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Horsepower Adjustments – From Competitor Requests

The NHRA Technical Department released Horsepower changes December 21, 2018 after review and evaluation of written requests from Lucas Oil Sportsman Series competitors. All changes are effective January 1, 2019. Only those requests received by November 13, 2018 were considered during this scheduled evaluation. Any requests received after November 13, 2018 will be reviewed during the next scheduled evaluation of 2019.

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 12, 2019 to be included in the next scheduled horsepower and index review.

 

Stock Horsepower Changes

Engine                     OEM           NHRA       New

Make           CID      HP             HP            HP            Years Affected

 

AMC           390     325          311        307        1970 AMX

 

Buick         231     105          130        127        1978 Skyhawk

 

Chev          196     105          115        112        1979 Monza

 

Chev          283     220          217        214        65-66 Impala

 

Chev          307     130-200   168        165        71-72 Nova

 

Chev          327     250          245        241        1965 Nova

 

Chev          350     165          283        279        1979 Nova

 

Chev          350     175          287        283        1973 Nova

Chev          350     175-185   279        275        1978 Camaro

 

Chev          350     185          283        279        1978 Corvette

 

Chev          350     160-185   287        283        1974 Nova

 

Chev          350     255          267        263        1969 Kingswood

 

Chev          396     350          340        335        1969 Chevelle

 

Chev          396     350          340        335        1968 Camaro

 

Chev          409     409          375        370        1962 Biscayne

 

Chev          427     390          371        366        68-69 Corvette

 

Mopar        383     330          295        291        1970 Satellite

 

Mopar        400     260          303        296        1973 Satellite

 

Mopar        426     415          406        403        1964 Belvedere

 

Mopar        426     425          409        403        1963 Savoy

 

Mopar        426     425          445        435        70-71 Challenger

 

Mopar        440     375          335        330        1967 GTX stick

 

Mopar        440     385          412        402        1971 Charger

 

Mopar        440     390          399        394        1970 Roadrunner

 

Ford           140     92            111        109        1976 Pinto

 

Ford           140     155          183        180        85-86 Thunderbird

 

Ford           281     225          210        207        96-98 Mustang

 

Ford           302     230          226        223        1968 Mustang

 

Ford           351     248          295        291        1972 Torino

 

Ford           351     285          301        297        1971 Cougar

 

Ford           427     425          425        419        66-67 Fairlane

 

Ford           429     370          350        345        1971 Cougar

 

Olds           138     115          105        103        92-94 Achieva

 

Olds           455     390          356        351        1968 Hurst

 

Pont           400     335          340        332        1968 Firebird

 

Pont           455     290          345        340        73-74 Firebird

 

Pont           455     300          330        325        1972 Firebird

 

Pont           455     325          325        320        1971 Firebird

 

 

 

 

 

 

Stock Horsepower No Changes

                                        OEM       NHRA

 Make             CID          HP         HP             Years Affected

 

Chev             262            160        180            1991 S-10

 

Chev             267            115        150            1981 Camaro

 

Chev             302            290        309            1969 Camaro

 

Chev             305            145        180            1978 Malibu

 

Chev             305            155        237            1981 Camaro

 

Chev             305            155        237            1987 Camaro

 

Chev             305            180        235            1980 Corvette

 

Chev             305            215        258            1985 Camaro

 

Chev             305            220        237            1988 Camaro

 

Chev             327            275        265            1966 Malibu

 

Chev             327            350        293            1965 Malibu

 

GM                346            305        382            2001 Firebird

 

Chev             350            255        235            1970 Chevelle

 

Chev             350            280        275            1969 Impala

 

Chev             350            285        250            1969 Camaro

 

Chev             350            295        286            1970 Camaro

 

Chev             350            295        286            1967 Camaro

 

Chev             350            300        282            1970 Chevelle

 

Chev             350            356        275            1998 Camaro

 

Chev             350            580        617            2017 COPO

 

Chev             364            400        391            2006 Corvette

 

Chev             396            325        325            1968 Camaro

 

Chev             396            350        340            1968 Nova

 

Chev             402            375        395            1970 Camaro

 

Chev             402            375        395            1970 Nova

 

Chev             402            375        400            1970 Nova

 

Chev             427            425        413            1969 Camaro

 

Chev             425            425        435            1969 Chevelle

 

Chev             427            430        445            1969 Camaro

 

Chev             454            425        414            1971 Chevelle

 

Dodge           318            150        230            1978 Aspen

 

Mopar           340            290        319            1970 Cuda

 

Mopar           340            275        314            1971 Demon

 

Mopar           360            245        297            1974 Duster

 

Mopar           360            245        305            1974 Dart

 

Mopar           360            275        289            1978 Volare

 

Mopar           383            335        300            1970 Satellite

 

Mopar           383            343        325            1962 Belvedere

 

Mopar           426            415        415            1964 Fury *

 

Mopar           440            375        335            1967 GTX auto

 

Mopar           440            385        399            1971 Challenger

 

Mopar           440            390        393            1970 GTX

 

Mopar           440            390        422            1970 GTX

 

Ford              138            298        298            2017 Focus

 

Ford              302            210        208            1985 Mustang

 

Ford              351            240        240            1971 Cougar

 

Ford              351            330        355            1971 Mustang

 

Ford              390            315        323            66-67 Fairlane

 

Ford              427            415        415            66-67 Fairlane

 

Ford              427            415        421            66-67 Fairlane

 

Ford              428            335        366            1968 Mustang

 

Ford              428            335        375            1969 Torino

 

Ford              428            335        383            1970 Mustang

 

Ford              429            370        355            1971 Mustang

 

Ford              429            455        484            2014 Mustang

 

Olds              307            180        237            1987 Cutlass

 

Pont              350            200        277            1974 Ventura

 

Pont              400            330        338            1968 Firebird

 

Pont              400            340        340            1968 Firebird

 

Pont              455            335        335            1971 T-37

 

Pont              455            360        335            1970 GTO

 

Saturn           147            140        140            2006 ION 2

 

 

 

* = no such combination listed in the class guide.

 

Super Stock Horsepower Changes

Engine                     OEM           NHRA       New

Make           CID      HP             HP            HP            Years Affected

 

GM                 231       200       173       170         95-02 Firebird

 

Chev              350       175       281       277         1982 GT FWD

 

Chev              400       175-180 325       320         74-76 GT RWD

 

Mopar            273       235       230       227         65-67 Valiant

 

Mopar            318       155       241       235         79-80 Aspen

 

Mopar            340       240       250       246         72-73 Barracuda

 

Mopar            413       420       420       414         1962 Fury

 

Mopar            425       425       465       459         70-71 Challenger

 

Mopar            318       155-170 255       251         78-84 GT FWD

 

Mopar            340       240       262       258         72-73 GT FWD

 

Mopar            345       300       300       296         09-13 GT RWD

 

Mopar            400       210       298       294         1976 GT RWD

 

Mopar            426       3665     301       297         1965 GT RWD

 

Ford               281       235       229       226         2010 GT FWD

 

Ford               289       210       225       220         1964 GT RWD

 

Pont               428       390       320       316         1968 GT RWD

 

Super Stock Horsepower No Changes

Engine                     OEM           NHRA       New

Make           CID      HP             HP            HP            Years Affected

 

 Chev              265       180       205                      1955 210

 

Chev              283       220       237                      1966 Nova

 

GM                 305       150       250                      1984 Firebird

 

GM                 305       175       269                      1985 Camaro

 

Chev              327       275       299                      1966 Nova

 

Chev              327       275       307                      1966 Nova

 

Chev              350       250       230                      1969 Camaro

 

Chev              350       255       293                      1969 Camaro

 

Chev              350       295       317                      1967 Camaro

 

Chev              350       300       322                      1969 Camaro

 

Chev              396       325       363                      1967 Camaro

 

Chev              396       375       400                      1969 Camaro

 

Chev              427       430       479                      1969 Camaro

 

Chev              427       430       476                      1969 Camaro

 

Chev              454       425       469                      1971 Corvette

 

Chev              327       250       261                      1968 GT RWD

 

Chev              327       275       299                      1966 GT RWD

 

Chev              350       250       238                      2005 GT FWD

 

Chev              350       275       295                      1986 GT RWD

 

Chev              400       175       315                      1976 GT RWD

 

Chev              400       175       319                      1976 GT RWD

 

Chev              400       175       329                      1975 GT FWD *

 

Mopar            360       245       265                      1974 Dart

 

Mopar            360       245       274                      1974 Dart

 

Mopar            383       300       290                      1965 Coronet

 

Mopar            426       425       405                      1964 Savoy

 

Mopar            318       175       254                      1999 GT FWD

 

Mopar            318       175       259                      2000 GT FWD

 

Mopar            383       343       330                      1968 GT RWD *

 

Mopar            383       343       340                      1962 GT RWD

 

Ford               289       210       220                      1964 Comet

 

Ford               289       210       230                      1964 Comet

 

Ford               302       210       210                      1985 Mustang

 

Ford               429       455       455                      2014 Mustang

 

Super Stock Index Changes

Class            Old Index        New Index

 

SS/AH        9.45                   9.60

SS/AX        9.50                   9.60

SS/BX        10.55                 10.65

SS/CX        10.80                 10.90

SS/DX        8.95                   9.05

 

* = no such combination listed in the class guide.

 








RM