2019 BERLIN MODIFIED RULES
1. Always Refer to 2019 General Rules unless noted
1964 or newer OEM perimeter American made rear wheel drive passenger car frame only. (Reproduction 68-72 Chevelle frames are approved). No sports car frames. 2002 & up Ford Crown Vic or similar frames allowed. The frame must be full and complete, cannot be widened or narrowed, and must be able to support roll cage on both sides. Minimum wheelbase 108 inches, maximum 112 inches, both sides. Maximum overall width, front, and rear, shall not exceed 78 inches from outside of the tire, to the outside of the tire. Exceptions: Weight jack in original center line of spring tower; frame may be cut a maximum 36 inches forward from center of rear housing; horns may be removed in front of steering box; front crossmember may be notched and boxed for radiator and/or steering clearance; maximum 7 inch wide opening in side of spring tower for spring removal. OEM upper A mounts may be replaced with aftermarket mounts. Maximum 4 inch wide by 4 inch tall frame stiffener may be welded directly to the outside of left OEM frame rail. Left side OEM frame rail may be notched for seat and foot clearance. (Howe p/n-358Cmod & 358Amod) (Port City Chassis p/n 610 13-mod-24ns) FAB Tube Clips Allowed.
3. ROLL CAGE:
Must consist of continuous hoops, minimum 1.75 inch O.D. tubing, with a minimum wall thickness of .095 inch for the main cage. Frame mounted in at least 6 places, low carbon or mild steel recommended. Must consist of a configuration of front, rear, and top hoops connected by tubing on the sides or side hoops. Driver’s head must not protrude outside cage with helmet on. Roll cage must be securely supported and braced with minimum 1 cross bar in top halo. Foot protection bar(s) required. Main cage no further forward than rear of the engine. All bars forward of the cage must be lower than the hood. “X” OR “Z” BAR BEHIND DRIVERS HEAD IS RECOMMENDED.
4. DOOR BARS:
All driver side door bars and uprights must be a minimum 1.75 inch and .095 inch wall thickness. Minimum 4 driver side door bars, parallel to the ground and perpendicular to the driver, and welded to the front and rear roll cage. Passenger side must have at least 1 cross door bar, horizontal or angled, and 1 top door bar, minimum 1.5 inch O.D. Steel door plate, 16 gauge (.065) minimum thickness, must be securely welded to outside of the driver side door bars and cover the area from top door bar to bottom door bar and from rear hoop down-post to front cage down post.
5. BODY: (See Diagram)
Must be the same width, front to rear, and parallel to the OEM frame. Engine compartment must remain open on both sides. Hood must be enclosed at rear. No panel in front of right door to engine compartment. No inner panels. Must have front windshield support and rear window support posts. Driver and passenger side windows must have at least 12” X 18” opening (height and width), measured at the center of the window, between lowest point at top of the window, whether roof or roll cage and the highest point at bottom of the window, whether interior or body. No hinged door flaps to meet 12” x 18” opening rule. May use Lexan in sail panels. No full windshields. Roofs must be fiberglass or Aluminum (no carbon fiber) full size, Alum. must be rounded and stock appearing (No flat roofs). Must run full upper and lower nose. No plastic body parts.. No wings or aerodynamic devices inside or outside the car. Outside of tires must be the widest part of car. Quarter panels and B/C pillars must be 2 distinct pieces. Oil coolers/radiator must not protrude above interior or outside of the body.
Spoiler: A 4 inch by 66-inch spoiler 45 deg to the deck is allowed, with all braces to the rear of the spoiler. Spoiler must be 1 piece.
Sail Panels: Must not be wider than the body and must attach to the quarters in a single stock appearing plane that angles inward to the roof. No fins or lips on, body, or nose,.you may run a lip of ¾ by ¾ on sail panel only max, On the aluminum nose you may run a MAXIMUM 1.50" LIP on the top side of nose & 3” around the bottom of the nose. PLASTIC noses are OK.
6. DRIVER COMPARTMENT:
Must have a minimum 3 windshield bars in front of the driver. Lexan or aluminum cowl panel in front of the driver can be no wider than the cockpit and no farther back than the steering wheel. Minimum .125 inch aluminum or 22 (.035 inch) gauge steel, complete floor pan required. Aluminum high back seat only and must be bolted in securely, inside the left OEM frame and ahead of the rear tires. Bottom of seat can be no lower than the bottom of the frame. (NASCAR style right and left head, shoulder supports and leg restraints highly recommended). Driver must be sealed off from track, driveline, engine, fuel cell, battery, and pumps. No driver-adjustable devices allowed in cockpit except brake adjusters. Mirrors in the center of the car only and/or Radios allowed. If no radio or mirror is on board, a bright X must be placed on both sides of the rear panel.
7. FRONT SUSPENSION:
All components must be steel, unaltered OEM, in OEM location, and replaceable by OEM parts. Exceptions: Tube type upper A-frames with or without aluminum or steel cross shaft, and mounts can be moved; stamped steel OEM replacement lower A-frames; rubber, nylon, or steel lower A-frame bushings; no offset bushings; welded or bolted shock mounts on lower A-frames; Lower A-frames must be right and left, and of the same design. Lower A-frame mounts and bolt holes on frame must be in OEM location. OEM type ball joints only. Sway bar must be OEM type, no splined bars. Steel hub and rotor may be used no aluminum(2pcs hub and rotor )
No rack and pinion. All components must be steel, unaltered OEM, in OEM location. Exceptions: tie rod ends and adjuster sleeves may be replaced by a minimum .625 inch steel rod ends and steel tubes; OEM spindles can be modified for ball joints and tie rod ends; Passenger car drop spindles allowed; (OEM passenger car spindles ONLY NO MADE FOR RACING OR FABRICATED SPINDLES.) Bolt on spindle savers allowed; spindles must be right and left, and of the same design; steel steering shafts and knuckles only; steering quickener, steering wheel and quick release may be aluminum; driver compartment steering may be modified, but must be kept on left side. OEM center link or OEM aftermarket type center links allowed.
NO EXTERNAL CANISTERS (SHRADER VALVES PERMITTED) 1 SHOCK PER WHEEL, 1 ADDITIONAL SHOCK ALLOWED IN THE LIFT/PULL BAR AREA. ALL SHOCKS MUST BE EASILY REMOVED (NO COVERS ALLOWED) **NO Coil Overs Allowed on Front. Single Adjustable shock allowed. Shocks must have a complete MSRP price of less than $375.00 per shock NEW.
Steel coil and leaf springs allowed. Coil springs must be at least 4.5 inches O.D. No torsion bars or air bags. Exception: Pull bar may utilize smaller O.D. springs.
11. REAR SUSPENSION:
No independent rear suspension. All components must be steel. No covers allowed. All trailing arms/link bars must be made of steel tubing (aluminum hex tube will be acceptable) Rear of frame may be altered to accept leaf or coil springs. Steel coil-over eliminators, and steel or aluminum (5”) coil-over kits, allowed on the rear only. Must conform to shock and spring rules. No rear sway bars.
12. REAR END:
Closed, steel tube Quick changes allowed. Safety hubs (floater) mandatory. Steel axles only. No cambered rear ends. One (1) piece drive flange only. All components must be steel.
Exceptions: lowering blocks, axle caps, rotor plates, and drive flanges.
Must have a 1/16” Steel or 1/8” Aluminum plate behind drivers seat 12” tall by the width of the seat.
13. BUMPERS: (See diagram)
Steel bumpers must be on front and rear at all times and welded or bolted securely to the frame. Must be a minimum 1.25 inch O.D. tubing, .065 wall thickness. Two bar front bumper must be mounted frame end to frame end, no wider than the width of OEM frame horns. Bottom loop must be parallel to the ground. Top bar must be directly above bottom bar, minimum 6.5 inches apart, measured center to center. Aluminum I-beam rear bumper are allowed. No sharp edges. Rear bumper must have nerf bars on each side rounded back to the main frame. Bumper must be the same width of quarter panels. ( See Z on body panel rules )
Eight (8) inch steel wheel only, measured from inside bead to inside bead. No screws or rim mounted bleeder valves. Steel and aluminum wheel spacers are allowed.
No softening, soaking, conditioning, siping, or grooving of tires. No re-caps. SOAKING OF TIRES IS STRICTLY PROHIBITED. (This rule applies to ALL tires in the pits, on the car, in the trailer or hauler, ALL tires) Tires may be checked at any time and PURCHASED AT THE RACE TRACK Decision of Official is FINAL and NOT up for discussion!!)
**TIRES MAY BE BROKEN DOWN AND INSPECTED AFTER THE RACE AT OFFICIALS DISCRETION.
NOTE: 2019 Tire will be the Hoosier D800 with Rotation of 2 tires per week (Only time 4 tires will be allowed is opening night or advertised for a special event)
MUST be Steel OEM type ONLY, operative on all 4 wheels, drum or disc. Must maintain minimum OEM dimensions for hub/rotor and calipers, cannot be drilled or lightened. Bolt pattern may be changed. Larger studs allowed. Front brake rotors MUST be stock type one piece spindle mount rotors. Rear rotors may be aftermarket, minimum .810 inch thick, vented rotors only. No scalloped or drilled rotors.
Mufflers required. Must be under 100 decibels. (See general rules)
18. FUEL SYSTEM:
Mechanical or belt driven pump only and must be mounted on the front of the motor. Cell Must be square or rectangle in shape (no tear drop, wedge, or exotic F-1 type fuel cells allowed). MUST BE IN A MINIMUM 22 GAUGE STEEL CONTAINER. Cell must be securely mounted behind the rear axles and between the rear tires. Minimum height from the bottom of the fuel cell to ground- 8”. Cell must be mounted with a minimum 2 solid steel strap around the entire cell, 2 inches wide and .125 inches thick or equivalent. All cell mounts must be steel and securely welded or bolted to the frame. Protective tubing must cover the rear of the cell and extend past both ends of the cell. No part of the cell is to be lower than the protective tubing. Vents and lids must have check valves. Fuel line pick up must be on top of the cell. No cool cans and (1) fuel filter only.
Racing gasoline or E85 will be allowed.
Minimum weight limit of 2,400 pounds, 59% Max Left side (Fab Clip 2460lbs, 58% Max Left side). (No Tolerance), after the race with driver and helmet in car setting in normal driving position. Weights must be securely mounted with at least (2) half inch bolts to frame or roll cage, and painted white with car number on it. No weight outside of the body. No titanium, carbon fiber, or exotic materials used on the race car. No gun-drilled, tubular, hollow bolts or studs. Steel fasteners only.
21. BATTERY / STARTER:
One 12/16 volt battery only, must be securely mounted between frame rails, behind crossmember, in front the of rear end and outside of driver cockpit, with positive terminal covered. Car must have the capacity of starting without being pushed or pulled. Standard or reverse mount starters allowed.
22. GAUGES / ELECTRONICS:
No electronic monitoring computer devices capable of storing or transmitting information. Exception: Analog tach. No adjustable ignition control boxes. One (1) 12/16 volt ignition box allowed. No additional ignition accessories allowed. No magnetos. No traction control devices.
Must have at least two forward gears and one reverse, plus a neutral position. With the engine running and the car in still position, must be able to engage car in gear and move forward, then backward. OEM production type or approved aftermarket transmissions (Bert, Brinn, Falcon) allowed. (2-speed, 3-speed, 4-speed and automatic). No 5-speed or more transmissions, No ‘in and ‘out boxes allowed. Standard clutch type transmissions must have a blow proof bell housing (steel or aluminum). Automatic transmissions must have an approved scattershield.
24. DRIVE SHAFT:
Minimum 2.5 inch diameter, steel drive shaft, painted white. Steel slip-yokes only. 360 degree drive shaft loop required and must be constructed of at least .25 inch by 2 inch steel or equivalent, mounted 6 inches back from front u-joint.
25. ENGINE COMPARTMENT:
Rear of the engine must be mounted at least 72 inches forward from centerline of rear axle. Engine offset must be kept within 2 inches of centerline of front crossmember with engine level. Radiator must be mounted in front of the engine. Cooling system may be modified. No anti-freeze.
Any American make engine allowed. Steel block. No machine work to the outside of block (lightening). Wet sump oiling system only. **SINGLE STAGE EXTERNAL PUMP ALLOWED AS LONG AS OIL REMAINS IN PAN (NO EXTERNAL TANKS). One (1) naturally aspirated two or four barrel carburetor only. (No fuel injection) No magnetos.
27. NUMBERS / DECALS:
All numbers shall be in contrasting color from body, affixed to both doors and top, be at least 4 inches thick and 20 inches tall, and be readable from the passenger side of car. Competitors are to reserve the front 24 inches of each door for Sanctioning Body and/or Track Sponsors. (Failure to run sponsor decals will result in 50% loss of purse and all points!)
(A) Track reserves the right to change, modify, add or delete to these rules as they deem necessary.
(B) Track reserves the right to confiscate any part or parts deemed by their Officials to be outside the rules. This to include tires, or any other part(s) of any race car, at any event, at any time.
(C) All decisions of the Officials are final and binding without exception.
29. ROOF FRONT MINIMUM 3" - MAXIMUM 5" / REAR MINIMUM 1.5" - MAXIMUM 2"
30. GENERAL COMPETITION:
(A) Drivers shall be responsible for the conduct and actions of all crewmembers, and any unsportsmanlike conduct shall be grounds for disqualification or punitive action as determined by Sanctioning Body and/or Track. Sanctioning Body and/or Track shall have the authority to disqualify members and assess fines.
(B) All discussions with Officials shall be conducted in a professional manner and at a proper distance.
The absence of a particular rule does not necessarily mean its approval!
ASPHALT BODY DIAGRAM & DIMENSIONS
(A) 20” Max. – 16” Min. (Ground to the center of bumper front & rear)
(B) 6.5” Min. (Center to center)
(C) 46” Max. – 42”Min.
(D) 6” Max. Hood sides – 3” Max. Rake in the hood.
(E) 32” Max. (Bumper & Nose)
(F) 6” Max. (Scoop/Deflector)
(G) No Minimum/Max Frame/Skirt Height- 8” Min. at Quarters
(H) 19” Max. (Same both sides)
(I) 112” Max. – 108” Min.
(J) 29” Max. – 22” Min.
(K) 72” Max. Or not the past back of the block, right side. Left side may extend forward to cover foot box if necessary.
(L) 18” Max. – 12” Min. Opening, both sides.
(M) With 6’ level, must have 2” gradual clearance at the rear and no more than 5” at front
******************** level will placed at the center of the roof to get dimensions listed in item “m”!!
(N) 117” Max. – 106” Min.
(O) 45” Max. – 34” Min.
(P) 3” Max. height at rear of sail panel, gradual slope from roof to this point. (4” x 66” Max. spoiler 45 degrees to the deck is allowed with supports to the rear only.)
(Q) Interior slope is 6” Maximum. Front to rear and flat across. If flat at the front half of interior you have used up 50% of your 6” so from behind the driver to the rear you only have 3” of the slope. Top of the interior must be flush with the top of doors and quarter panels.
(R) 38” Max. – 28” Min.
(S) 38” Max. – 24” Min.
(T) 66” Max. – 24” Min. No narrower than the radiator
(U) 52” Max. – 44” Min.
(V) 56” Max. – 41” Min.
(W) Tires must be the widest part of the car. Must be able to see side wall of the tire from the front, top, and rear.
(X) 66” Max. – 53” Min.
(Y) 8” Panel / 90 degrees to the ground. Must be solid, attached to the deck and extend to the quarter panels, securely fastened.
(Z) Aluminum “I” beam or tubular steel rear bumpers allowed, MUST have rounded nerf bars that follow quarter panel and connect back to frame on both sides.