I have a full-bodied, hardtop, Pro E.T car that runs 11.60’s in the 1/4-mile. I have SFI Spec. 16.1 seat belts that are punch-out dated 10/2015. Are they legal for my car?
If the Pro E.T. full-bodied, hardtop car runs slower than 11.49 in the 1/4-mile, than expired SFI Spec. 16.1 seat belts are […]
Archives for the ‘Tech Bulletin’ Category
I am putting a new engine combination together for my Top Dragster. It will be 400 cubic inches in displacement with a screw-type supercharger. I looked in the Top Dragster rules section, but did not see any limit to what overdrive I can run. Does this mean I can run as much […]
What type of ignition system am I allowed to use on my Jr. Dragster?
You must use either a magneto or battery ignition system. When a battery ignition is used, the MSD Small Engine Ignition kits 41500 and 41510 and MSD ignition unit 42231 are the only accepted units for NHRA competition.
I am just finishing up my ’41 Willys Top Sportsman car. I noticed that some cars in the class have beadlock wheels and others do not. What kind of wheels do I need to purchase?
If you plan to run 6.50 or quicker or 210 mph or faster you will need to have SFI […]
I have purchased an original 2013 ZL-1 Camaro, and, since GM is not going to release the motor or the car to run in stock eliminator, my question is can I bracket race the car as it is from the factory with no modifications in any way?
For all 2008 OEM model-year and newer unaltered production […]
If I change my fuel from gasoline to E-85 will I need different protective clothing?
In the 2016 NHRA Rulebook section 20, page 45 it reads. For unaltered full-bodied OEM vehicles with an unaltered fuel system using ethanol or methanol and unleaded gasoline fuel blends such as E-85 or gasohol the Protective Clothing requirements are […]
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?
For the […]
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?
Yes you will need two parachutes. In fact, […]
Dear NHRA Tech Department,
I wanted to put a dial in board controller in the cockpit of my sons Jr. Dragster. Am I allowed to do this? I couldn’t find anything in the rulebook in regards to having the controller in the cockpit.
Dial In Dave
Tuesday Tech Question Answer
Dial In Dave,
You cannot put the dial in board […]
Tuesday Tech Question
I am new to the Jr Dragster program and I just recently purchased a Jr Dragster chassis for my son. Do I need to have this chassis certified in order to pass tech? I also have another question, how fast can my son go in his Jr Dragster?
Jr Dragster Jim
Tuesday Tech Question Answer