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More 2019 End of Year Stock and Super Stock Horsepower Adjustments Announced

  • Jan 21, 2020
  • 1 min read

Stock/SS Horsepower Changes   complete for 2nd half rating period 2019

 

Engine Make     CID     OEM HP   NHRA HP   New HP     Years affected

 

AMC              258       114       150       148         1977 Gremlin Stk

 

Buick             231       105       127       125         78 Skyhawk Stk A

 

Buick             231       105       125       127         78 Skyhawk Stk M

 

Chev             305       145       180       177         1978El CaminoStk

 

Chev             327       250       264       260         1965 Chevelle SS

 

Chev             350       250       230       224         1969 GT RWD

 

Chev             350       350       345       342         13-15 GT RWD

 

Chev             427       425       429       435         1969 Chevelle SS

 

Chev             427       425       435       429         1969 Chevelle Stk

 

Chev             454       225       341       336         1976 GT RWD

 

Mopar            273       235       227       224         65-67 Valiant SS

 

Mopar            318       155       235       232         79-80 Aspen SS

 

Mopar            426       425       460       449         66-71 GT RWD

 

Mopar            383       343       340       332         1962 GT RWD

 

Ford              427       425       425       415         66-67 Fairlane SS

 

Ford              427       425       421       415         66-67 Fairlane Stk

 

Pont              455       300       330       322         1972 Firebird SS

 

 

Stock/SS Horsepower No Changes   complete for 2nd half rating period 2019

 

Chev             265       180       205       1955 Belair SS

 

Pont              455       360       335       1970 GTO Stk

 

71711

 
 
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