05/19/2026
2026 Mid America Flexi Fiesta Rules and Info.
August 7,8,9 2026.
Come join us for some Exciting and Fast Racing on the Mid America Pilsen King Track.
All day practice on Friday August 7 $ 20.00 per driver fee. Track opens at noon. Hand out motors and tires will be handed out at 5 pm and will be impounded overnight.
August 8 Stock Car and LMP on King. Doors open @ 8 am Hand Outs at 8 am. Tech at 11 am. Stock Car Qualifying and Racing followed by LMP Qualifying and Racing.
August 9 GTP on King. Doors open @ 8 am. Hand Outs at 8 am. Tech @ 10 am with GTP Qualifying and Racing to follow.
All racing on King Track.
All Racing will be 3 minute heats. One and Done Format with overall lap totals determining overall finish.
All day practice on Friday August 7 $ 20.00 per driver fee. Track opens at noon.
Flexi Fiesta CAR SPECIFICATIONS
ALL Classes will use Hand Out Mid America Motors and Hand Out Mid America 31 Medium Wonder Rubber Tires on .470" hub 3/32 axle size.
Entry Fee per class $ 50.00 and that includes Two Hand motors, and One Pair of Hand Out Tires, and practice time.
Racers will be allowed to purchase extra motors and tires in each class entered at retail prices.
CLASS RULES STOCK CAR, LMP, GTP
STAMPED STEEL CHASSIS REGULATIONS
All chassis and it's components to be commercially available.
The pans must be steel. No home made parts allowed.
Allowed Modifications
A) May use lightweight replacement pans and center sections. NO ALUMINUM PANS ALLOWED.
B) May interchange parts from a single manufacturer; such as Flexi and Flexi-2 parts, JK long or short center sections, and heavy or light steel pans on Mossetti, JK, Champion, Parma chassis.
C) No modifications except for the following:
D) May solder or glue motor, axle oilites/bushings, and front wheel retainers.
E) May add lead weight and/or tape to chassis.
F) May file holes in motor bracket to allow better gear mesh, but must retain a portion of motor bracket. No other cutting, grinding, filing allowed on the chassis.
G) No oilite/bushing modifications allowed. May use offset oilites/bushings. No Ball Bearings.
H) May add spacers between pan and center section.
I) May add a 1--‐inch (25.4 mm) long motor brace and a maximum of two upright braces (one for each upright).
J) The original manufacturer’s plating may be removed only in areas to be soldered.
K) May add pin tubes. Pin tubes must be in stock holes/location. Pin tubes may be either solid or floating. May add lead wire retainer.
L) May change stock bite bar diameter supplied by the MFG to a bar that is .062 maximum and .039 minimum diameter. The bar must be steel, straight, round, no bends, no flats and does not deviate from stock. May not solder bite bar to center section and/or pans.
M) Overall width maximum 83mm (3.268”)
N) May solder on steel guide tongue reinforcement but the original tongue may not be removed, modified, or moved.
O) No other--‐modifications, soldering, cutting grinding or bracing allowed.
P) May use any guide, nut, spacers, lead wire and clips. Only one guide flag per car.
Q) May perform reasonable filing of rear oilite/bushing chassis holes to allow for axle alignment.
R) On the Mossetti chassis Must use either .062” dia brass tube or the M-1052 .064” stainless tube OR J bar.Must use push/body pins to retain the bar in the chassis. The MR-1051 Chassis Retaining Clip may be used and can not be modified or soldered to the chassis.
S) Front axles and front wheels are not required. If racer chooses to use front wheels the min. diameter is .500" o.d. Front axle minimum dia is .047" and max dia is .063". Front axle may be soldered to center section uprights.
T) On the JK C43 "A" chassis, front axles may not be added. May use any stock J Bar(s) may not be soldered to the chassis.
MOTOR SPECIFICATIONS
Only the Hand Out Mid American Eagle Motor may be used in Stock Car. Only the Hand Out Mid America Enforcer motor may be used in LMP & GTP.
No modifications to motor allowed. May trim pinion shaft for gear clearance.
May use clip on type heat sinks or screw on type heat sinks that screw to the can on the pinion side of the motor. Comm coolers allowed.
GEAR 13 tooth 64 pitch pinion must be used in ALL classes. Any size/brand 64 pitch PLASTIC ONLY spur gear may be used and gear must clear track by .047". No Metal Spur Gears Allowed. No Speed Spur or Modifed gears allowed.
REAR WHEELS/TIRES/AXLES
Only the Specified Hand Out Tires will be used. Tires will be marked
Axles minimum 3/32" dia. Drill blanks allowed. No hollow, non steel or light weight axles allowed. Axle flats for gear/tire set screws allowed.
CLEARANCE
Rear Clearance will be .047" minimum including the spur gear. Clearance will be measured under the rear of the car, directly under the rear axle and between the rear wheels, with the car at rest on a flat tech block with the guide in the tech block slot.
Clearance will be checked at the beginning of the race, with no check at the end. If a car is suspected to be dragging on the track during racing, the race director, at his discretion may check clearance. Any car found to be dragging the track will be repaired during green flag racing conditions.
A mid race clearance check may be carried out by the tech director/race controller at the beginning of any heat of any race.
Any car found with rear clearance less than .039” inches at the beginning of any heat will have to change tires and have the clearance rechecked under green flag racing conditions.
BODIES
Bodies must be fully painted and opaque. Sides may be left clear in the body pin/clips area only. Must have three "sticker or painted" numbers. NO Sharpie numbers allowed.
Must have suitably painted 1/24 scale (with head, helmet, shoulders, torso, arms and steering wheel) 3-D, vacuum formed lexan driver in the proper cockpit position.
Bodies may have tape/lexan/mylar added for reinforcement. No additional air control/spoilers/diaplanes may be added. Body must completely cover chassis/tire when looking directly down on the car at tech except for the front chassis wings.
Blade portion of guide flag may extend past the front bumper/nose of body. No braid, clips or top of guide may be visible.
No cutting into the top surface of the body.
Front Wheel Area: Must use sticker fronts if no front wheels are used. If front wheels are used; front wheel openings must be cut out/open or left clear and 80% of the front wheels must be visible in the opening or clear area. No cutting into the top surface of the body.
No rear body height requirement.
BODY CUTTING RULES
LMP Bodies MUST Retain Front Diaplane. Must use Mid America #950 Toyota.
Stock Car Bodies MUST Retain Front Diaplane. MUST use Mid America #945 Mustang.
GTP Bodies may be cut " knife edge". MUST use Outisight Designs/Mid America 066 Mercedes.
Bodies Do Not need a Vertical Edge/Plane. No Rear Height Measurement.
