Rules - Built Mini Cars

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 THIS IS A BUILDERS CLASS. WE ARE GIVING YOU THE OPTION TO BUILD A GREAT RIDE BUT YOU ARE GOING TO USE IT. ANY SANDBAGGING, TEAMING AND YOU WILL BE DISQUALIFIED IN THE MIDDLE OF THE DERBY.  

◦ Judges decision is final. No arguing your take of a grey area or you will be loaded.   Any questions call first.  

◦ Any front engine cars 4/6 cylinder with a wheelbase up to 112” for front wheel drive cars and 110” rear wheel drive cars.  

◦ All cars must be swept clean of debris and 100% stripped before bringing the cars to inspection.

◦ Anything done to these cars that cannot be fixed at the derby, or that your not allowed to do, you will forfeit your entry fee!!   

◦ Suspension  

◦ Front suspension can be solid. A arms can be welded down with 2- 2”x4” straps 1/4” thick max on each side and centers can be plug welded to spring buckets. Solid struts are permitted.  

◦ Upper and lower a arms can be reinforced or plated.  

◦ Any rear axles of your choice. Rearend housings can be braced, made posi track, and axle savers and pinion brakes allowed. Fwd can build the rear axle out of 2x2 but must bolt into stock locations. Control arms can be reinforced.  

◦ Leaf spring cars can have a total of 6 leaf springs but must have a 2” stagger.

◦ Coil to leaf spring conversion is permitted as long as they bolt into the factory trailing arm location in the front and rear hangers are bolted and not welded. They must work like intended. If you do a leaf spring conversion, you lose the option of having hump plates.    ◦ Cars do not have to bounce  

◦ Sliders are permitted.  

◦ Any gear is permitted.  

◦ Aftermarket tie rods are acceptable    

◦ Drivetrain  

◦ Any 4 or 6 cylinder motor allowed

◦ Motor swaps are allowed

◦ Solid engine mounts are allowed

◦ Lower cradles are permitted but no pulley protector is allowed. It’s strictly just for mounting the motor

◦ No steel bellhousings.  

◦ Engine cradle must have a 1” gap from the body to the subframe and be mounted in the factory location. Lower cradle cannot be used to strengthen or pressurize the car in any way  

◦ Shifters, pedals, steering columns, transmission coolers etc are permitted but must not strengthen the car or used as a kicker.  

◦ 7 gallon fuel cell max. Make sure it’s secured to cage or floor properly.  No ratchet straps or plumbing strap holding tanks down. No stock fuel tanks allowed.  

◦ Any tire combo you’d like.  

◦ Beadlock are allowed.  

◦ Can use up to an 8 lug axle  

◦ Radiator must stay in factory location.  

◦ Angles for crossmember can be no longer than 5” and be within 12” of factory location   

◦ Build  

◦ No pinning,hammering, or heat treating the frames.  

◦ Trailer hitches must be removed  

◦ You can notch or crease rear frame rails to help with folding  

◦ If a frame section needs replaced, call first.  

◦ Rust repair is limited to floor pans  

◦ Cars cannot be smashed flat in the back.  

◦ Cars can be tucked and creased as long as the quarters stay in the upright position  

◦ Speaker decks can be removed not moved.  

◦ No adding extra body bolts.  

◦ Drivers door and passenger door can be plated. If plated, door skin can only go 1” past the door seams.  

◦ All other doors can be bolted, wired, chained or welded solid. If welding them closed, 3” wide by 1/8” thick strap is what is acceptable. No bigger!!  No excessive overlapping of material.  

◦ Tailgates or trunks can be welded solid  or bolted, wired or chained.  

◦ Hoods can be fastened in a couple different ways. Pick 1 option only!!!

◦ Option 1- you can mount hood in 6 spots with 4 spots being up to 5/8” thick all thread and the front 2 at the core support can be up to 1” all thread. That all thread can attach to the frame and run straight up through the hood but cannot be sleeved.  

◦ Option 2- you can 9 wire or chain in up to 6 spots with the front 2 going around the front bumper. You can weld washers on the sheet metal to keep the body from ripping.  

◦ Fronts of the cars can be shortened but only to the front of the core support.  

◦ You can add a piece of 4”x4”x1/4” angle iron to the top core support and it can only be 1” past the radiator on both sides.  

◦ You can have a radiator guard that is welded in 4-2” spots or bolted in the 4 corners.  Max of 1/8” thick.  

◦ No interior seam welding

◦ No wire or straps can connect from rear floor to roof.  

◦ Hump plates are permitted. 1/4” thick 6”x16” long centers over the rearend. Don’t stretch this or you will be loaded.  

◦ All factory holes in the frame must stay open  

◦ You can clip a car but it must be with the same style clip as the car is (year make and model)

◦ Sway bar can be welded solid to bottom of the frame using a piece of 2x2 4” long. The tubing cannot be connected to the engine cradle or k member. Bottom of the frame only.  

◦ Front mounting point of the k member can be welded 3” on each frame rail.  

◦ You can weld 1 seam from firewall forward.  

◦ Nothing can be welded inside of the trunk.  

◦ Trunks will need (2) 5”x5”  inspections holes cut in them  

◦ No added metal in the frame other than what is mentioned. Any metal found in the frame, you will not be allowed to fix or run and you will forfeit your entry fee.   

◦ Bumpers    

◦ Any bumper is permitted. Factory, loaded, replica etc.  No excessive points. If making a “pointy” bumper, your point can be 6” out off the face of the tubing spanning 32” wide

◦ Bumpers can be no lower than 14” and no higher than 20”

◦ 12” bumpers shocks are allowed. Must be 2”x2” tubing welded on the outside of the frame only. Not inside.  

◦ Bumpers can be hard nosed  

◦ If you don’t want to use bumper shocks you can use (2) 2”x6”x1/4” thick plates to mount the bumper at each mounting point.    

◦ Cage  

◦ Cage can be up to 5x5 box tubing. 4 point cage surrounding the drivers compartment with back bar no further than 10” from behind the drivers seat.  

◦ You can add gussets in the corners. 6” out of the corner each way.  

◦ 2 down legs are permitted and can run straight down off the back bar. Not angled at all.  

◦ Gas tank protector can be no wider than 24” and can touch the package tray but not cap over top it into the floor.  

◦ rollover bar must sit on top of back bar and go straight up and over. No angling rollover bar.  

◦ Windshield bar can be welded to rollover bar and cowl or rollover bar and cage without touching the cowl NOT BOTH. If welding it to the cage is the option you pick there must be a 1” gap from the cowl/firewall.  

◦ Rear window bar is to be attached 6” to the roof and can run to either the package tray or the first 6” of the trunk lid closest to the speaker deck.  

◦ Center bar is permitted.  

◦ Cage must be at least 5” off the floor

◦ Cage can be no closer than 5” from the firewall

◦ Sidebars can run no further forward than the firewall and be no closer than 5” from inner fenders on 2 door cars or middle of the back doors on a 4 door car.   

◦ Fix it plates  

◦ All fresh cars get 4-4x4x1/4” fix it plates and preran cars can have 6.