Pacific Division News

Stock/SS Horsepower Changes complete for 2nd half rating period 2016 Engine Make CID OEM HP NHRA HP New HP Years affected GM 305 130-145 180 177 1978 Omega, Skylark,Phoenix

At what ET are beadlock wheels required on my Top Dragster? Answer: In Top Dragster and Top Sportsman SFI Spec 15.1 rear wheels with beadlocks or liners mandatory on any vehicle that runs 6.50 and quicker or 210 mph or faster. 69145

At the five School of Automotive Machinists & Technology NHRA Factory Stock Showdown events to be held in 2017, competitors will qualify within Stock Eliminator and compete in FS/XX and FS/X class eliminations.

I HAVE AN ORIGINAL 2013 ZL-1 CAMARO CAN I BRACKET RACE THE CAR AS IT IS FROM THE FACTORY WITH NO MODIFICATIONS IN ANY WAY? IT SEEMS THE CAR MAY RUN QUICKER THAN A 12.00 IN THE QUARTER MILE. THIS IS WHERE I’M CONCERNED, I WOULD LIKE TO RUN THE CAMARO IN ONE OF THE SLOWER BRACKET CLASSES BUT I REALLY DON’T WANT TO CHANGE THE CAR FROM ORIGINAL SINCE IT’S A STREET CAR. DOES THE CAR NEED TO BE OUTFITTED WITH THE SFI SEAT BELTS AND NHRA ROLL CAGE, ETC.? ANSWER: YOUR ORIGINA

Earlier today the NHRA Technical Department released the 2016 to 2017 Hot Rod Heritage Racing Series Rules Supplement Amendments. The 2016 to 2017 Hot Rod Racing Series Rules Supplement Amendments can be found on NHRAracer.com under Rules. 69195

The NHRA Technical Department has released additional 2017 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2017 NHRA Rulebook Amendments can be found under the Rules section of NHRARacer.com 69194

The NHRA Technical Department has released the 2017 NHRA Exhibition Vehicle Rulebook Supplement. The 2017 NHRA Exhibition Rulebook Supplement can be found under the Rules section of NHRARacer.com. 69193

The NHRA Technical Department has released additional 2017 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2017 NHRA Rulebook Amendments can be found under the Rules section of NHRARacer.com 69192

Based on performance numbers from the 2016 NHRA J&A Service Pro Mod Racing Series season, the NHRA Technical Department is decreasing the minimum weight of the Nitrous assisted entries by 25 pounds. The new allowable minimum weight for Nitrous assisted entries will be limited to a minimum of 2,450 pounds. Additionally, maximum supercharger overdrive will be increased from 14.55 to 20.00 for Supercharged entries. These rule changes will go into effect immediately. 69185

I have bought a homemade Jr Dragster recently for my Daughter. I was at my local NHRA Member Track this past weekend and was informed that our carbon fiber front wheels are not legal. Is this true? Answer: On page 38 of the 2017 NHRA Jr Dragster Rulebook in the WHEELS section it states "All wheels must be constructed from aluminum, billet, or steel. All other materials prohibited." 69143

Is it legal to run my 3-wheel Can-Am Spyder motorcycle at my local NHRA Member Track on one of their test and tune days? Answer: In the 2016 NHRA Rulebook Section 4C, page 12, E.T. Motorcycle it reads “Unaltered OEM production Can-Am Spyder three-wheel motorcycle permitted. All other three-wheel vehicles prohibited.” 68713

As a tech inspector for my local track, how important is it to check the date of manufacture and expiration dates on safety related products certified to SFI Specifications? Answer: It is important to check manufacture and expiration dates on all items certified to SFI Specifications. SFI specifications are intended to enhance the product’s ability to perform the function for which it is intended. Racers are responsible for keeping all of their parts, pieces and equipme

I purchased a complete rolling 23-T altered chassis that I’m going to put a very mild 350 Chevy into and run at my local NHRA Track. If I run in the mid 10 second range what chassis rules will I need to follow? Answer: General Regulations section 20 page 26 of the 2016 NHRA Rulebook shows an illustration for a 10 second and slower 1/4-mile (6.40 1/8-mile) chassis and the chart at the bottom lists the minimum tubing O.D. and wall thickness for mild steel or chromoly. 68

The NHRA Technical Department released Horsepower changes December 19, 2016 after review and evaluation of written requests from Lucas Oil Sportsman Series competitors. All changes are effective January 1, 2017. Only those requests received by November 15, 2016 were considered during this scheduled evaluation. Any requests received after November 15, 2016 will be reviewed during the next scheduled evaluation of 2017. Letter review is part of NHRA's commitment to evaluating in

The following Stock/Super Stock horsepower changes were released December 19, 2016 produced by the Automatic Horsepower Factoring System (AHFS). This is the second of two scheduled horsepower adjustments for this year. All changes are effective January 1, 2017. 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 da

I’m going to put a roll bar in my Pro ET Camaro and in the next couple of years will upgrade to a roll cage. What size tubing do I need to use to get it started correctly? Answer: The roll bar needs to be made of minimum 1 3/4” X .118 mild steel or .083 chromoly tubing. When you make the roll bar into a roll cage the additional tubing can be 1 5/8” X .118 MS or .083CM. 68710

The change is to allow the use of a solid lifter in place of a hydraulic; you may not replace a flat tappet with a roller. 69150

I have a Pro ET 1985 Camaro that has an OEM floor and firewall and runs 10.80 with a rollbar. This winter I would like to stiffen the car up by making it into a complete rollcage and it should run in the low 10’s. In reading the 2016 NHRA Rulebook I see if I run 10 seconds and slower and under 135 MPH I do not need an SFI 27.1 window net. Am I reading it correctly? Answer: That is correct; 10 seconds and slower and less than 135 MPH does not require a window net 68709

The NHRA Technical Department has released additional 2017 Rule Amendments. Unless otherwise noted in this document, these additional amendments will come into effect immediately. The 2017 NHRA Rulebook Amendments can be found under the Rules section of NHRARacer.com 69142

For the 2017 NHRA Drag Racing season, I am changing my Top Dragster over to a dry sump oil system. I am getting ready to fit the appropriate oil lines. I heard that these lines have to be tested. Could you please explain? Answer: Section 6A page 2 of the 2016 NHRA Rulebook reads "all flexible-pressure oil line, excluding return lines and any line30psi or lower in pressure, must pass a minimum 300 psi test for 30 seconds with no indications of separation, weeping, leaki