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Pacific Division News



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. Jet Dragster and Jet Funny Car cannot compete with other types of vehicles 73217
Jun 4, 20251 min read


Contingency Reminder – New England/Bristol Competitors
The NHRA tech trailer has contingency decals for several new partners, including Drag Stat, which joins the program this weekend. The tech trailer also has stickers for eight new companies announced in recent months. A reminder that contingency stickers must be displayed on the race car prior to eliminations round 1 at an event and remain on the vehicle for all runs in order to be eligible for payout at the end of an event. A full list of new sponsors can be found here:
May 30, 20251 min read


NHRA Tech Department makes additions/corrections to the engine blueprint specifications
May 23, 2025 The NHRA Technical Department recently made changes to the blueprint specifications. Ford 1977 302 122-137added alternate cylinder head 73211
May 23, 20251 min read


NHRA Releases 2025 Rulebook Amendment Updates
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 under Tech, then Rules on NHRARacer.com. These amendments include the following changes…See the latest amendments document for complete details. Top Alcohol Dragster and Funny Car – New supercharged nitro combinations added for 2026 73212
May 23, 20251 min read


NHRA Releases 2025 Rulebook Amendment Updates
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 under Tech, then Rules on NHRARacer.com. These amendments include the following changes…See the latest amendments document for complete details. Section 4, Jr. Drag Racing League, Support Group, Gauges, Page 17 – Added Computech Datamaxx JR gauge as a
May 21, 20251 min read


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
May 20, 20251 min read


NHRA CLARIFIES RULES PERTAINING TO NHRA ACCEPTED PISTONS
Stock/Factory Stock Showdown Competitors; Effective immediately, all Stock, Factory Stock Showdown entries are required to use OEM or NHRA accepted aftermarket replacement pistons. NHRA accepted aftermarket replacement pistons must match the piston submitted and accepted by NHRA, in dimensions, shape and appearance, without exception. The discovery of any piston that does not match the NHRA accepted aftermarket replacement piston as submitted will result in disqualification f
May 20, 20251 min read


NHRA Releases 2025 Rulebook Amendment Updates
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 under Tech, then Rules on NHRARacer.com. These amendments include the following changes…See the latest amendments document for complete details. Division Field Offices, Page iv – Division 4 and Division 5 Services Coordinator updated Section 11A, Stoc
May 12, 20251 min read


NHRA Tech Department makes additions/corrections to the engine blueprint specifications
May 12, 2025 The NHRA Technical Department recently made changes to the blueprint specifications. Ford 71-85 added missing carburetor specifications 73205
May 12, 20251 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. Jet Dragster and Jet Funny Car tires updated 73204
May 8, 20251 min read


NHRA Technical Department Makes Parity Adjustment to Top Alcohol Funny Car
Effective immediately, Top Alcohol Funny Cars using the injected nitro combination with a 3.19 and numerically lower rear gear ratio are restricted to a nitromethane content of no more than 90.5%. 73201
May 1, 20251 min read


NHRA Tech Dept Makes Rules Clarification
NHRA General Regulations 9:14 WARM-UPS It is mandatory that a driver be seated in the car in the normal driving position anytime the engine is running, unless coupler or driveline is removed from vehicle. The practice of transbrake testing, converter stalls, line-loc testing, and/or transmission warming is prohibited in all classes, in all areas of the event except in starting-line approach areas beyond staging, or unless vehicle is on jackstands. Non-compliance is grounds
Apr 29, 20251 min read


NHRA Releases 2025 Rulebook Amendment Updates
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 under Tech, then Rules on NHRARacer.com. These amendments include the following changes…See the latest amendments document for complete details. Section 5C, E.T. Motorcycle, Engine, Page 14 – Starting clarification. See Electrical, Starter for starte
Apr 25, 20251 min read


NHRA Updates the Digital Version of the 2025 NHRA Rulebook
NHRA has updated the digital version of the 2025 NHRA Rulebook to reflect all of the rule amendments made through 04/25/2025. The 2025 NHRA Rulebook can be found under the Rules section on NHRARacer.com 73199
Apr 25, 20251 min read


NHRA Announces Racetech Contingency Postings in Eight Categories
Racetech seats has joined the NHRA contingency program, effective immediately with this weekends event in Charlotte, offering postings for the following 8 categories: Stock Super Stock Top Sportsman Super Street Super Gas Factory X Factory Stock Showdown Mountain Motor Pro Stock Decals can be picked up at the NHRA tech trailer starting Friday morning and need to be on the vehicle for the start of eliminations this weekend to be eligible for a claim. 73197
Apr 24, 20251 min read


NHRA Announces Schedule Update for Top Alcohol Funny Car and Dragster
The NHRA Competition Department announced today that competitors in Top Alcohol Funny Car and Top Alcohol Dragster will now have the ability to choose which Region they claim points for at the upcoming LODRS Regional Event at World Wide Technology Raceway, October 3-4, 2025. Competitors may elect to claim this event as either a North Central or Central Region event, but not both. The change only applies to the event at World Wide Technology Raceway, and only for this season.
Apr 15, 20251 min read


NHRA Releases 2025 Rulebook Amendment Updates
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 under Tech, then Rules on NHRARacer.com. These amendments include the following changes…See the latest amendments document for complete details. Section 6, Pro Mod, Engine, Induction, Page 2 – Centrifugal supercharged limited to 11,000 rpm Section 10,
Apr 10, 20251 min read


NHRA Tech Department makes additions/corrections to the engine blueprint specifications
April 8, 2025 The NHRA Technical Department recently made changes to the blueprint specifications. Ford 1969 429 370 corrected valve size and cam lift Ford 1970 429 375 corrected valve size and cam lift 73190
Apr 8, 20251 min read


NHRA Tech Department makes corrections/updates to the Stock Car Classification Guide
April 8, 2025 The NHRA Technical Department recently made changes to the Class Guide. Ford 1969 429-370/430 change to 429 370/415 Mustang SS Ford 1969 429 370/430 change to 429 370/415 SS/GT Ford 1970 429 370/430 change to 429 375/415 Mustang SS 73191
Apr 8, 20251 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. Jet Dragster, Jet Funny Car, Jet Truck, and Wheel-stander licensing clarification 73188
Apr 7, 20251 min read
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