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Pacific Division News



NHRA Releases the Latest Version of the NHRA Exhibition Vehicle Rulebook Supplement
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. 72420
Jan 27, 20221 min read


NHRA announces adjustments to the AHFS program
Automatic Horsepower Factoring System (AHFS) The AHFS is used to review and evaluate runs in Stock and Super Stock for possible horsepower adjustments. The review for factor adjustments is conducted once per racing season. The data used during the review for possible reductions in hp is cumulative from the 1st National or Divisional event through the final National or Divisional event of the calendar year. Runs included in the AHFS database are limited to final qualifying r
Jan 25, 20224 min read


2022 NHRA Camping World Series and NHRA Pro Modified Online Tech Card is Now Live
NHRA Camping World Series and NHRA Pro Modified Participants, The 2022 Online Tech Card is now available online and open for submissions. You can follow the link below to fill out your Tech Card for the 2022 racing season. https://form.jotform.com/203375591127153 As a reminder, the Online Tech Card is a once-a-year submission. You are only required to completely and accurately fill out the Tech Card and submit it once a year. Please ensure that all required information
Jan 21, 20221 min read


NHRA Releases 2022 Rulebook Amendment Updates
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. 72414
Jan 20, 20221 min read


Update on the Use of Chromoly and Docol 8 Tubing
Beginning immediately, anywhere the 2022 NHRA Rulebook refers to Chromoly tubing, Docol R8 tubing is also permitted with the same dimensions. A future release of the NHRA 2022 electronic version of the rulebook will be updated to reflect this change. 72415
Jan 20, 20221 min read


Exhibition Vehicle Rulebook Supplement 1-20-2022.pdf
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. 72413
Jan 20, 20221 min read


NHRA Tech Department makes corrections to the Stock Car Classification Guide
Jan. 18, 2022 The NHRA Technical Department recently made changes to the Class Guide. Chev 396 325/358 change to 396 325/355 65-68 Full Size SS manual Chev 396 325/368 change to 396 325/365 65-68 Full Size SS manual Chev 396 325/363 change to 396 325/355 1965 SS/GT manual Chev 396 325/373 change to 396 325/365 1965 SS/GT manual Chev 396 325/335 change to 396 325/368 1967 Full Size SS auto Chev 396 325-360/358 change to 396 325-360/355 66-69 Chevelle SS manual Chev 396 3
Jan 19, 20221 min read


NHRA Tech Department makes additions/corrections to the engine blue print specifications
Jan. 18, 2021 The NHRA Technical Department recently made changes to the blueprint specifications. Chry 318 230-260 corrected combustion chamber volume 1962 Chry 318 230-260 added cylinder head casting number 62-63 72412
Jan 19, 20221 min read


NHRA Updates Electronic Version of the 2022 NHRA Ruleboook
NHRA has updated the electronic version of the 2022 NHRA Rulebook to reflect all of the rule amendments made through 12/20/2021. The 2022 NHRA Rulebook can be found under the Rules section of NHRARacer.com. 72409
Jan 12, 20221 min read


More 2021 End of Year Stock and Super Stock Horsepower Adjustments/Corrections Announced
Stock/SS Horsepower Changes complete for 2nd half rating period 2021 Engine Make CID OEM HP NHRA HP New HP Years affected Chev 350 240 270 266 1989 Camaro Stk Chev 427 425 484 479 12-13 COPO Stk Ford 302 350 350 345 2013 Cobra Jet SS auto Ford 302 350 350 345 2014 Cobra Jet SS auto Pont
Jan 11, 20221 min read


NHRA Tech Department makes additions/corrections to the engine blue print specifications
Jan. 11, 2021 The NHRA Technical Department recently made changes to the blueprint specifications. Chev added 151 98 1989 Chev added 173 125 1989 Chev added 305 170 1989 72406
Jan 11, 20221 min read


NHRA Tech Department Rescission Letter
If you believe you have an official written opinion from NHRA that allows you to use something that is not in compliance with the below , you must provide a copy of such written opinion to the NHRA Tech Department by sending it to TechDL@NHRA.com . If and to the extent that such written opinions exist, they are subject to rescission in the sole and absolute discretion of NHRA. In accordance with the NHRA Rulebook, any item not allowed under the 2022 NHRA Rulebook (includin
Jan 11, 20222 min read


NHRA announces adjustments to the AHFS program
Automatic Horsepower Factoring System (AHFS) The AHFS is used to review and evaluate runs in Stock and Super Stock for possible horsepower adjustments. The review for factor adjustments is conducted once per racing season. The data used during the review for possible reductions in hp is cumulative from the 1st National or Divisional event through the final National or Divisional event of the calendar year. Runs included in the AHFS database are limited to final qualifying r
Dec 21, 20214 min read


NHRA Releases 2022 Rulebook Amendment Updates
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. 72400
Dec 20, 20211 min read


NHRA Releases 2022 Rulebook Amendment Updates
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. 72398
Dec 16, 20211 min read


NHRA Releases the Latest Version of the NHRA Exhibition Vehicle Rulebook Supplement
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. 72397
Dec 16, 20211 min read


NHRA Tech Department makes additions/corrections to the engine blue print specifications
Dec. 16, 2021 The NHRA Technical Department recently made changes to the blueprint specifications. Chev 19-22 350 630 external oil pump permitted in Super Stock only. 72396
Dec 15, 20211 min read


NHRA Tech Department makes additions/corrections to the engine blue print specifications
Dec. 13, 2021 The NHRA Technical Department recently made changes to the blueprint specifications. Buick 1979 350 160 added alternate manifold # 14007376 Chev added 346 305-320 combinations 1998 Chev added COPO Camaro combinations 2022 Chev 16-20 LT engine added alternate cylinder heads Chev
Dec 13, 20211 min read


Horsepower Adjustments – From Competitor Requests
Horsepower Adjustments – From Competitor Requests The NHRA Technical Department released Horsepower changes December 13, 2021 after review and evaluation of written requests from Lucas Oil Sportsman Series competitors. All changes are effective January 1, 2022. Only those requests received by November 16, 2021 were considered during this scheduled evaluation. Any requests received after November 16, 2021 will be reviewed during the next scheduled evaluation of 2022. Letter
Dec 13, 20212 min read


2021 End of Year Stock, Super Stock Horsepower Adjustments Announced
2021 End of Year Stock, Super Stock Horsepower Adjustments Announced The following Stock/Super Stock horsepower changes were released December 13, 2021 produced by the Automatic Horsepower Factoring System (AHFS). This is the scheduled horsepower adjustment for this year. All changes are effective January 1, 2022. 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
Dec 13, 20212 min read
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