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Ignition Timing: Notes

Set timing at specified hot (slow) idle speed, transmission in neutral, and with distributor vacuum line disconnected. Setting may be varied ±5° to suit various operating conditions. 

273" 2-Bbl. Synchro-mesh 5° BTDC
    (With' C.A.P.) 5° ATDC
    Auto. Trans. 10° BTDC
    (With C.A.P.) 5° ATDC
  4-Bbl. 10° BTDC
    (With C.A.P.) 5° ATDC
    318" Synchro-mesh) 5° BTDC
    (With C.A.P.) 5° ATDC
  Auto. Trans. 10° BTDC
    (With C.A.R.) 5° ATDC
361" 12 1/2° BTDC
    (With C.A.P.) 5° ATDC
383", 426" 12 1/2° BTDC
    (With C.A.P.) 5° ATDC
440" 12 1/2° BTDC
    (With C.A.P.) TDC