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Horsepower Adjustments – From Competitor Requests
 

The NHRA Technical Department released Horsepower changes December 19, 2016 after review and evaluation of written requests from Lucas Oil Sportsman Series competitors. All changes are effective January 1, 2017. Only those requests received by November 15, 2016 were considered during this scheduled evaluation. Any requests received after November 15, 2016 will be reviewed during the next scheduled evaluation of 2017.

Letter review is part of NHRA's commitment to evaluating input from the Sportsman racing community and is an important element of NHRA's Automatic Horsepower Factoring System.  “No Change” combinations are listed so that competitors may see that requests were reviewed by the Technical Department, even though the request resulted in no change.

          Requests for horsepower changes or reviews can be made here www.nhraracer.com/ahfs.asp.  Requests for reviews must be received no later than November 14, 2017 to be included in the next scheduled horsepower and index review.

 

Stock Horsepower Changes

 

                                      OEM       NHRA    New

 

Make               CID        HP          HP          HP            Years Affected

 

AMC              390       325        315      311           1970 AMX

 

Chev             265       225        219      216           1956 Full Size

 

Chev             305       145        180      177           1978 Nova

 

Chev             305       190        241      237           1987 Camaro

 

Chev             350       300        286      279           1969 Chevelle

 

Chev             396       325        320      316           1969 Chevelle

 

Chev             396       350        340      335           1969 Nova

 

Chev             402       350        340      335           1970 Nova

 

Chev             427       425        419      413           1969 Camaro

 

Mopar            340       290        316      312           1970 Cuda

 

Mopar            360       220-245 301       297           74-76 Volare 

 

Mopar            383       330        300      296             1969 Dart

 

Mopar            440       385        422      412             1971 Charger

 

Ford              140       145        174      171             1984 Tbird

 

Ford              289       210        200      197             1964 Mustang

 

Ford              351       248        303      299             1972 Torino

 

Ford              428       335        371      366             68-69 Mustang

 

Olds              138       115        109      107             92-94 Achieva

 

 

Stock Horsepower No Changes

 

                                          OEM       NHRA

 

Make             CID          HP          HP              Years Affected

 

Buick            455           315        330           1971 GS

 

Chev            250           145        145           1971 Chevelle

 

Chev            265           200        222           1994 Caprice

 

Chev            283           220        229           1966 Chevy II

 

Chev            302           290        309           1969 Camaro

 

Chev            305           165        240           1981 Camaro

 

Chev            327           275        270           1968 Nova

 

Chev            327           275        270           1967 Camaro

 

Chev            327           350        293           1965 Malibu

 

Chev            346           305        382           2000 Camaro

 

Chev            346           320        381           2000 Camaro

 

GM               346           320        342           2000 Formula

 

Chev            346           350        345           97-04 Corvette

 

Chev            350           175        275           78-79 Camaro

 

Chev            350           175        287           1973 Nova

 

Chev            350           240        270           1989 Camaro

 

Chev            350           255        280           1969 Chevelle

 

Chev            350           270        358           1994 Camaro

 

Chev            350           900        530           2015 COPO*

 

Chev            350           ?           175           1979 Camaro

 

Chev            396           350        340           1968 Camaro

 

Chev            396           375        400           1968 Chevelle

 

Chev            396           375        405           1969 Camaro

 

Chev            396           375        412           1969 Nova

 

Chev            396           375        413           1969 Camaro

 

Chev            402           375        395           1970 Nova

 

Chev            402           375        405           1970 Nova

 

Chev            409           425        375           1962 Biscayne

 

Chev            427           425        425           1969 Camaro

 

Chev            427           425        456           2012 COPO

 

Chev            454           425        414           1971 Chevelle

 

Chev            454           425        420           1971 Monta Carlo

 

Chev            454           450        440           1970 Chevelle

 

Mopar           135           96          102           83-87 Aries

 

Mopar           273           180        162           1965 Valiant

 

Mopar           318           150        169           1973 Dart

 

Mopar           340           240        281           1972 Charger

 

Mopar           340           275        300           1970 Duster

 

Mopar           340           280        304           1972 Barracuda

 

Mopar           340           290        319           1970 Challenger

 

Mopar           360           180        270           1975 Fury

 

Mopar           360           220        305           1976 Volare

 

Mopar           360           245        301           1974 Duster manual*

 

Mopar           360           245        305           1974 Duster manual

 

Dodge          370           390        440           2010 Drag Pak

 

Mopar           383           280        298           1967 Barracuda

 

Mopar           383           280        300           1967 Barracuda

 

Mopar           383           335        296           1969 Roadrunner

 

Mopar           383           343        320           1962 Fury

 

Mopar           426           405        435           1964 440

 

Mopar           426           415        415           1964 Savoy

 

Mopar           426           425        425           1963 Savoy

 

Mopar           426           425        430           1966 Belvedere

 

Mopar           440           375        335           1967 GTX

 

Mopar           440           390        393           1970 GTX

 

Mopar           440           390        400           1969 Roadrunner

 

Ford             289           271        271           1967 Mustang

 

Ford             302           220        220           1969 Mustang

 

Ford             351           164        240           1972 Cougar

 

Ford             351           285        305           1971 Mustang

 

Ford             390           315        323           66-67 Fairlane

 

Ford             428           335        375           1969 Torino

 

Ford             428           335        380           1968 Mustang

 

Ford             428           335        389           1969 Mustang

 

Olds             307           180        237           1987 Cutlass

 

Olds             350           170        258           1980 Cutlass

 

Olds             400           350        340           66-67 442

 

Olds             455           365        350           1970 442

 

Pont             350           200        277           1974 Ventura

 

Pont             455           325        325           1971 Firebird

 

Pont             455           360        340           1970 GTO

 

* = no such combination listed in the class guide.

 

 

Super Stock Horsepower Changes

 

 

                                      OEM       NHRA    New

 

Make               CID        HP          HP          HP            Years Affected

                                     

AMC              360       290       264       260         1970 AMX

 

GM                231       200       179       176         95-02 Camaro/Firebird

 

Chev             396       375       390       385         1969 Camaro

 

Chev             327       210       210       207         67-69 GT

 

Chev             350       270       290       286         1971 GT

 

Chev             350       295-300 317       313         67-70 GT

 

Chev             400       180       319       315         1974 GT

 

Chev             402       300       312       308         1971 GT

 

Chev             454       215-225 351       346         75-76 GT

 

Chev             454       345       376       367         1970 Nova

 

Dodge           370       340       340       332         09-10 Drag Pak

 

Mopar            426       365       305       301         1965 Coronet

 

Mopar            426       415       395       390         1963 Savoy

 

Mopar            426       415       395       386         1964 Savoy

 

Mopar            426       425       415       405         1964 Fury

 

Mopar            273       275       275       268         1966 GT

 

Mopar            400       210       306       302         1976 GT

 

Ford              289       225       212       209         1965 Mustang

 

Ford              281       235       232       229         2010 GT

 

Ford              330       425       430       425         2008 GT

 

Ford              351       266-280 289       285         71-72 GT

 

 

Super Stock Horsepower No Changes

 

                                      OEM      NHRA

 

Make              CID        HP         HP                    YearsAffected

 

GM                  305       150       250                     1984 Camaro/Firebird

 

Chev               327       250       250                     1964 Chevelle

 

Chev               327       275       300                     67-68 Chevy II

 

Chev               396       375       400                     1969 Camaro

 

Chev               427       390       390                     1967 Corvette

 

Chev               427       400       419                     1967 Corvette

 

Chev               454       425       469                     1971 Corvette

 

Chev               454       390       415                     1970 Corvette

 

Chev               454       365       390                     1971 Corvette

 

Chev               327       250       250                     68 GT

 

Chev               327       250       265                     1968 GT*

 

Chev               327       300       293                     1966 GT

 

Chev               350       175       285                     1987 GT

 

Chev               350       172-175 290                     1968 GT

 

Chev               350       330       295                     1996 GT

 

Chev               400       175       319                     1975 GT

 

Mopar              318       150       235                     1980 Aspen

 

Mopar              318       155       241                     1980 Aspen

 

Mopar              340       240       258                     1973 Duster

 

Mopar              340       275       268                     1971 Demon

 

Mopar              340       275       276                     1971 Duster

 

Mopar              360       245       265                     1974 Duster

 

Mopar              360       245       274                     1974 Dart

 

Mopar              340       240       262                     1972 GT

 

Mopar              340       240       266                     1972 GT

 

Mopar              340       240       275                     1972 GT

 

Mopar              360       275       275                     2009 GT

 

Mopar              426       425       505                     1968 Cuda

 

Ford                302       235       235                     1993 GT

 

Olds                400       180       324                     1974 Calais

 

 

* = no such combination listed in the class guide.

 

Super Stock Index No Changes

Class

 

                                           SS/BM                                              








RM