Pacific Division News

Jan. 28, 2025 The NHRA Technical Department recently made changes to the Class Guide. Mopar 340 240/281 change to 340 240/285 1973 Dart Stock Mopar 340 240/286 change to 340 240/290 1973 Dart Stock 73156

Jan. 27, 2025 The NHRA Technical Department recently made changes to the Class Guide. GM 305 150-190/259 change to 305 150-190/250 83-87 G platform SS GM 305 150-190/264 change to 305 150-190/255 83-87 G platform SS GM 305 150-190/275 change to 305 150-190/259 83-87 GT GM 305 150-190/280 change to 305 150-190/264 83-87 GT GM 305 165-175/230 change to 305 165-175/220 1983 Camaro Stock GM 307 130/171 change to 307 130/160 1972 Nova Stock GM 307 200/165 change to

Jan. 27, 2025 The NHRA Technical Department recently made changes to the blueprint specifications. Buick 1979 updated cylinder head casting numbers Chev 71-72 updated intake manifold casting numbers Chev 75-76, 79 updated cylinder head casting numbers Chev 19-24 updated piston dome height and volume Chry 72-73, 78-80, 80T updated intake manifold casting numbers Chry 72-73 updated cylinder head casting numbers Olds 1979 updated intake manifold casting numbers

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. This update includes the following changes… See the latest Exhibition Vehicle Rulebook Supplement for complete details. Mountain Motor Pro Stock, Body, Spoilers – Spoiler wicker minimum height changed to 3/4” Hel

The NHRA Technical Department has released additional 2025 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2025 NHRA Rulebook Amendments can be found on NHRARacer.com under Tech, then Rules. These amendments include the following changes…See the latest amendments document for complete details. Section 8, Super Street (includes SG and SC), Instruments – Instruments wiring clarification Section 11B,

Jan. 9, 2025 The NHRA Technical Department recently made changes to the Class Guide. Chev 327 300/301 change to 327 300/294 63-65 GT FWD Chev 327 300/294 change to 327 300/301 66-67 GT FWD Ford 302 565/595 change to 302 565/581 2016 Cobra jet Ford 330 450/578 change to 330 450/592 2012 Cobra Jet 73150

The NHRA Technical Department has released additional 2025 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2025 NHRA Rulebook Amendments can be found on NHRARacer.com under Tech, then Rules. These amendments include the following changes…See the latest amendments document for complete details. Section 15, Top Alcohol Funny Car - Maximum engine displacements clarified Section 16, Pro Stock Motorcycl

Dec. 20, 2024 The NHRA Technical Department recently made changes to the Class Guide. Ford 281 235/232 change to 281 235/229 2010 GT RWD manual 73146

Dec. 18, 2024 The NHRA Technical Department recently made changes to the Class Guide. Chev 327 250/241 change to 327 250/245 1965 Chevy II Pont 400 180/260 change to 400/180/266 1977Grand Prix 73145

Dec. 16, 2024 The NHRA Technical Department recently made changes to the blueprint specifications. AMC 1967 added carburetor numbers Chev 57-65 corrected manifold number Chev 57-65 Corvette uses WCFB only Chev 1962 Corvette uses AFB only Chev 76, 78-80 corrected piston description Chev 19-24 added Camaro 376/385 Ford 1964 289/210 corrected carburetor numbers Ford 2019 added alternate throttle body Shelby 1969 428/335 change to 428/355 73142

The following Stock/Super Stock horsepower changes were released December 16, 2024 produced by the Automatic Horsepower Factoring System (AHFS). This is the scheduled horsepower adjustment for this year. All changes are effective January 1, 2025. 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 fr

Dec. 16, 2024 The NHRA Technical Department recently made changes to the Class Guide. Chev 57-65 Corvette uses WCFB only Chev 1962 Corvette uses AFB only Chev 10-24 added Camaro 376/385 Ford 1963 GT 260/260 & 289/289 manual only Ford 1964 289/300 & 289/325 manual only Plym corrected wheelbase for 1968 Barracuda Hemi 73143

The NHRA Technical Department released Horsepower changes December 16, 2024 after review and evaluation of written requests from Lucas Oil Sportsman Series competitors. All changes are effective January 1, 2025. Only those requests received by November 19, 2024 were considered during this scheduled evaluation. Any requests received after November 19, 2024 will be reviewed during the next scheduled evaluation of 2025. Letter review is part of NHRA's commitment to evaluating in

NHRA has released the initial release of the 2025 NHRA Rulebook on NHRARacer.com. This can be found under Tech, then Rules. Rule amendments to the 2025 NHRA Rulebook will continue to be posted as needed on NHRARacer.com. Additionally, the online digital version of the 2025 NHRA Rulebook will be periodically updated to reflect changes made to the rule amendments documents. Please check NHRARacer.com periodically for notifications of amendments and rulebook updates. 73136

The NHRA Technical Department has released the 2024 to 2025 NHRA Rulebook Amendments. These amendments document the NHRA rule changes since the last digital release of the 2024 NHRA Rulebook that will come into effect beginning January 1, 2025. The 2024 to 2025 NHRA Rule Amendments can be found on NHRARacer.com, Tech, Rules, 2024 to 2025 NHRA Rule Amendments. Please visit NHRAracer.com periodically to get updates on the most recent Rule Amendments. 73137

The following action has been taken against Scott Palmer regarding missing clutch bellhousing hardware that occurred on November 1, 2024, during Q2 of the Ford Performance NHRA Nationals. Palmer has been fined Two Thousand Five Hundred dollars ($2,500) and the run was disqualified. The fine is appealable. 73134

NHRA has updated the digital version of the 2024 NHRA Rulebook to reflect all of the rule amendments made through 10/22/2024. The 2024 NHRA Rulebook can be found under the Rules section of NHRARacer.com 73127

Jerry Emmons was involved in two excessive braking incidents in his Stock entry at the Division 4 Event at the Texas Motorplex and as a result was disqualified from the event with 0 points earned. He will also lose an additional 100 Championship Points and be fined $1000 due to repeated infractions of the same nature. 73126

The following action has been taken against Joey Luttrull for his actions during the Texas NHRA FallNationals. While driving his golf cart through the Professional Pit Area, he struck an individual causing injury. This infraction carries a fine of $2500. The fine will be dedicated to enhancing the capabilities of the Safety Safari and is appealable. 73124

Based on the Holley EFI Factory X performance numbers from the 2024 season the NHRA Technical Department has made the following amendment to the supercharger section. SUPERCHARGERS Must be correct year, make and model specified & accepted for cars engine. Sandblasting, grinding, flash removal, dry film coating, or any other modification to Supercharger, intake manifold or intercooler prohibited. Intake manifold and intercooler must remain in stock, NHRA accepted condition.