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Horsepower Adjustments – From Competitor Requests

The NHRA Technical Department released Horsepower changes December 20, 2019 after review and evaluation of written requests from Lucas Oil Sportsman Series competitors. All changes are effective January 1, 2020. Only those requests received by November 19, 2019 were considered during this scheduled evaluation. Any requests received after November 19, 2019 will be reviewed during the next scheduled evaluation of 2020.

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 17, 2020 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          258     114         150        148        1977 Pacer

 

Buick         231     105         127        125        1978 Skyhawk

 

Chev         327     250         245        241        1968 Chevelle

 

Chev         350     175         287        283        1978 Malibu

 

Chev         350     175-185   275        271        1978 Camaro AT

 

Chev         350     270         278        274        1971 Camaro

 

Chev         396     350         335        330        1968 Camaro AT

Chev         409     409         370        365        1962 Biscayne

 

Chev         427     425         435        429        1969 Chevelle

 

Chev         454     425         414        408        1971 Chevelle MT

 

Mopar        225     110         144        142        1980 Diplomat

 

Mopar        340     290         312        308        1970 Cuda

 

Mopar        340     240         281        277        72-73 Roadrunner

 

Mopar        360     245         305        301        1974 Dart

 

Mopar        426     400         434        428        64-65 440

 

Mopar        426     400         445        439        1964 Savoy

 

Mopar        426     425         425        419        1963 Savoy

 

Mopar        425     425         434        424        70-71 Challenger

 

Mopar        426     425         456        450        1964 Belvedere

 

Mopar        440     385         402        396        1971 Charger

 

Mopar        440     390         382        377        1970 Cuda

 

Ford          140     92           109        107        1976 Pinto

 

Ford          140     145         168        165        1983 Mustang

 

Ford          281     225         207        204        96-98 Mustang

 

Ford          302     225         220        217        1992 Mustang

 

Ford          302     230         223        220        1968 Mustang

 

Ford          427     410         410        404        66-67 Fairlane MT

 

Ford          427     410         410        404        66-67 Fairlane AT

 

Ford          429     370         345        340        1971 Cougar

 

Olds          400     350         340        335        1967 442

 

Olds          455     390         351        346        1968 Hurst

 

Pont          400     330         338        333        1968 Firebird

 

Pont          455     290         340        335        73-74 Firebird

 

Pont          455     335         335        330        1971 Tempest

 

 

 

 

 

 

 

 

 

 

 

Stock Horsepower No Changes

 

                                          OEM       NHRA

 

Make             CID          HP         HP            Years Affected

 

AMC             258           110        150           1977 Pacer *

 

Buick            305           145        174           1978 Skylark

 

Buick            350           160        293           1979 Skylark *

 

Chev            196           105        112           1979 Monza

 

Chev            231           200        206           1997 Camaro

 

Chev            283           230        215           1960 Kingswood

 

Chev            307           130        165           1972 Nova

 

Chev            305           145        180           1978 El Camino

 

Chev            305           155        237           1981 Camaro

 

Chev            305           150        244           1984 Camaro

 

Chev            305           215        258           1985 Camaro

 

Chev            327           250        245           1965 Chevelle

 

Chev            327           275        265           1968 Chevelle

 

Chev            327           275        270           1967 Camaro

 

Chev            327           275        270           1968 Nova

 

GM               346           305        382           2000 Camaro

 

GM               346           320        381           2000 Firebird

 

Chev            350           165        279           1979 Nova

 

Chev            350           175-185  275           1978 Camaro MT

 

Chev            350           185        279           1978 Camaro

 

Chev            350           200        278           1972 Camaro

 

Chev            350           250        315           1974 Corvette

 

Chev            350           255        263           1969 Kingswood

 

GM               350           275        358           1994 Camaro

 

Chev            350           295        286           1967 Camaro

 

Chev            350           300        275           1969 Chevelle

 

Chev            350           300        286           1970 Nova

 

Chev            350           300        296           1969 Camaro

 

Chev            350           358        275           1998 Camaro*

 

Chev            364           400        391           2005 Corvette

 

Chev            396           375        412           1969 Camaro

 

Chev            396           375        412           1969 Nova

 

Chev            402           375        395           1970 Nova

 

Chev            402           375        400           1970 Camaro

 

Chev            402           375        415           1970 Nova

 

Chev            427           425        413           1969 Camaro

 

Chev            427           425        425           1969 Camaro

 

Chev            427           425        425           1969 Chevelle

 

Chev            427           425        435           1969 Camaro

 

Chev            427           430        445           1969 Camaro

 

Chev            454           425        414           1971 Chevelle AT

 

Chev            454           425        469           1971 Corvette

 

Chev            454           450        430           1970 Chevelle

 

Mopar           340           290        319           1970 Challenger

 

Mopar           340           240        285           1973 Duster

 

Mopar           360           220        269           1976 Volare

 

Mopar           360           297        245           1974 Duster

 

Mopar           383           280        298           1967 Barracuda

 

Mopar           383           300        299           1971 Challenger

 

Mopar           370           385        440           2009 Drag Pak

 

Mopar           426           415        409           1963 Savoy

 

Mopar           426           425        421           1964 Fury

 

Mopar           426           450        497           2010 Drag Pak

 

Mopar           440           375        330           1967 GTX

 

Mopar           440           390        393           1970 GTX

 

Ford             140           145        165           1983 Thunderbird

 

Ford             227           305        260           2011 Mustang

 

Ford             281           205        210           1996 Cougar

 

Ford             289           225        202           1967 Mustang*

 

Ford             302           210        208           1985 Mustang

 

Ford             302           225        215           1989 Mustang

 

Ford             351           240        240           1971 Cougar

 

Ford             351           330        355           1971 Mustang

 

Ford             390           325        323           1968 Fairlane

 

Ford             427           410        400           66-67 Fairlane MT

 

Ford             427           415        425           66-67 Fairlane

 

Ford             427           425        425           66-67 Fairlane MT

 

Ford             428           335        380           1968 Mustang

 

Olds             307           138        207           1988 Cutlass

 

Olds             455           365        350           1970 442

 

Pont             350           165        284           1978 Firebird

 

Pont             350           320        305           1968 Firebird

 

Pont             400           335        332           1968 Firebird

 

 

 

 

 

* = no such combination listed in the class guide.

 

 

Super Stock Horsepower Changes

 

 

OEM       NHRA    New

 

Make               CID        HP          HP          HP            Years Affected

                               

AMC              390       315       290       286         1969 AMX

 

GM                231       200       170       167         95-02 Firebird

 

GM                305       150-200 269       265         83-87 Camaro

 

Chev             376       365       365       360         2015 Camaro

 

Chev             327       250       257       253         1968 GT RWD

 

Chev             327       275       299       295         66-68 GT RWD

 

Chev             327       300       285       281         66-67 GT RWD

 

Chev             350       350       350       345         13-15 GT RWD

 

Chev             400       175       316       312         75-76 GT RWD

 

Mopar            340       240-245 246       242         72-73 Cuda

 

Mopar            426       365       291       287         1965 Coronet

 

Mopar            426       425       510       503         1964 Belvedere

 

Mopar            426       425       459       453         70-71 Challenger

 

Mopar            400       210       294       290         1976 GT RWD

 

Ford              302       325       300       296         2012 GT RWD

 

Ford              351       266       280       276         73-74 GT RWD

 

Pont              428       390       316       312         1968 GT RWD

 

 

 

 

 

Super Stock Horsepower No Changes

 

                                  OEM      NHRA

 

Make            CID      HP        HP                      Years Affected

 

AMC              390       315       295                     1969 AMX

 

Chev             265       197       200                     1994 Caprice

 

Chev             305       215       262                     1985 Camaro

 

Chev             327       250       264                     1965 Chevelle

 

Chev             327       275       295                     1968 Camaro

 

Chev             350       190       294                     1973 Corvette

 

Chev             350       300       320                     1969 Camaro

 

Chev             396       375       400                     1969 Camaro

 

Chev             427       400       419                     1967 Corvette

 

Chev             454       425       469                     1971 Corvette

 

Chev             454       450       465                     1970 Chevelle

 

Chev             305       200       275                     1985 GT RWD

 

Chev             305       215       259                     1985 GT RWD

 

Chev             327       250       270                     1965 GT Truck

 

GM                350       255       294                     1985 GT RWD

 

GM                350       255       294                     1992 GT FWD

 

Chev             350       270       286                     1971 Gt RWD

 

Chev             364       361       356                     2005 GT FWD

 

Chev             400       175       311                     1976 GT RWD

 

Chev             454       225       341                     1976 GT RWD

 

Mopar            273       180       180                     1965 Valiant

 

Mopar            273       235       227                     1966 Valiant

 

Mopar            318       155       235                     1980 Aspen

 

Mopar            340       275       276                     1971 Demon

 

Mopar            360       245       274                     1974 Dart

 

Mopar            383       300       290                     1965 Coronet*

 

Mopar            426       400       460                     1964 Savoy

 

Mopar            426       415       386                     1964 Savoy

 

Mopar            426       425       409                     1963 Savoy*

 

Mopar            440       375       380                     1969 Barracuda

 

Mopar            340       240       258                     1972 GT FWD

 

Mopar            345       300       296                     1968 GT RWD

 

Mopar            383       343       330                     1968 GT RWD

 

Mopar            383       343       340                     1967 GT RWD

 

Mopar            426       425       460                     1970 GT RWD

 

Ford              302       200       245                     1986 Capri

 

Ford              302       210       210                     1985 Mustang

 

Ford              302       525       570                     2014 Mustang

 

Ford              429       455       461                     2014 Mustang

 

Pont              400       335       330                     1967 Tempest

 

 

 

 

Super Stock Index No Changes

Class

 

SS/FM

 

* = no such combination listed in the class guide.








RM