Pacific Division News

Stock Horsepower Correction for 1st half rating period 2016 Engine Make CID OEM HP NHRA HP New HP Years affected Chev 327 275 278 274 1966 Nova This correction is due to the 1966 327 275 having different BP Specs as compared to the 67-68 327 275. 67566

The NHRA Technical Department recently made corrections to the blue print specifications. 2010 Ford Cobra Jet 352 285 added cylinder head casting M-6049-Z304D 2010 Ford Cobra Jet 428 375 added cylinder head casting M-6049-Z304D 09-10 Dodge 426 450 corrected piston dome to .195 67557

I have a supercharged 23-T Altered that I will be running in Quick 8 at my local NHRA track and some NHRA Top Dragster. I was told that I will need a flame-retardant seat covering. Answer: You are correct. All front-engine open-bodied vehicles supercharged or turbocharged burning gas or alcohol must have a flame-retardant material-covered seat. 67432

The following Stock/Super Stock horsepower changes were released June 28, 2016 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 28, 2016. 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

After reviewing the request to adjust the AA indexes, and consulting with Sportsman Racers; the NHRA Technical Department will increase the indexes for Stock AA/S and AA/SA to 10.70, for 2016 and beyond. Part of the decision to change the indexes were due to the new Factory FS cars no longer permitted to run either class. 67556

The NHRA Technical Department recently made corrections to the class guide. 87-92 GM 350 removed Edelbrock angle plug cylinder head part numbers 60947 and 60617, due to these combinations not being available with angle plug heads. 67558

I recently purchased a Toyota Celica Pro Mod style car. I plan to run the car in the Top Sportsman class along with some local bracket races. I am looking to upgrade the wheels before I start racing the car. My question is, am I required to run beadlocks when I run Top Sportsman? Answer: For the Top Sportsman class, any vehicle that runs 6.50 and quicker or 210 mph and quicker is required to have rear wheels that meet SFI Spec 15.1. Additionally, these wheels must have

Do I need to have my competition number on the front of my car prior to running my first event? Answer: Yes you do. Per the NHRA Rulebook, “Driver numbers and class designation letters must be displayed on both side windows and the windshield. Numbers on side windows must be a minimum 4 inches high and 1 1/2 inches wide. Class designation letters must be a minimum 3 inches high and 1 inch wide. Numbers and class designation on windshield must be a minimum of 3 inches high

I am building a dragster, and I am going to have the chassis powder coated. The powder coating technician advised us to check and see if there are any rules about types of coating on the chassis, especially in regards to those finishes with texture. I read the rules, but didn't see anything to that regard. Can you please clarify? Answer: We do not have any restrictions as to the type of powder coating that can be used on your chassis. We do, however, prohibit new chassis f

The NHRA Technical Department recently made corrections to the class guide. 1970 Dodge 440 390/400 change to 440 390/382 67168

The NHRA Technical Department recently made corrections to the class guide. 1971 Chev 454 425/447 change to 454 425/424 67093

As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the division 3 event, the following changes have been made. The horsepower rating for 1975 Ford Mustang, entries with the 302 cubic inch engine and a factory rating of 129 currently rated at 134, has been increased by six horsepower, to 140 horsepower; for Stock Eliminator. The horsepower rating for 1971 Chevrolet, entries with the 454 cubic inch engine and a factory r

I have a supercharged front-engine dragster that I run in Top Dragster. Can you tell me what the fire extinguisher system requirements are for my combination? Answer: According to the 2016 NHRA Rulebook (Section 6B, page 8) you must have “a 20-pound NHRA-accepted system.” Keep in mind that the “system must be divided with a minimum one nozzle directed into the driver compartment and minimum one nozzle directed into the engine compartment.” 67031

The NHRA Technical Department has released additional 2016 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2016 NHRA Rulebook Amendments can be found under the Rules section of NHRARacer.com 67042

The NHRA Technical Department recently made corrections to the class guide. 2016 Ford Cobra Jet wheelbase107.1 change to 106.72 1977 Olds Cutlass 350 170/287 change to 350 170/270 1971 Chev Monte Carlo 454 425/420 change to 454 425/414 67029

I was told by my local NHRA Tech Inspector that I needed to weld the quick-disconnect steering wheel adapter to the steering shaft. Is it not legal to connect the adapter to the steering shaft with a bolt and locking nut? Answer: A bolt and locking nut is not a legal method to attach a quick-disconnect steering wheel adapter to the steering shaft. The adapter must be welded to the shaft. 66902

As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the LODRS division 7 event, the following change has been made. The horsepower rating for 1976 Ford Maverick, entries with the 302 cubic inch engine and a factory rating of 133 currently rated at 133, has been increased by five horsepower, to 138 horsepower; for Stock Eliminator. NHRA's 2016 Automatic Horsepower Factoring System outlines that any run of 1.20-seconds or

Based on performance numbers from the first three races of the NHRA J&A Service Pro Mod Racing Series, the NHRA Technical Department is increasing the allowable minimum weight for both Turbocharged and Nitrous assisted entries by 50 pounds. The new allowable minimum weight for Turbocharged entries will be 2,650 pounds while the Nitrous assisted entries will be limited to a minimum of 2,475 pounds. The minimum allowable weight for Supercharged entries will remain unchanged at

I am building a new Chevrolet Camaro to run in the Top Sportsman class. With the aid of nitrous, I should be able to run in the 6.5 second range at about 210 mph. Will I need to have two parachutes instead of only one? Answer: Yes you will need two parachutes. In fact, any cars running in excess of 200 mph must use dual parachutes. For more information, please reference your 2016 NHRA Rulebook and see General Regulations 4:8. 66901

As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA Southern Nationals event, the following change has been made. The horsepower rating for 1975 Ford Mustang, entries with the 302 cubic inch engine and a factory rating of 129 currently rated at 129, has been increased by five horsepower, to 134 horsepower; for Stock Eliminator. NHRA's 2016 Automatic Horsepower Factoring System outlines that any run of 1.20-seco