CONGRATULATIONS GRAND NATIONAL
SUPER TRUCK |
6/21/2009 I could not load the video on YouTube due to the length. Can only upload a video under 10 minutes long and this video is about 15 minutes. |
Official QSAC Announcements To turn off multimedia in Internet ExplorerBy default, Internet Explorer displays multimedia (such as pictures, videos, or sounds) used on webpages. You can turn off multimedia if you want to increase the speed at which the page loads or if you use a screen reader. Here's how:
Notes
Thank you |
|---|
All rights reserved © QSAC
The new company The QSAC of the Present |
All rights reserved © QSAC
|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
All rights reserved © QSAC
2009 QSAC Rulebook version 1-21-09
2008 QSAC Rulebook revised 8-4-08
2008 QSAC Rulebook revised 4-28-08
All rights reserved © QSAC



































TECHNICAL SPECIFICATIONS: SPRINT CAR
CHASSIS
Car must resemble a “World of Outlaws” or “USAC” Sprint Car and meet all dimensional specifications as shown below:
![]()
WEIGHT:
22 pounds minimum (empty fuel tank). (1.11.2009)
SUSPENSION & DRIVETRAIN
All cars must be straight axle, front and rear. This is to mean no independent suspension.Suspension may be Coil Over and/or Torsion Bar.
Maximum of (4) shock absorbers.
Rear End Differentials (ball diffs, floater hubs) are allowed but not required.
Quick Change Gear Rear Ends (Skellenger, New Era, etc.) are allowed but not required.
BODY & WINGS
A scale appearing hood, tail tank, and top wing are required. Front wing is optional.Top wing must be mounted so that the bottom surface of the top wing (point closest to the top of the cage) is a minimum of 1.50” above the roll cage.
No side foils, rudders, or panels are to extend beyond rear cage support bars.
Wings may be constructed of any material but must be flexible with no sharp edges.
Wings must meet all dimensional specifications as shown below:
![]()
BUMPERS AND NERF BARS
Nerf Bars are required on both the left and right side of the car and must be scale appearing. Nerf Bars may extend up to .75” past the outside edge of tires.Front Bumper is recommended but not required. If used; must be scale appearing, not to exceed the width of the main frame rails, and not to extend more than 2” from the front of the main frame.
Rear Bumper is required and must be scale appearing.
If during a race the bumpers or nerf bars are damaged in an accident to the point of being a hazard to other competitors, the parts can be removed to finish the race but must be on the car as required to start the race.
CAR NUMBERS
Car numbers must appear on outside of the top wing sideboards and both sides of the tail tank. Numbers must be a minimum of 3” high and clearly visible from the scoring stand during races.
SCORING TRANSPONDERS
Scoring transponders (personal or track transponder) must be mounted behind the center line of the front axle.
ENGINE
Must conform to all ENGINE requirements under the QSAC GENERAL SPECIFICATIONS.Allowed Engines:
Zenoah G23RC/G230RC (versions A & B)
Zenoah G2D-70 (both two-ring and single-ring versions)
EXHAUST
Must conform to all EXHAUST requirements under the QSAC GENERAL SPECIFICATIONS.Stock Zenoah Mufflers only. Tuned expansion chamber exhaust systems, “pipes”, etc. are NOT allowed.
Exhaust may be redirected by use of a piece of 1.00 inch (ID) or larger hose or tube. Hose or tube that extends past the outside perimeter of the basic chassis must be located below the top main chassis rail (not the roll cage), within the perimeter of the right and left side nerf bar, and must not extend past the rear axle. Body panels that extend down the bottom frame rail can be trimmed to accommodate exhaust systems clearance.
CARBURETOR
Must conform to all CARBURETOR requirements under the QSAC GENERAL SPECIFICATIONS.The Walbro WY-1 Series, (-1, -16, etc) or the Walbro WYK Series (32, 51,194) carburetors are allowed with a 10.5 restrictor / adaptor plate, two gaskets mandatory and no sealant. See page 20 (look under Carburetors for ordering information) The plates are mandatory.
CLUTCH
Must conform to all CLUTCH requirements under the QSAC GENERAL SPECIFICATIONS.
FUEL
Gasoline only per QSAC GENERAL SPECIFICATIONS.
FUEL SYSTEM
Maximum 8 oz. capacity fuel tank and will be mounted within the perimeter of the main frame rails.All fuel lines and filler lines must be .125” inch maximum ID.
Maximum fuel line length of 30 inches which includes a maximum of two .125 inch ID x .50 inch OD x 1.25” long fuel filters, fill, feed, return and vent lines. Tubing located inside the fuel tank is excluded from this measurement.
WHEELS / RIMS
All wheels / rims must be scale appearing.Wheel Diameter (measured at the bead):
All wheels must be 3.50” minimum / 4.00” maximum diameterWheel Width (measured at the bead):
Left Front: 2.00” minimum / 2.75” maximum width
Right Front: 2.00” minimum / 2.75” maximum width
Left Rear: 2.50” minimum / 3.00” maximum width
Right Rear: 3.00” minimum / 4.00” maximum widthMinimum 2 lugs per wheel.
Knockoff style wheels and hubs are allowed but not required.
TIRES
Sprint Cars must use the QSAC approved right front tire-bands. Approved compounds for all tires are the same as the Stockcar and Super Truck classes as described in the TIRES AND WHEELS requirements under the QSAC GENERAL SPECIFICATIONS.Spike tires are allowed for dirt use only.
Sidewall / Host Width:
Left Front Host: 2.00” minimum / 2.875” maximum width
Right Front Host: 2.00” minimum / 2.875” maximum width
Left Rear Host: 2.50” minimum / 3.75” maximum width
Right Rear Host: 3.00” minimum / 4.50” maximum width
Tread / Band Width:
Left Front: 2.00” minimum / 2.75” maximum width
Right Front: 2.00” minimum / 2.75” maximum width
Left Rear: 2.50” minimum / 3.25” maximum width
Right Rear: 3.00” minimum / 4.00” maximum widthTire Circumference:
The Right Rear tire must have a minimum circumference (rollout) of 17” before and after race.
Unless otherwise listed, all requirements from the QSAC GENERAL SPECIFICATIONS apply.
All rights reserved © QSAC
2009 QSAC Calendar |
February...First Newsletter March 20 – 21...QSAC Showdown N.C.S. (Western District Race #1) Hosted by: Boulder RC Speedway, Boulder Nevada. April 17 – 18...QSAC Showdown N.C.S. (Central District Race #1) Hosted by: DFW Speedway, Dallas / FT Worth, Texas. April...Second Newsletter (Online Version Only) May 15 – 16...QSAC Showdown N.C.S. (Eastern District Race #1) Hosted by: Lagoon Park Raceway, Montgomery, Alabama. June 12 – 13...QSAC Showdown N.C.S. (Central District Race #2) Hosted by: Machesney Park Raceway, Rockford, Illinois. June...Third Newsletter July 17 – 18.... QSAC Showdown N.C.S. (Western District Race #2) Hosted by: Milestone Park, Riverside, California. July 31 – Aug. 1st ... QSAC Dirt Oval Nationals. Hosted by: Timberline Raceway, Miami County, Kansas. August 1st...Deadline for 2010 QSAC Suggestions August 1st...Mail out Co-Chair ballot and 2009 QSAC Questionnaire This will be the only mass mailing to the QSAC membership. September 1st...Deadline for QSAC Co-Chair Ballot September 18 – 19.. .QSAC Showdown N.C.S. (The Final Showdown). Hosted by: Freddie’s Hobbies, Ravenna, Ohio. September...Fourth Newsletter (Online Version Only) October 1st ...Deadline for 2009 QSAC Race Event Bid Package December 1st...2010 Rules Package announced December 1st...2010 QSAC Race Locations announced December.....Fifth Newsletter |

2008 QSAC Points Standings |
![]() |
All rights reserved © QSAC
Open Photo Gallery
Here you will find pictures taken at races and events around the country. There are many albums and pictures to choose from and you are welcome to download them to your PC.
Go to YouTube Videos
This is probably the largest collection of 1/4 scale raceing video in the country. Here you can view races from all over the USA.
If you have video or pictures you would like added to the above site, please send them to Scott or myself with any discriptions or captions you would like attached.
Carolina RC Complex |
|
Contact: 4148 Calhoun Memorial Hwy.
|
![]() |
J&M Raceway - Clover |
|
|
![]() |
Lagoon Park Raceway |
|
Home to the Capital City Racing Club
Personal Transponders Required for Racing at Lagoon Park R/C Raceway
|
![]() |
Freddies Hobbies |
|
Contact: 100 Romito St. Ravenna, Ohio 44266 Web Site: http://www.freddiesasphaltoval.com/index.html Track Spec's: Run Line: 420 feet, |
![]() |
DFW Speedway |
|
|
![]() |
Veterans Park Speedway |
|
Contacts: E-Mail: rwwheels@netamumail.com
|
![]() |
MPR |
|
|
![]() |
Hideaway Speedway |
|
Isanti, Minnesota 25363 University Ave NE Isanti, MN 55040 Contact: 763-444-4804/763-444-4011 (Fax 763-444-6149) General E-mail: DOES NOT WORK hidawaysp@aol.com |
![]() |
Funtime Park R/C Raceway |
|
Located behind
Funtyme Amusement Park |
![]() |
Indy Quarter Scale Racers
|
|
|
![]() |
SANDIA MOTOR SPEEDWAY - Thunder Mesa |
|
|
![]() |
Boulder City Raceway |
|
1101 Quail Dr. Contact: |
![]() |
NORTHWEST R/C SPEEDWAY |
|
2881 E. Sagemoor Road Web Site:http://www.wsqsa.us/
|
![]() |
Milestone Ranch MX Park, Inc |
|
12685 Holly Street Riverside, California 92509 Contact: Larry Cross 909-887-9771 Email: Larry@quarterscalemotorsports.com Milestone Ranch Website: http://www.milestonemx.com/ QSM Website: http://www.quarterscalemotorsports.com/ |
![]() |
The Grand Daddy of 1/4 Scale |
|
|---|---|
Rick Binnicker |
QuarterScale MotorSports |
|
QuarterScale MotorSports, is dedicated to the promotion of QuarterScale racing primarily in the California, Nevada and Arizona areas. QuarterScale MotorSports, provides quality, new and pre-owned Quarter Scale race cars for the entry level racer, as well as parts for the seasoned veterans. Larry Cross, Founder and President, personally oversees that each customer will be 100% satisfied with their purchase, whether it be a $0.50 bolt, or a complete, race ready car.
|
![]() |
Cat 5 Manufacturing |
|
Scott Paluchniak 6289 N. 150 East Monon IN 47959 Phone: 832-928-3543 Email: cat5mfg@quarterscalecar.com Disruptor Stock Cars / Super Trucks Website: http://www.quarterscalecar.com |
![]() |
Pro 1 Racing |
|
|
![]() |
Bob's Motorsports |
|
We Race what we SellAllow me to introduce myself...... I am Bob Leydecker, Owner of BOB'S MOTORSPORTS in Henderson, NV. Strickly out of passion for our great hobby,we are commited to making the Bullseye line of 1/4 scale cars the best on the market. E-mail: bullseyecarmfg@hotmail.com |
![]() |
Bishop Racing Products |
|
Todd Bishop
|
Company Name |
Contact |
Address |
Email
|
Phone Number |
Website |
| J&M Hobbies | Jeff or Melyssa | Jeff@jandmhobbies.com Melyssa@jandmhobbies.com |
864-580-3846 864-680-4579 |
http://www.jandmhobbies.com/ | |
| QS Components, Inc. | 1900 W. Mount Pleasant Blvd Unit A Muncie, IN 47302 |
info@qscomponents.com | 888-871-1210 | http://www.racingrodends.com/ | |
| Willmann Racing Products | 10500 Raymond Rd. Lincoln, Ne 68517 |
MWill4x@aol.com | 402-786-5513 | http://www.willmannracingproducts.com/ | |
| Knox Motorsports | Bob Knox | knoxmotorsports@gmail.com | http://knoxmotorsports.com/ |
All rights reserved © QSAC
Name |
Website |
| Hobby Talk | http://www.hobbytalk.com/bbs1/forumdisplay.php?f=227 |
| Starting Grid | http://www.sgrid.com/SGM/index.php |
| Tower Hobbies | http://www.towerhobbies.com/ |
| Luddenham Quarter Scale Speedway | http://luddenhamquarterscalespeedway.com/ |
| West Oz 1/4 Scale Speedway Association | http://www.westozquarterscale.com/ |
| FTX Quarter Scale Racing | http://www.ftx-qs.com/ |
| Quarterscale Legends | http://www.quarterscalelegends.com/ |
| QSAC West | http://www.QsacWest.com |