Pacific Division News

Aug. 10, 2020 The NHRA Technical Department recently made changes to the blueprint specifications. Ford 428-375 adding piston information 2010 Ford all added complete cylinder head casting numbers 2010 71934

8/10/2020 As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA Division 3 event, the following changes have been made. The horsepower rating for 2010 Ford Cobra Jet, entries with the 330 cubic inch engine and a factory rating of 500 currently rated at 500, has been increased by thirty seven horsepower, to 537 horsepower; for Stock Eliminator. NHRA's 2020 Automatic Horsepower Factoring System outlines that any run of

Aug 4, 2020 The NHRA Technical Department recently made changes to the blueprint specifications. Ford 227-260 corrected intake casting numbers 11-14 Ford 227 260 corrected cylinder head casting numbers 11-14 Ford 227-260 added alternate intake casting 12-14 71927

Aug. 4, 2020 The NHRA Technical Department recently made changes to the Class Guide, due to clerical errors as follows. AMC 1968 corrected shipping weights for all body platforms 71928

The NHRA Technical Department has released additional 2020 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2020 NHRA Rulebook Amendments can be found under the Rules section of NHRARacer.com. 71923

Based on the SAMTech.edu NHRA Factory Stock Showdown performance numbers from the Lucas Oil NHRA Summer Nationals at Indianapolis, the NHRA Technical Department is reducing the 2019 Cobra Jet 327 supercharger overdrive by changing the upper supercharger pulley from 4.00 inches to 3.750 inches and changing the lower engine pulley from 8.00 inches to 6.938 inches. The 2019 and 2020 COPO supercharger overdrive will also be reduced by changing the upper supercharger pulley from 3

Based on the SAMTech.edu NHRA Factory Stock Showdown performance numbers from the Lucas Oil NHRA Summer Nationals at Indianapolis, the NHRA Technical Department is reducing the 2019 Cobra Jet 327 supercharger overdrive by changing the upper supercharger pulley from 4.00 inches to 3.750 inches and changing the lower engine pulley from 8.00 inches to 6.938 inches. The 2019 COPO supercharger overdrive will also be reduced by changing the upper supercharger pulley from 3.580 inch

July 28, 2020 The NHRA Technical Department recently made changes to the blueprint specifications. AMC all added complete cylinder head casting numbers 1968 71910

July 28, 2020 The NHRA Technical Department recently made changes to the Class Guide, due to clerical errors as follows. AMC 1968 corrected shipping weights for all body platforms 71911

July 21, 2020 The NHRA Technical Department recently made changes to the Class Guide, due to clerical errors as follows. Chev 1969 corrected shipping weights for all body platforms Ford 1979 added Zephyr Ford 1979 added Fairmont 302/143 71903

July 21, 2020 The NHRA Technical Department recently made changes to the blueprint specifications. Ford reformatted to match class guide and AMA sheets 1979 71902

All NHRA Technical Department operations will resume Monday, June 29, 2020. Response to technical emails and phone calls will resume at that time. All other activities such as (Automatic Horsepower Factoring System, Component Submittal/Acceptance Process, duplication of record certificates etc.) will also resume. 71880

Any chassis due for inspection prior to January 1, 2020 needs to be re-inspected before they can run their car. Any new chassis will be permitted to use the 90 day chassis inspection form process. Any chassis expiring January 31, 2020 must be re-inspected by June 30, 2020. Any chassis expiring February 29, 2020 must be re-inspected by July 31, 2020. Any chassis expiring March 31, 2020 must be re-inspected by August 31, 2020 Any chassis expiring April 30, 2020 through Septembe

In an effort to maintain parity the NHRA Technical Department will implement the following changes for the E3 Spark Plugs Pro Mod Drag Racing Series Presented by J&A Service at the Dodge Mile-High NHRA Nationals Presented by Pennzoil. These changes will only be in effect during the Denver event. Supercharger and ProCharger entries maximum (numeric) rear-end gear ratio 5.00 -to- one. Roots Type Supercharger entries maximum supercharger overdrive limit is 20 percent. Turbochar

The NHRA Technical Department has released additional 2020 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2020 NHRA Rulebook Amendments can be found under the Rules section of NHRARacer.com. 71858

In light of the current Coronavirus COVID-19 pandemic, The NHRA is announcing the following changes to our Chassis Inspection process and our Chassis and Technical Inspector Testing process.

Due to the current coronavirus pandemic, the NHRA Technical Department operations are temporarily suspended until further notice. Response to technical emails and phone calls will not take place until we return to work. Activities such as (Chassis inspections, Automatic Horsepower Factoring System, Component Submittal/Acceptance Process, duplication of record certificates etc.) will also be suspended until we return. If you have any rulebook questions during this time, please

March 31, 2020 The NHRA Technical Department recently made changes to the blueprint specifications. Ford 427 corrected intake casting numbers 1966 71816

The NHRA Technical Department has released additional 2020 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2020 NHRA Rulebook Amendments can be found under the Rules section of NHRARacer.com. 71810

March 30, 2020 The NHRA Technical Department recently made changes to the blueprint specifications. Chev added complete casting numbers 64-70 Chev added missing casting numbers 67-70 71808