Quarter Modified

1. Minimum age 15 - $10.00 entry fee.

Car and driver must weigh 750#.

One heat and A-main race format 


2. Chassis & Cage:
Cage diameter must be 1.25” diameter X 0.070” wall thickness minimum.
Must be Mild Steel, Chromoly or DOM Tubing.

Windshield 3/8” bars in front of drivers allowed.

No suspension, No shocks, springs, coil‐over or micro suspension ALLOWED.

Tubing thickness will be tech item. 


3. Wheel Base:

Wheel base cannot be any shorter or longer than TBA" (+ or -) an inch.

The track width cannot be any wider than TBA" MAX outside of tire to outside of tire, or outside of body.


4. Body:

Modified bodies only, can be topless modified body.


5. Bumpers:

Bumper material must be 1.250” O.D. x 0.070” wall thickness maximum.
Must be no wider than car and must be turned in towards frame or capped with clean edges.
Front and Rear bumpers must extend minimum 12” from the frame.


6. Wheels:

Any 8” O.D. aluminum or steel wheel with 4 on4 blot pattern allowed.

Any offset allowed.
Bead‐locks are allowed.


7. Rear Axle:

Any 1.250” rear axle allowed. Axle must be solidly mounted with bearing cassettes and hangers.


8. Tires:

Any 8” O.D. max. Tread tire allowed.
No Slicks ALLOWED
No prepping tires allowed Grooving and Siping allowed
 

9. Brakes:

Brakes allowed on rear axle only.
NO FRONT BRAKES 


10. Steering:

Any kart steering allowed.
Rack and pinion steering allowed.
Steering quickeners allowed 


11. Fuel:

110 or less Octane only.
No performance Additives or Nitro products
Fragrances are allowed 


12. Engine:

Kawasaki Ninja 500R must be stock 500cc

Engine Claim Rule:
$600 engine claim. Chain guard, air filter and adapter, fuel pump, header and muffler DO NOT GO WITH CLAIM!!

You are only allowed to claim 2 engines per season. 

 

Engine option 2:

460cc 25hp engine from Vegascarts.com must remain sealed from Vegas carts. No-internal modifications.

4” aftermarket air filter and adapter allowed.

No elbow or extension tubes.

Flywheel may be upgraded to Vegas carts part# ARC6622 billet flywheel.

Engine Claim Rule:
$600 engine claim. Chain guard, air filter and adapter, fuel pump, header and muffler DO NOT GO WITH CLAIM!!

You are only allowed to claim 2 engines per season.


13. Safety:

Full fire suit Mandatory. Fire suit can be one or two pieces. Neck brace, gloves, and racing shoes  or boots are mandatory.
Must have either window net or arm restraints.
5‐point harness securely attached to chassis. High back Aluminum racing seat must be securely  attached to chassis.
Helmets must be M2000 or SA2000 or newer. DOT helmets are allowed.
Helmet must be full faced with shield.
Topless Karts must wear Arm Restraints mandatory.

Raceceiver Mandatory

image144
image145

Car Specifacations

  

1. Chassis + Cage:

Cage size is 1-1/4" min @ 0.70 wall thickness min. Must be mild steel, Chrome Molley or DOH tubing. See diagram at bottom of page for for information on chassis. The thickness will be checked.

2. Wheel Base:

Wheel base cannot be any shorter or longer than 54" (+ or -) an inch. The track width cannot be any wider than 63" MAX outside of tire to outside of tire, or outside of body.

3. Body:

Bodies cannot exceed wider than 63" or shorter than the 42" min height, and no shorter than 102" min length. No modified bodies allowed. Must have full fenders and nose piece. Topless karts are allowed.

4. Bumpers:

 Bumpers max O.D. will be 1-1/4" @ 0.70 wall thickness.They cannot be any wider than 60" and must be turned into the frame or capped with clean edges. Bumpers outside the nose and tail pieces must be O.D. 1-1/4 @ 0.70 wall thickness max and cannot be any wider than 36" MAX, these must be capped and with clean edges. Front and back bumpers must be 12" min. off the frame.

5. Wheels:

 Any 8" O.D. Wheels allowed, steel or aluminum. Bead locks are allowed on all four corners, Bead locks are not mandatory. 4 on 4 bolt pattern wheels.

6. Tires:

Any 8" O.D. max tread tires are allowed, no slicks. No prepping of tires allowed. Grooving and siping are allowed. No turf tired allowed.