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Pacific Division News



Tuesday Tech Question presented by Evans Coolant
Question: What are the rules for towing a Jr Dragster? Answer: Jumping Jr Jack, In the 2019 NHRA Jr Dragster Rulebook Section 9 Support Group, page 40 it reads “Anytime a Jr Dragster is being towed, the driver must be seated in the cockpit. A fluorescent or brightly colored flag, attached to Jr Dragster anytime vehicle is towed, mandatory. Minimum height above ground when attached, 5 feet. A Jr Dragster may not be pushed by any motorized vehicle. Tow strap may not
Jul 2, 20191 min read


NHRA Technical Department Makes Parity Adjustments to the SAMTech.edu NHRA Factory Stock Showdown
Based on the SAMTech.edu NHRA Factory Stock Showdown performance numbers from the first five races of the 2019 season, the NHRA Technical Department is reducing the minimum weight for all pre-2019 Chevrolet COPO and Ford Cobra Jet combinations from 3,525 lbs. to 3,450 lbs. Additionally, the 2019 Cobra Jet 327 combination upper supercharger pulley size will be increased from 3.750 inches to 4.000 inches and the 2015 Drag Pak 354 combination upper supercharger pulley will be de
Jun 27, 20191 min read


NHRA Tech Department makes corrections to the Stock Car Classification Guide
June. 26, 2019 The NHRA Technical Department recently made changes to the Class Guide, due to clerical errors as follows. Engine OEM NHRA Make CID HP HP New HP Years Affected Transmission Dodge 426 425 455 450 1968 M/T & A/T Ply 426 425 455
Jun 26, 20191 min read


2019 Mid Year Stock, Super Stock Horsepower Adjustments Announced
The following Stock/Super Stock horsepower changes were released June 26, 2019 produced by the Automatic Horsepower Factoring System (AHFS). This is the first of two scheduled horsepower adjustments for this year. All changes are effective June 26, 2019. 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. The AHFS is a program based on actual run data comp
Jun 26, 20192 min read


NHRA Tech Department makes corrections to the engine blue print specifications
June. 26, 2019 The NHRA Technical Department recently made changes to the blueprint specifications. Chry-2009 Correct intake valve size Chry-2010 Correct intake valve size Ford-2011 Delete head part #’s Ford-2012 Delete head part #’s Ford-2013 Delete head part #’s – List heads that are CNC Ford-2014 Delete head part #’s Ford-1968 Correct cam specs Ford-1984 Correct Bore/Stoke specs Ford-1985 Correct Bo
Jun 26, 20191 min read


Tuesday Tech Question presented by Evans Coolant
Question: I will be running a high 10-second 32 Bantam at my local NHRA Member Track and I wanted to know if I need to wear arm restraints since it will not run quicker than 9.99. Answer: In the 2019 NHRA Rulebook Section 4A, page 8, Driver 10, Arm Restraints, it reads “Mandatory in open-bodied cars running 11.99 (*7.49) or quicker.” 71394
Jun 25, 20191 min read


Tuesday Tech Question presented by Evans Coolant
Question: I want to add an Accu-sump system to my 8-second E.T. car. Can I mount it on the inside of the passenger side firewall below the dash? Answer: No, you may not mount it in the driver’s compartment. In the 2019 NHRA Rulebook section 21, page 9, 1:9 Oil System it reads “Accu-sump , dry-sump tanks, oil filters, oil supply lines, etc. prohibited in driver’s compartment.” 71393
Jun 18, 20191 min read


Horsepower adjustments following the NHRA Lucas Oil Division 5 event in Denver, CO
6/18/2019 As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA Division 5 event, the following change has been made. The horsepower rating for 1965 Chevrolet Corvette, entries with the 327 cubic inch engine and a factory rating of 350 currently rated at 288, has been increased by ten horsepower, to 298 horsepower; for Stock Eliminator. NHRA's 2019 Automatic Horsepower Factoring System outlines that any run of 1.
Jun 17, 20191 min read


NHRA Releases Stock / Super Stock Slow Averages Through TK-1
http://www.nhra.net/2019/images//Slow Averages TK12019.xls
Jun 14, 20191 min read


NHRA Releases 2019 Rulebook Amendment Updates
The NHRA Technical Department has released additional 2019 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2019 NHRA Rulebook Amendments can be found under the Rules section of NHRARacer.com 71542
Jun 12, 20191 min read


Tuesday Tech Question presented by Evans Coolant
Question: I have a 1957 Chevy that I’m building for the NHRA Super Street class. I’m going to install fiberglass lift off doors. Are there any special rules that I will need to follow. Answer: In the 2019 NHRA Rulebook section 8, Super Street, page 4-5, Body: it reads “Door hinges on any lift-off door must have safety pins or locks.” 71392
Jun 11, 20191 min read


Tuesday Tech Question presented by Evans Coolant
Question: I have a slightly modified Snowmobile that I run at my local NHRA track in the motorcycle class. I wanted to know if I could add a small nitrous oxide system to my sled? I don’t believe it will run any quicker than 10.20 in the ¼-mile with nitrous. Answer: It is permitted for you to add a commercially available nitrous oxide system to your E.T. Snowmobile. Commercially available, thermostatically controlled, blanket-type warmer accepted. Any other external
Jun 4, 20191 min read


Tuesday Tech Question presented by Evans Coolant
Question: I’m building a rear engine dragster for Super Comp and one of my crew members said that he thought my brake line needed to be run inside of tubing where it passes the engine. Is this correct? I will be using steel braided brake line. Answer: No, that is not correct. In the 2019 NHRA Rulebook, section 21 General Regulations, page 16-17, 3:1 Brakes it reads “All brake lines on any rear-engine car must be protected inside tubing or be braided steel constructio
May 28, 20191 min read


Horsepower adjustments following the NHRA Lucas Oil Division 1 event in Reading, PA
5/28/2019 As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA Division 1 event, the following change has been made. The horsepower rating for 2014 Ford Cobra Jet, entries with the 302 cubic inch engine and a factory rating of 350 currently rated at 372, has been increased by thirteen horsepower, to 385 horsepower; for Stock Eliminator. NHRA's 2019 Automatic Horsepower Factoring System outlines that any run of 1.20-
May 28, 20191 min read


NHRA Releases Stock / Super Stock Slow Averages Through RV-1
http://www.nhra.net/2019/images//Slow Averages RV12019.xls
May 23, 20191 min read


NHRA Technical Department Makes Parity Adjustment and Other Rule Changes to the SAMTech.edu NHRA Factory Stock Showdown
Based on SAMTech.edu NHRA Factory Stock Showdown performance numbers from the first three races of the 2019 season, the NHRA Technical Department is reducing the minimum weight for the 2015 Drag Pak combination from 3,575 lbs. to 3,500 lbs. Additionally the 2019 Cobra Jet 351 supercharger overdrive is being reduced by (17.9) percent from (150.0) percent to (132.1) percent. To accomplish the supercharger overdrive reduction on the 2019 Cobra Jet 351, the upper supercharger pul
May 23, 20191 min read


Tuesday Tech Question presented by Evans Coolant
Question: Is there a requirement on the size of traction bar rod ends I can put on my Pro ET truck? Answer: Yes there is, in the 2019 NHRA Rulebook in the General Regulations section 21, pages 17-18, 3:5 Traction Bar Rod Ends it reads “Minimum requirement for rod ends on the front of all ladder-bar traction bars is ¾-inch steel. A rod end strap to keep ladder bar secured in the event of rod end failure mandatory in all classes. All traction devices that are not attach
May 21, 20191 min read


Tuesday Tech Question presented by Evans Coolant
Question: I was thinking about installing a removable steering wheel adapter on my Pro ET car. What NHRA rules would I need to follow? Answer: NHRA Classes 7.50 and quicker in the ¼-mile require the steering wheel hub to be certified to SFI spec 42.1. For your Pro ET car in the 2019 NHRA Rulebook section 21 page 17, 3:3 Steering it reads “Commercially available quick-disconnect steering wheels permitted (except as noted in class requirements). Adapter must be weld
May 14, 20191 min read


NHRA Announces New Acceptance Processes
Today NHRA has announced four new Acceptance Processes. These Acceptance Processes are as follows: NHRA Components Acceptance Process, NHRA Annual Components Acceptance Process, NHRA Stock, Super Stock and Factory Stock Showdown Vehicle Model Acceptance Process and NHRA Top Alcohol Dragster, Top Alcohol Funny Car, Pro Mod, Pro Stock Motorcycle, Pro Stock, Top Fuel Dragster and Funny Car Body Acceptance Process. These Acceptance processes can be found on NHRARacer.com under N
May 10, 20191 min read


NHRA Component Acceptance Process
NHRA Component Acceptance Process NHRA Annual Component Acceptance Process NHRA S-SS-FSS Acceptance Process NHRA TF-TAD-TAFC-PS-PSM-PM Body Acceptance Process 71492
May 10, 20191 min read
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