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Pacific Division News



NHRA Releases the Initial Release of the 2027 NHRA Rulebook
Nov. 5th, 2026 NHRA Releases the Initial Release of the 2027 NHRA Rulebook NHRA has published the initial release of the 2027 NHRA Rulebook on NHRARacer.com under Tech > Rules. Rule amendments to the 2027 NHRA Rulebook will continue to be posted as needed on NHRARacer.com. Additionally, the online digital version will be periodically updated to reflect changes made to the rule amendments documents. Please check NHRARacer.com periodically for notifications of amendments and
2 days ago1 min read


UPDATED - NHRA introduces Ultra E.T. category and updated E.T. conversions for 2027
Updated - Nov. 7th, 2026 NHRA will introduce a new Ultra E.T. category and updated quarter-mile to eighth-mile elapsed-time conversions for the 2027 season, giving Sportsman competitors and NHRA Member Tracks a defined rules structure for quicker vehicles and updated performance equivalents that reflect today’s modern combinations. As vehicle performance continues to advance, Ultra E.T. will establish a defined rules structure for vehicles running quicker than 6.00 seconds
3 days ago2 min read


Statement of Action Against Participants
At the 2026 Lucas Oil event at Rockingham Dragway, Jacky Bennett recorded an elapsed time quicker than 6.000 seconds in Top Sportsman, in violation of the Top Sportsman/Top Dragster Index Enforcement Policy. As a result, Bennett was disqualified from the event, will receive zero points, and the event will be charged as one of their eligible scored events for the 2026 season. At the 2026 MOPAR NHRA Las Vegas Nationals at The Strip at Las Vegas Motor Speedway, Mike Castellana h
3 days ago1 min read


Horsepower adjustments following the MOPAR NHRA Las Vegas Nationals events in Las Vegas, NV
Nov. 3rd, 2026 As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the MOPAR NHRA Nationals event, the following change has been made. The horsepower rating for 1969 Chevrolet Nova, entries with the 396 cubic inch engine and a factory rating of 375 currently rated at 400, has been increased by three horsepower, to 403 horsepower: for Stock Eliminator manual. NHRA's 2026 Automatic Horsepower Factoring System outlines that
5 days ago1 min read


NHRA Releases the 2027 NHRA Exhibition Vehicle Rulebook Supplement, 31st Release
Oct. 27, 2026 The NHRA Technical Department has released the 2027 NHRA Exhibition Vehicle Rulebook Supplement, 31st Release overall. Unless otherwise noted in this document, the additional amendments included in this release will come into effect immediately. The 2027 NHRA Exhibition Vehicle Rulebook Supplement, 31st Release can be found on NHRARacer.com under Tech, then Rules. These changes include the following…See the latest 2027 NHRA Exhibition Vehicle Rulebook Supple
Oct 281 min read


NHRA Releases the 2027 NHRA Hot Rod Heritage Racing Series Rules Supplement, 24th Release
Oct. 27, 2026 The NHRA Technical Department has released the 2027 NHRA Hot Rod Heritage Racing Series Rules Supplement, 24th Release overall. Unless otherwise noted in this document, the additional amendments included in this release will come into effect immediately. The 2027 NHRA Hot Rod Heritage Racing Series Rules Supplement, 24th Release can be found on NHRARacer.com under Tech, then Rules. These changes include the following…See the latest 2027 NHRA Hot Rod Heritage
Oct 271 min read


NHRA Tech Department makes updates to the engine blueprint specifications
Oct. 12, 2026 The NHRA Technical Department recently made changes to the blueprint specifications. Ford 87-95 302 185-225 removed cylinder head # F1ZE-B
Oct 121 min read


Statement of Action Against Participants
Statement of Action Against Participants – 10/12/26 At an NHRA member track event at Toronto Motorsports Park, Anthony D’Aversa was found to have a vehicle with a counterfeit NHRA chassis certification tag. As a result, D’Aversa was disqualified from the event, suspended from competition at NHRA sanctioned events and NHRA member track events for one year, fined twenty-five hundred dollars ($2,500), and must successfully complete a chassis inspection prior to participating in
Oct 121 min read


NHRA Technical Department Releases the 2026–2027 NHRA Rulebook Amendments
The NHRA Technical Department has released the Initial Release of the 2026–2027 NHRA Rulebook Amendments. These amendments document the rule changes made since the last digital release of the 2026 NHRA Rulebook and outline the changes that will take effect on January 1, 2027. The 2026–2027 NHRA Rulebook Amendments can be found on NHRARacer.com under Tech → Rules → 2026–2027 NHRA Rulebook Amendments. Please visit NHRARacer.com periodically for updates on the latest rule am
Oct 91 min read


NHRA Tech Department makes updates/corrections to the Stock Car Classification Guide
Oct. 7, 2026 The NHRA Technical Department recently made changes to the Class Guide, due to clerical errors as follows. GM 98-08 multiple LS added replacement cylinder head. Ford 64-81 multiple small block added replacement cylinder head. Ford 61-70 multiple FE added replacement cylinder head.
Oct 71 min read


NHRA Tech Department makes updates to the engine blueprint specifications
Oct. 7, 2026 The NHRA Technical Department recently made changes to the blueprint specifications. Mopar 64-65, 68 383/280 - 335 added alternate intake manifold
Oct 71 min read


NHRA Technical Department Makes Parity Adjustment Changes to the FLEXJET NHRA Factory Stock Showdown
10.6.26 Based on the FLEXJET NHRA Factory Stock Showdown performance numbers from the 2026 season, the NHRA Technical Department is increasing the minimum weight for the 2021 Dodge Challenger 354 Gen-5 Whipple by 25 pounds, from 3525 to 3550. 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.
Oct 61 min read


Statement of Action Against Participants
At the 2026 Dodge NHRA Great Lakes Nationals at US 131 Motorsports Park, Jason Dietsch had a scale violation resulting in a Q1 run disqualification. Dietsch was also involved in an altercation with a fellow competitor. This violation resulted in a monetary fine of twenty-five hundred dollars ($2,500). At the same event, Shawn Reed’s Top Fuel entry was found to have improper supercharger restraint system hardware. This violation resulted in disqualification of his Q2 run. At t
Oct 21 min read


NHRA Clarifies Carburetor Rule for Stock/Super Stock
September 28, 2026 NHRA will continue to permit Pontiac Rochester Quadrajet carburetors featuring the original 1971/1972-style single-ring primary booster configuration, identified by the absence of the outer booster ring in each primary bore, in all Pontiac engine applications otherwise eligible for Rochester Quadrajet carburetors, regardless of model year, through the conclusion of the 2026 NHRA racing season. This allowance does not permit the removal or modification of
Sep 291 min read


Horsepower adjustments following the Lucas Oil NHRA Division 7 events in Bakersfield, CA
9/29/2026 As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA Division 7 event, the following change has been made. The horsepower rating for 1979 Ford Fairmont, entries with the 302 cubic inch engine and a factory rating of 140 currently rated at 158, has been increased by two horsepower, to 160 horsepower: for Stock Eliminator manual. NHRA's 2026 Automatic Horsepower Factoring System outlines that any run of 1.20
Sep 291 min read


NHRA Releases 2026 Rulebook Amendment Updates
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 2026 Rulebook Amendments document for complete details. Section 6, Pro Mod – Parity adjustments Sect
Sep 151 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 2026 season, the NHRA Technical Department is increasing the supercharger overdrive by changing the upper supercharger pulley for the 2021 Dodge Challenger 354 Gen-5 Whipple from 3.750 inches to 3.625 inches. 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.
Sep 101 min read


Statement of Action Against Participants
At the 2026 NHRA US Nationals, Pro Mod competitor Jason Collins was found to have a modified supercharger. Collins’ Q1, Q2, and Q3 runs were disqualified. In addition, Collins was fined $2,500 and assessed a 100-point championship deduction. Factory Stock Showdown competitor Taylor Dietsch was found to have an incorrect supercharger pulley. Dietsch’s Q3 run was disqualified, and he was fined $2,500. Top Fuel competitor Jacob Opatrny received a Q2 run disqualification for fail
Sep 102 min read


NHRA Tech Department makes updates/corrections to the Stock Car Classification Guide
Sept. 10, 2026 The NHRA Technical Department recently made changes to the Class Guide, due to clerical errors as follows. GM 85-87 305 155-190/275 change to 305 155-190/265 Stock Auto
Sep 101 min read


NHRA Tech Department makes updates to the engine blueprint specifications
Sept. 10, 2026 The NHRA Technical Department recently made changes to the blueprint specifications. GM 83-88 305 multiple added alternate manifolds. GM 83-88 305 multiple added alternate cylinder head.
Sep 101 min read
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