Build your own junior drag racerdragster free guide. Junior dragster and junior comp are the two present models. Jegs has been your source for jr dragster parts since the beginning. Daniel reinle, paraprop thailand i am tuning 1 cyl. Engine tuning and gearing suggestions for a rater engine. The rules and regulations set forth are as complete as the midwest jr. Junior dragsters are halfscale versions of full sized top fuel drag racing vehicles with single cylinder, fivehp engines powering these long nosed racers. However, it is impossible to craft rules that cover every contingency. Here at racingjunk we have plenty of junior dragsters for sale, come check out the. As such, it provides a natural progression from a jr. Polar performance does not recommend using weights heavier than eight grams. Jan 07, 2014 this feature is not available right now. Blossom racing engines and components is one of the premier engine builders and component suppliers for nhra and ihra jr.
Engines engines engine parts fuel related clutch used chassis parts exhaust engine freshen accessories tireswheels safety equipment. Sudco mikuni tuning manual this manual is intended as a guide for users of mikuni carburetors who want to learn the basic methods of tunning and adjusting minuki high performance carburetors for peak use of power and fuel efficiency. Producing quality computer tools for racers and engine builders since 1986. There are three classes, cars and motorcycles and three jr. We will notify you of any important changes or activity on your favorite listings. We use arc cranks, rods, and flywheels in all of our huddleston performance engines. This will serve as a steppingstone between the dialin bracket racing in the jdrl to the headsup racing in the super categories. The following are tuning recommendations and may vary depending on your race car and racing program. Welcome to jr dragster parts all things junior dragster. Thunder mountain raceway has not had a track record in 6 years or so, but vanessa put her junior dragster into the record books for tmr. Dragster engines are built with an amazing attention to detail and from the best quality components available. The complete engine includes a smallbore, blockzillastyle block with a mcgee valve train, a special 24mmbore, 33mmstyle mikuni carburetor and a 3stage exhaust header. The 2020 nhra rulebook is now online and viewable by all who wish to compete in the nhra arena. Recommended oils are royal purple xpr, joe gibbs xp1, penn grade and lucas jr dragstergokart.
Each 206 racing engine is assembled by hand in milwaukee, wi. Dragster is the latest in the long line of extreme and outlaw style chassis that began in 2004. Dragster engines, clutches, wheels, tires and other junior dragster parts and components since 1995. Browse the amazon editors picks for the best books of 2019, featuring our favorite reads in more than a dozen categories. This course will be taught with both students and parents in attendance. Shop engine and engine components for your jr dragster at jegs. We offer this block separately or as a complete engine assembled. From this feedback we have made improvements to ensure this is the best hardtail junior dragster available. Tech department junior dragster, race car parts and. We will start in the classroom where we will get to know each other and begin with the very basics safety equipment and how to properly wear it, seatbelts, controls, and proper operational procedure of the car.
The right engine for you because we dont manufacture one specific block, you can trust us. In 1992 jr race car began manufacturing parts for the newly accepted nhra junior drag racing. Junior dragster racing performance data acquisition. When you join you will also get a rule book that you should look at. Weights ranging from three to eight grams are remommending for tuning a jr. With years of experience and success gained in the sportsman drag racing ranks, hoosier is now applying that knowledge to jr. Arc 6058 non hemi predator ohv billet side cover 212cc. Junior specialties, home of the fastest junior dragster.
The national hot rod association in the usa began sanctioning the class in 1991, with the jdrl junior drag racing league. Amends racing engines junior dragster carburetors mikuni. We have worked hard over the years to develop the single best clutch available for a jr. For all things jr dragster shop jr dragster parts is the starting point to your car being the best it can be. Dragsters and are halfscale versions of top fuel dragsters. Chris mcgees championship winning engines built by professionals, used by champions the chris mcgee advantage. Using a fivehorsepower, singlecylinder engine, a jr. The junior dragster is a scaleddown version of the top fuel dragster. Jr race car initially offered components such as turn key jr dragster chassis, engines.
Run synthetic racing oil only after the above engine breakin procedure has been completed. Dragster rear wheels 3spoke rear wheels sold in pairs. Check back often for new and updated tech articles. Mikuni tuning manual viperizer racing jr dragster parts. Not only do our holeshot series clutches look great, but they are second to none in performance. We have 1 arc cranks still out racing with over 800 runs on them today.
Dragster to the much faster 14mile super categories. Junior drag racing engines and components blossom racing. Jr dragster evacbreather system with this evac system you have no more use for a catch can on your jr dragster. With great products from names like mikuni, polar, blockzilla, arc, and raptor, our technology is race proven with championship winning results. Dragster clutches, axles, chains, sprockets, wheels, starters and more. Jr race car initially offered components such as turn key jr dragster chassis, engines, clutches and chassis components manufactured in house from the beginning. Dragster can go as fast as 85 mph and as quick as 7. Zr motors are machinged from a solid piece of aluminum and assembled with jr race car machined components, the zr4 engine is a fast, reliable, and proven winner.
Jr junior dragster shockwave overdrive style clutch new. The book takes a practical approach to maximizing traction through a wide variety of potential chassissuspension modifications as well as enginepowertrain optimization and tuning. Graph your functions for a detailed visual of your run and learn how all functions work together to help you race faster. James hales, tn usa, datamite user on 45 hp jr dragster and inertia dyno. This number is also valid for ihra, however if you only join ihra your track assigns you a number that will be changed at every track during tech in. Also known as the jr dragster, it reaches speeds of up to 85 mph. Rehermorrison championship engine assembly book loading. Terminator 312 racing engine complete craws racing. More advanced knowledge in these six major areas of the car design may help the designer. These cars are often powered by five horse engines pushing these. Engine rpm tachometer, jackshaft rpm, and up to two temperatures.
Due to the scratchbuilt nature of junior dragsters, the builder will find working knowledge in handling, chassis, suspension, powertrain, aerodynamic and safety useful. The clutch comes with a 12 degree stall and a 20 degree shift ramp with four gram weights on the arm. Leaving no need for unnecessary grinding on cam shafts or connecting rods. The cars were developed in new zealand in 1988, with classes developed by the new zealand hot rod association. If you join the nhra you will get a car number that you will put on your car. This evac is mounted to the head of the motor and runs oil right back into the block, releasing crank case pressure. Dj1005b ubuildit akra blk box stock kit with bsp4 cam. The author explains the incremental process of a drag racing cars launch, traction and performance. Jr race car initially offered components such as turn key jr dragster.
The internal components of our engines are the strongest in the industry. The spirit and intent of that principle is the standard by which the series is guided. Our junior dragster store has everything you need from jr. Most engine building and fellow racers will ask about tuning indicators.
The stage 2 engine with a car and driver combined weight of 325350 lbs. Instructional and how to videos to help new jr dragster families. Experience the best in data acquisition while learning about your junior dragster and driver performance. If your loved one is driving you nuts housebound from the stayathome order, get them a fuel injection manual or tuning calculator to keep them busy. The junior comp category is envisioned as being a 6. The extreme junior dragster is the result of 10 years of feedback from some of the best racers in the country. While smaller, these race cars can still do up to 85 mph on an 18 mile track although mostly, younger racers are restricted from going this fast but they are a great way for the 5 17.
With this special design, you can use your rags for something more useful than wrapping them around your air filter. Craws racing junior dragster engines and products are built in house using the best machining technology available and tested extensively on track. Jr dragster parts 558 church street, concord, north carolina 28025 rated 4. Cam analyzer port flow analyzer engine log book fuel injection calculator rotating inertia calculator. During the development process, hoosier focused on making the tire lighter than current jr. Jr dragster parts motorsports store concord, north. Unfollow jr dragster engine to stop getting updates on your ebay feed. I like vp fuels i use c12 in my golf cart with a built vtwin jr dragster engine, and wouldnt consider anything else. Blossom racing has been around since the beginning of junior dragsters and knows how to build winning combinations. Dont forget to print them off and take them to the track.
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