Pacific Division News

Dec. 14, 2022 The NHRA Technical Department recently made changes to the Class Guide. Chev 283 220/230 change to 283 220/237 64-66 SS Mopar 426 425/515 change to 426 425/505 64-65,68 GT Mopar 426 400/460 change to 426 400/450 64-65 GT Mopar 426 425/515 change to 426 425/505 1968 SS/AH Ford Maverick Grabber corrected wheelbase 1974 Ford 227 260/234 change to 227 260/230 11-14 Stock/SS 72703

The NHRA Technical Department has released an updated Exhibition Rulebook Supplement. Unless otherwise noted in this document, these changes will come into effect immediately. The Exhibition Rulebook Supplement can be found under the Rules section of NHRARacer.com. 72700

The following Stock/Super Stock horsepower changes were released December 7, 2022 produced by the Automatic Horsepower Factoring System (AHFS). This is the scheduled horsepower adjustment for this year. All changes are effective January 1, 2023. It should be noted that these changes include only results produced by the AHFS, and do not include written letters or requests. Those changes are listed separately. The AHFS is a program based on actual run data compiled f

NHRA has made the following changes to the Automatic Horsepower Factoring system (AHFS) for 2023. Additions are Blue text Deletions are Red strikethrough Automatic Horsepower Factoring System (AHFS) The AHFS is used to review and evaluate runs in Stock and Super Stock for possible horsepower adjustments. The review for factor adjustments is conducted once per racing season. The data used during the review for possible reductions in hp is cumulative from the 1st National

Dec. 7, 2022 The NHRA Technical Department recently made changes to the blueprint specifications. Chev 396 325-350 added alternate manifold 68-69 Chev 427 385 added alternate manifold 1968 Chev 427 335 added alternate manifold 1969 Chev 350 580-590 corrected manifold casting 2018 Chev added COPO Camaro combinations 2023 Chev all LS combina

Dec. 7, 2022 The NHRA Technical Department recently made changes to the Class Guide, due to clerical errors as follows. Chev added COPO Camaro combinations 2023 Pont corrected shipping weights 1969 72695

The NHRA Technical Department released Horsepower changes December 7, 2022 after review and evaluation of written requests from Lucas Oil Sportsman Series competitors. All changes are effective January 1, 2023. Only those requests received by November 15, 2022 were considered during this scheduled evaluation. Any requests received after November 15, 2022 will be reviewed during the next scheduled evaluation of 2023. Letter review is part of NHRA's commitment to evaluating inp

The NHRA Technical Department has released additional 2023 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2023 NHRA Rulebook Amendments can be found under the Rules section of NHRARacer.com. 72691

Based on Pro Stock Motorcycle performance data, the NHRA Technical Department is reducing the minimum weight of the 4-valve Suzuki up to 113 CID entries from 630 pounds to 625 pounds. All other minimum weights will remain the same. This rule change will go into effect immediately. NHRA reserves the right in the future to make additional rule changes to control performance and maintain parity in the category. 72687

Earlier today the NHRA Technical Department released the 2022 to 2023 NHRA Rulebook Amendments. These amendments document the NHRA rule changes that will come into effect beginning January 1, 2023. The 2022 to 2023 NHRA Rule Amendments can be accessed by navigating to the TECH, Rules, 2022 to 2023 NHRA Rule Amendments. Please continue to visit NHRAracer.com periodically to get updates on the most recent Rule Amendments. 72682

Earlier today the NHRA Technical Department released the 2022 to 2023 JDRL NHRA Rulebook Amendments. The amendments document the JDRL rule changes that will come into effect beginning January 1, 2023. The 2022 to 2023 JDRL Rulebook Amendments can be accessed by navigating to TECH, Rules, 2022 to 2023 JDRL Rules. Please continue to visit NHRAracer.com periodically to get updates on the most recent JDRL Rule Amendments. 72681

NHRA has posted the online version of the 2023 Junior Drag Racing League Rulebook on NHRARacer.com under Rules. Rule amendments to the 2023 Junior Drag Racing League Rulebook will continue to be posted as needed on NHRARacer.com. Additionally, the online version of the 2023 Junior Drag Racing League Rulebook will periodically be updated to reflect changes made to the rule amendments documents. Please check NHRARacer.com periodically for notifications of amendments and ruleboo

NHRA has posted the online version of the 2023 NHRA Rulebook on NHRARacer.com under Rules. Rule amendments to the 2023 NHRA Rulebook will continue to be posted as needed on NHRARacer.com. Additionally, the online version of the 2023 NHRA Rulebook will periodically be updated to reflect changes made to the rule amendments documents. Please check NHRARacer.com periodically for notifications of amendments and rulebook updates. 72684

11/7/2022 As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA Division 7 events, the following change has been made. The horsepower rating for 2012 Ford Cobra Jet, entries with the 302 cubic inch engine and a factory rating of 325 currently rated at 325, has been increased by eleven horsepower, to 336 horsepower: for Stock Eliminator automatic manual transmissions. NHRA's 2022 Automatic Horsepower Factoring Sys

Oct. 21, 2022 The NHRA Technical Department recently made changes to the blueprint specifications. Mopar 64-65 426 425 corrected alternate valve sizes 72672

Jeff Connelly was disqualified in his Top Dragster from the second event of the LODRS Doubleheader Event at World Wide Technology Raceway in Madsion, Illinois. Jeff made a pass in the first round of eliminations in the second event of the doubleheader at 5.984 seconds. His pass below the minimum of 6.00 seconds resulted in his disqualification from the event. This disqualification is not appealable. 72670

Oct. 10, 2022 The NHRA Technical department wants to clarify to Stock and Super Stock Eliminator competitors the Chevrolet El Camino designation/platform. All El Caminos from 59-87 are listed in the MVMA’s on either A platforms, B platforms, or G platforms. No, El Camino has ever been listed by the manufacture as a pick-up truck, they have all been listed as Sedan pick-up which means they were built on a sedan platform not a pick-up truck platform. In view of the fact t

10/10/2022 As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA Division 3 events, the following changes have been made. The horsepower rating for 88-92 GM Camaro/Firebird, entries with the 305 cubic inch engine and a factory rating of 170 currently rated at 210, has been increased by seven horsepower, to 217 horsepower: for Stock Eliminator automatic. The horsepower rating for 1987 Chevrolet Caprice, entries wi

Oct. 10, 2022 The NHRA Technical Department recently made changes to the blueprint specifications. GM 1981 corrected piston cc to match all 305 dish specs Pont 88-90 corrected CR to match all 305 dish piston specs Correct piston cc to match all 305 dish piston specs Corrected intake casting Added alternate cylinder head Pont 89 corrected valve sizes 305 and 350 GM 91-92 – corrected dish depth to match TI

Oct. 5, 2022 The NHRA Technical Department recently made changes to the blueprint specifications. Chry 64-65 426 425 added footnote for valve size Chry 1968 426 425 race Hemi added alternates cylinder heads 72662