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Pacific Division News



NHRA Technical Department Makes Parity Adjustment Changes to the FLEXJET NHRA Factory Stock Showdown
Based on the FLEXJET NHRA Factory Stock Showdown performance numbers from the Gerber Collision and Glass Route 66 NHRA Nationals at Route 66 Raceway in Chicago, IL, the NHRA Technical Department is increasing the supercharger overdrive by changing the upper supercharger pulley for the 19-23 Chevrolet Copo 350 from 3.625 inches to 3.500 inches. This rule change will go into effect immediately. NHRA reserves the right in the future to make additional rule changes to control per
Jul 91 min read


NHRA Releases 2026 Rulebook Amendment Updates
The NHRA Technical Department has released additional 2026 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2026 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 18, Funny Car, Drivetrain: 2, Rear End, Page 7 – Rear end blanket requirements updated
Jul 91 min read


NHRA Technical Bulletin - Technical Inspection Reminder
NHRA Competitors, This is a reminder that every vehicle, all of its related components, and any related items are subject to technical inspection. This includes any data or video captured which may be used as part of our rule enforcement process. Per the 2026 NHRA Rulebook, Section 1.6.2 Technical Inspection: “Every vehicle, all of its components, and any related items, including personal protective equipment, components that are not affixed to or have been removed from the
Jul 91 min read


NHRA Technical Department Clarifies JBS NHRA Pro Mod Transmission Rules
The following changes are for 05/11/2026: See the latest amendments document for complete details. Transmission pressure manipulation, such as bypassing or dumping of line or converter feed pressure, permitted only on turbocharged entries. All pressure manipulation devices must be external. Internal pressure manipulation devices prohibited. All pressure manipulation (electronic or hydraulic) must end upon the release of the transbrake or any other device used when launchin
Jul 91 min read


Statement of Action Against Participants
test excerpt
May 81 min read


NHRA Releases 2026 Rulebook Amendment Updates
The NHRA Technical Department has released additional 2026 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2026 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. Race Procedures, Section 2, Weighing of Vehicle/Fuel Check – Updated Pro Mod, Section 6 – Parity updates P
Apr 301 min read


NHRA Updates the Digital Version of the 2026 NHRA Rulebook
NHRA has updated the digital version of the 2026 NHRA Rulebook to reflect all of the rule amendments made through 04/01/2026. The 2026 NHRA Rulebook can be found under the Rules section on NHRARacer.com
Apr 281 min read


Protective Equipment Reminder!
Please remember: your safety equipment must stay in place until you are completely clear of the racing surface and on the return road. Per Section 2, Page 1 of the 2026 NHRA Rulebook: "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." This rule is in place for your safety. Please
Apr 251 min read


NHRA Technical Department Makes Changes to the FLEXJET NHRA Factory Stock Showdown
Beginning May 1st, 2026, FLEXJET NHRA Factory Stock Showdown competitors may use ported supercharger cases. NHRA reserves the right in the future to make additional rule changes to control performance and maintain parity in the category. 2017-2018 Camaro COPO 350 • 590 HP Supercharged 2.9L Whipple • Upper supercharger pulley (3.125) inches • Lower engine pulley (8.000) inches • Overdrive ratio 2.560 2019, 2020, 2022-2023 Camaro COPO 350 • 630 HP Supercharged 2.65L Magnus
Apr 242 min read


Racer Tech Card Reminder
Before submitting your tech cards, please ensure all required information is completely filled out, including all relevant safety equipment details. This includes:• Manufacturer details • SFI specs• SFI serial numbers• Expiration dates Incomplete tech cards can delay your track time. Therefore, please take a few extra minutes to double-check everything before submitting them.
Apr 221 min read


NHRA Updates the Exhibition Rulebook Supplement
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. Ford Performance Super Cobra Jet 1800 Exhibition Vehicle SCJ1800 renamed Ford Racing Pro EV.
Apr 221 min read


NHRA Releases 2026 Rulebook Amendment Updates
The NHRA Technical Department has released additional 2026 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2026 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 19, Top Fuel, Drivetrain: 2, Rear End, Page 7 – Rear end blanket requirements updated
Apr 161 min read


NHRA Tech Department makes updates to the engine blue print specifications
April 7, 2026 The NHRA Technical Department recently made changes to the blueprint specifications. Chry 09-10 345/305 Added alternate manifold spacer Chry 09-10 370/385 Added alternate manifold spacer Chry 2010 392/375 Added alternate manifold spacer
Apr 71 min read


NHRA Releases 2026 Rulebook Amendment Updates
The NHRA Technical Department has released additional 2026 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2026 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. Junior Street, Driver: 10, Age Requirements, Page xvii – Age requirements clarified Section 4, JDRL, Class
Apr 11 min read


Horsepower adjustments following the Lucas Oil NHRA Division 4 events in Belle Rose, LA
3/31/2026 As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA Division 4 event, the following changes have been made. The horsepower rating for 1969 Chevrolet Camaro, entries with the 396 cubic inch engine and a factory rating of 375 currently rated at 405, has been increased by four horsepower, to 409 horsepower: for Stock Eliminator automatic. The horsepower rating for 1986 Chevrolet Truck, entries with the 3
Apr 11 min read


Statement of Action Against Participant
At the 2026 FMP NHRA Arizona Nationals at Firebird Motorsports Park, Steven Will recorded a run quicker than the 6.000-second index limit for Top Dragster. This violation resulted in disqualification from the event, zero points awarded, and the event counting against his total number of eligible scored events for the season.
Mar 271 min read


Statement of Action Against Participants
The NHRA disqualified Randy Eakins from the Lucas Oil Drag Racing Series event at Gainesville Raceway for refusing teardown on his Stock Eliminator entry. In addition to being disqualified from the event, Randy has been suspended from competition. At the same event, Jim Carter’s Super Stock entry was found to have loose ballast. This violation resulted in disqualification from the event, zero points awarded, and the event counting against his total number of eligible scored
Mar 211 min read


NHRA Releases 2026 Rulebook Amendment Updates
The NHRA Technical Department has released additional 2026 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2026 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, Page 7 – Neck Collar added for clarity Section 14, Top Alcohol Dragster, Page 8
Mar 181 min read


NHRA Releases the 2026 NHRA Hot Rod Heritage Racing Series Rules Supplement, 23rd Release
The NHRA Technical Department has released the 23rd edition of the 2026 NHRA Hot Rod Heritage Racing Series Rules Supplement. Unless otherwise noted in this document, the additional amendments included in this release will come into effect immediately. The 2026 NHRA Hot Rod Heritage Racing Series Rules Supplement, 23rd Release can be found on NHRARacer.com under Tech, then Rules. These changes include the following…See the latest 2026 NHRA Hot Rod Heritage Racing Series Rul
Mar 171 min read


Horsepower adjustments following the Lucas Oil NHRA Division 2 events in Gainesville, FL
3/17/2026 As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA Division 2 event, the following change has been made. The horsepower rating for 2015 Dodge Challenger Drag Pak, entries with the 354 cubic inch engine and a factory rating of 540 currently rated at 540, has been increased by nine horsepower, to 549 horsepower: for Stock Eliminator automatic. NHRA's 2026 Automatic Horsepower Factoring System outline
Mar 171 min read
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