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"* Ctrl-R will display the ENGINE Library.  There you can select a" 
"  new set of ENGINE specs to work with.  An ENGINE file consists of" 
"  all BASE ENGINE, INTAKE SYSTEM, EXHAUST SYSTEM, CAM/VALVE TRAIN,"
"  SUPERCHARGER and CALCULATE CONDITIONS specs. (p 114-118)" 
" " 
"* Ctrl-S lets you save the current specs in the ENGINE Library for use" 
"  in the future. The program will first ask if you want to Overwrite" 
"  the current file or save the specs to a New name." 
" " 
"    - Answer 'O' to replace (update) the CURRENT FILE in the Library"
"      with the latest changes to the specs in the various menus." 
"    - Answer 'N' and you will be asked for a new name.  A new engine"
"      file will be added to the Library with this name consisting of"
"      the current specs.  The original file remains in the library" 
"      unchanged.  This is how you create NEW engines.  (p 115-118)" 
" " 
"* The comments are helpful reminders when you Retrieve an old engine"
"  file.  Keep them up-to-date with the Ctrl-C command before you save"
"  an engine file with the Ctrl-S command." 
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