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356 Tune-up Specifications

   
   
Valve Clearances            
Year Model Intake Exhaust        
1955-1963  356 A/B, 1600 0.004 0.006        
   356 A/B, 1600S 0.004 0.006        
1960-1963  356 B, S90 0.006 0.004        
1963-1965  356 C 0.004 0.006        
   356 SC 0.006 0.004        
1966-1967 912 0.004 0.006        
1968-1969 912 0.004 0.006        
               
 Ignition              
YEAR  Model  Plug Gap  .Point Gap Dwell Deg
   Firing Order

 Timing at   IDLE RPM
1955-1963  356 A/B,1600  .024 TO .028 0.016  47-53 1432  5 BTDC 800
   356 A/B,1600 S  .024 TO .028 0.016  47-53 1432  5 BTDC 900
1960-1963  356 B, S90  .024 TO .028 0.016  47-53 1432  3 BTDC 900
1963-1965  356 C  .024 TO .028 0.016  47-53 1432  5 BTDC 900
   356 SC  .024 TO .028 0.016  47-53 1432  3 BTDC 900
1966-1967 912  .024 TO .028 0.016  47-53 1432  3 BTDC 900
1968-1969 912  .024 TO .028 0.016  47-53 1432  3 ATDC 900

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