of full facing wear and co-efficient of friction of .25. BUS-0055 DANA-059.20 I Corporation Attantlont Nr. D. S. Dana -2- February 1; 19&L It is our understanding that you Kill atart your anpl naarl ng wife to adapt your 2-plate olutcnea to three basic combinations and Kill advise aa to shot changes Kill be required In ordar to effect a aultahla installation. If you find that details of any of the aonponants are required In order to ootqplete your study, kindly advise and tha prlnta will be forwarded promptly. vary truly yours, HACK SHOCKS* ISO. <- VJFiet mail Pel lasent .re Nogin Design Dept. ee to Naasrai V. N. Nay A. H. qiaaamyp F* L Oillan F. H. Ball C. A. SdhArfbnberg I. 0. Datra BUS-0056