Pacific Division News

March 8, 2022 The NHRA Technical Department recently made changes to the Class Guide. Chev 572 500/500 added weight breaks 2022 72483

March 8, 2022 The NHRA Technical Department recently made changes to the blueprint specifications. Chev 2022 572 500 added intake manifold number Ford 2010 352 285 added alternate manifold Ford 2010 428 375 added alternate manifold Ford 2013 363 330 added alternate manifold Ford 2013 427 425 added alternate

NHRA has updated the electronic version of the 2022 NHRA Rulebook to reflect all of the rule amendments made through 3/1/2022. The 2022 NHRA Rulebook can be found under the Rules section of NHRARacer.com. 72479

The NHRA Technical Department has released the latest version of the NHRA Exhibition Vehicle Rulebook Supplement. The NHRA Exhibition Rulebook Supplement can be found under the Rules section of NHRARacer.com. 72470

The NHRA Technical Department has released additional 2022 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2022 NHRA Rulebook Amendments can be found under the Rules section of NHRARacer.com. 72472

3/1/2022 As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA Divisional event, the following change has been made. The horsepower rating for 1996 Chevrolet S-10, entries with the 262 cubic inch engine and a factory rating of 170 currently rated at 187, has been increased by ten horsepower, to 197 horsepower: for Stock Eliminator. NHRA's 2022 Automatic Horsepower Factoring System outlines that any run of 1.20-se

March 1, 2022 The NHRA Technical Department recently made changes to the blueprint specifications. Chev 1996 262 170 added throttle body size Chev 1987 305 165 corrected valve lift 72468

To ALL NHRA Racing Participants: Per the 2022 NHRA Rulebook, section 2, Race Procedures: Seat belts must be worn and adjusted in such a manner that the driver’s torso and head cannot extend outside the parameters of the roll cage. The loosening and removal of seat belts, helmets, gloves, window nets, lifting of helmet shield, and removal of all other safety equipment is prohibited from the time the vehicle leaves the ready line until the vehicle is on the return road. Fire bo

The NHRA Technical Department has released additional 2022 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2022 NHRA Rulebook Amendments can be found under the Rules section of NHRARacer.com. 72459

Feb. 10, 2022 After inadvertent changes to the class guide the NHRA Technical Department has postponed these updates. 2021 shipping weights will be used for the 2022 racing season. If you have any question or concerns with the current class guide please contact Pat Cvengros at pcvengros@nhra.com . AMC 64-84 corrected shipping weights to match AMA sheets BUI 62-99 corrected shipping weights to match AMA sheets CAD 55-90 corrected shipping weights to match AMA sheets Chev 5

Feb. 10, 2022 The NHRA Technical Department recently made changes to the blueprint specifications. AMC 64-84 reformatted to match class guide Buick 62-99 reformatted to match class guide Cadi 55-90 reformatted to match class guide Chev 55-22 reformatted to match class guide Chry 61-04 reformatted to match class guide

Feb. 8, 2022 After a year of researching AMA/MVMA sheets and comparing them to the NHRA Class Guide; the NHRA Technical Department recently made changes to the Class Guide. AMC 64-84 corrected shipping weights to match AMA sheets BUI 62-99 corrected shipping weights to match AMA sheets CAD 55-90 corrected shipping weights to match AMA sheets Chev 55-22 corrected shipping weights to match AMA sheets Chry 61-04 corrected shipping weights to match AMA sheets Dodg 60-21 corre

NHRA has updated the electronic version of the 2022 NHRA Rulebook to reflect all of the rule amendments made through 1/28/2022. The 2022 NHRA Rulebook can be found under the Rules section of NHRARacer.com. 72434

Feb. 8, 2022 The NHRA Technical Department recently made changes to the blueprint specifications. AMC 64-84 reformatted to match class guide Buick 62-99 reformatted to match class guide Cadi 55-90 reformatted to match class guide Chev 55-22 reformatted to match class guide Chry 61-04 reformatted to match class guide

Feb. 4, 2022 The NHRA Technical Department recently made changes to the Class Guide. Chev 376 425/425 change to 376 415/415 COPO 2022 72429

Feb. 4, 2022 The NHRA Technical Department recently made changes to the blueprint specifications. Ford 281 260 added alternate manifold 99-03 72430

The NHRA Technical Department has released the latest version of the 2022 NHRA Hot Rod Heritage Racing Series Rulebook Supplement. The only change made since the 9/22/2021 update was to add 2022 to the title. The 2022 NHRA Hot Rod Heritage Racing Series Rulebook Supplement can be found under the Rules section of NHRARacer.com. 72425

Feb. 2, 2022 The NHRA Technical Department recently made changes to the Class Guide. Ford 429-460 added alternate cylinder head 69-78 72426

Jan. 31, 2022 The NHRA Technical Department recently made changes to the Class Guide. Mopar corrected replacement heads for LA engine 68-71 72423

The NHRA Technical Department has released additional 2022 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2022 NHRA Rulebook Amendments can be found under the Rules section of NHRARacer.com. 72421