Econo Hobby Rules
2013 North Georgia Econo Hobby Rules
RaceCeiver Required, No other radios or communication equipment or mirrors allowed at any time.
All Hobby Cars Must Have A Rear Tow Hook
Limited to American made cars only. No compact, convertibles, sports cars or station wagons.
Two engine options
Econo Hobby 2800 lbs.
Econo Hobby using the CRATE ENGINE 2700 lbs( WARNING: If you chose to run a crate motor you will be subjected to same protest rules and fee’s as any other motor. Track will not be sending any crate motor’s off to be torn down except in Crate class.)
A. OEM stock steel bodies must maintain stock appearance. Rear of car can be open.
B. OPTIONAL BODIES: Stock Appearing Aftermarket Steel or Aluminum bodies will be allowed. All aftermarket bodies must have plastic nose and tail pieces, Roofs must be Stock Appearing Fiberglass or Steel, No Dirt Late Model style roofs. Hood may be fiberglass, aluminum or steel. If you use an aftermarket body install it right, No flat-sided bodies, No Dirt Late Model Style Bodies allowed. All bodies must be mounted straight-up this means your roof is mounted exactly in the center of the chassis (left to right). All bodies stock or aftermarket are subject to approval by the technical inspector.
C. No front push bars will be allowed. All tubing must be kept completely behind front bumper in the grill area. If you have a body style with a plastic nosepiece all guards must be behind nosepiece.
D. Rear of car may be open. Rear push bars permitted.
E. All cars with stock bodies must have OEM type front bumper. No homemade tube type bumpers. Cars with aftermarket bodies must have plastic nosepiece.
F. No glass or Lexan in windows (must be open).
G. RaceCeiver Required, no other radios or communication equipment or mirrors allowed in car at any time.
H. Any plastic additions must conform to original body contour.
I. No homemade nosepieces or body parts.
J. Spoilers may have a maximum size of 8” height, by 65” width. Note: Gurney Flaps or Curls are allowed along the upper edge of the spoiler, but their length will be included in all measurements, Spoilers will be measured according to total length of and width of material, in any shape.
K. Three spoiler braces allowed, braces must be triangular in shape, maximum height of 8” inches and maximum length of 18” inches at base.
L. A metal firewall must encompass the driver’s compartment – front, rear, sides and floorboard.
M. Boxed interiors permitted.
FRAME & RAILS:
A. Stock frame rails. Body does not have to match frame but must be OEM stock steel or one of the approved Five Star body kits. This will allow you to use a newer body style.
B. Tying frame rails together, reinforcing or X bracing permitted.
C. Weight jack area may be altered. Buckets, plates, etc.
D. Frame or frame rails may be replaced from snout, (must be a stock automotive snout) to the rear of car with a minimum of 2” x 2” square material, and must be .095-wall thickness.
E. Front snout, stock automotive type snout MID-PLATE FORWARD or the optional Howe Racing LLM direct replacement Camaro front clipart #358-8-01 (2×4 Rails and stock lower A arms and steering box) Howe clip must have Howe Inspection tags in place to be legal.
“WARNING PLEASE READ”
Technical Inspector must approve all cars with replaced frame or frame rails. Remember this is not Late Model or Sportsman so don’t build a Late Model or Sportsman chassis to race this division!!!!
FRONT SUSPENSION & STEERING:
A. Tubular upper control arms and mounts permitted.
B. OEM Lower control arms for make & model required. After-market bushings permitted.
C. OEM or Safety spindles and hubs permitted.
D. 5” minimum O.D. on coil springs.
E. Weight jacks permitted.
F. OEM steering boxes only.
G. Inner and Outer tie rod ends may be rod ends and any tie rod sleeves permitted.
H. Rack & pinion steering will be allowed with a 50 lb. weight penalty.
I. Racing shocks permitted, one shock per wheel, No canister shocks.
LEAF SPRING CARS:
1. Slide boxes on leaf spring cars permitted.
2. No coilovers or coil springs allowed.
3. Upper link, rubber bushing torque link or spring loaded type upper link permitted on leaf cars.
4. No 5th coil, 90-10’s, lift bar, pull bar or Reese bar, etc.
5. Racing shocks permitted, one shock per wheel, No canister shocks.
COIL SPRING CAR:
BISCUIT BARS OK
A. May use a three point set up with a solid mount upper link bar, solid bar & rod ends.
B. Solid Panhard Bars with rod ends permitted.
C. Rear lower control arms may be aluminum or steel tubes with rod ends with a maximum length of 26” inches from center to center of the mounting holes.
D. Rod ends allowed on solid Panhard bar, solid upper link bar and rear lower control arms, this is the only place rod ends will be allowed on rear suspension.
E. No 90-10’s, spring bar or rubber bushing torque links. No 5th coil, lift bar, pull bar or Reese bar, etc.
F. 5” minimum O.D. on coil springs.
G. Coil over eliminators will be allowed.
H. Racing shocks permitted one shock per wheel, No canister shocks.
A. All cars must a suitable steel roll cage protecting the drive’s compartment.
B. Side roll bars are mandatory, and must extend into door panels; a minimum of three bars must be used on left side and two on right side.
C. Bars must be at least 1-1/2” inch in diameter and a minimum of .095” inch wall thickness.
D. Roll cage must be welded to frame.
E. Seat must be fastened to roll bars or rail.
All cars must have 3” inch seat belts with shoulder harness and must be attached to roll cage.
B. We strongly recommend that all cars have an approved fire extinguisher system, securely mounted, within easy reach of the driver.
C. A 5 lb. Halon System is recommended.
D. All drivers must wear a complete fire suit.
Any driver using a approved safety device such as a HANS or other type neck restraint will receive a 50 lbs weight break.
A. Number must be at least 18” inches high and on both sides and top of car.
FUEL CELL / FUEL:
A. An approved fuel cell mandatory (32 gallon maximum) must be securely mounted in the trunk area of the car, inside a .20 gauge metal box supported by a minimum of two 2” inch by 1/ 8” inch steel straps.
B. Gas only – no alcohol – no nitrous oxide, nitro methane or other nitrate additives. E-85 IS ALLOWED
C. No propylene oxide.
A. Locked rear ends required, welded or spool or mini spool permitted.
B. 9 inch ford floaters allowed. Housing and axle tubes must be steel.
C. No ratchets, True-Trac or any other type locker unit allowed.
D. Quick changes rear ends with steel tubes will be allowed. (must be locked),
A. Steel wheels only, 12” inch maximum width.
B. Wide 5 wheels permitted.
C. Bead locks permitted
1. Hoosier 1600’s 1350’s
2. American Racers 48’s and 56’s
3. All 4 corners no longer open .
B. Or American Racers 48’s or 56’s
C. Tires must have all numbers and name on the tire No grinding off of numbers or names, any tire that has been altered will be illegal. No Chemical treating of tires will be allowed.
A. Four-wheel disc brakes permitted.
B. Dual master cylinders permitted.
C. Brake adjusters permitted.
A. OEM standard production 3 or 4 speed transmission only.
B. Must have at least one forward and one reverse gear in working order.
C. No special production transmissions.
D. Automatic transmission permitted, must have OEM type torque converter (10” minimum) in working order.
A. All cars must have starter in working order.
A. Front most forward spark plug must be in line with or in front of top ball joint, (1” TOLERANCE).
B. Drive train must be in centerline of car.
A. All engines have a maximum bore size and must be standard stroke for engine being used.
B. Small blocks only, No big blocks.
A. OEM Cast iron V-8 block only.
B. Maximum cylinder bore size, Chevrolet 4.060, Ford 4.060, Chrysler 4.060C. OEM main caps only, No after-market main caps, No splayed, studded or strapped main caps.
C. De-burring block and plugging deck to strengthen block permitted.
D. Plug or vent and screen oil drain holes in lifter valley permitted.
F. May surface deck of block.
G. Lifter bore must be OEM diameter for engine, Chevrolet .840, Ford .875,Chrysler .901.
A. Standard production OEM or Stock Replacement cast crank only.
B. (NO STEEL CRANKS ALLOWED)
C. Must be standard production stroke for engine.
327cid Chev – 3.250 / 350cid Chev – 3.480
302cid Ford – 3.000 / 351cid Ford – 3.500
360cid Chrysler – 3.580
D. No stroking or destroking, No lightening or knife-edging crank.
E. No turning down counter weights or drilling crank pins.
F. Cast stock replacement standard weight cranks such as Eagle & Scat will be allowed. The thru holes will not be considered “drilling the crank pins” due to the cranks being manufactured with the thru holes.
G. May balance engine.
A. Stock length OEM or Stock Replacement rods, Press pins only.
B. All rods must have rod bolts with nuts.
C. No 6” rods allowed.
D. No floating pins allowed.
E. No sportsman type rods.
F. High performance rod bolts and nuts permitted.
G. No polishing rods.
A. Four (4)-eyebrow cast or hypereutectic pistons only.
B. No two (2)-eyebrow pistons allowed.
C. No dome pistons.
A. Hydraulic only (.425) Maximum lift at valve.
A. Hydraulic lifters only.
A. Any chain or gear set.
B. No gear or belt drives.
A. OEM standard production cast iron heads only, must have casting numbers, numbers must be readable at the time of a cylinder head check.
B. OPEN CHAMBER STYLE HEADS ONLY. (70 cc limit on all heads.)
C. Chevrolet straight plug heads only.
D. No Chevrolet Vortec heads.
E. World Products (Stock Replacement) Chevrolet heads casting # I-052 permitted.
F. Ford and Chrysler angle plug standard production cast iron heads permitted.
G. No Bow Tie, W2 or Ford SVO heads.
H. Steel valves only, No titanium,
I. Maximum size for Chevrolet, Int. 1.940, Exh. 1.500
J. Maximum size for Ford and Chrysler, (Consult Tech Inspector)
K. Valve stem diameter 11/32 minimum for all engines.
L. Under cut stem valves allowed.
M. Any type guides permitted.
N. Single valve springs only (No duel springs).
O. Steel retainers required.
P. Screw in studs permitted 3/8 Maximum diameter.
Q. Stamped steel rocker arms only.
R. No roller tip or roller rocker arms allowed.
S. No after-market shaft or pedestal mount rocker arms allowed on Chevrolet.
T. If standard production head came with shaft or pedestal mount rockers they will be allowed.
U. Racing valve job permitted, Machine cuts only.
V. No porting or polishing, all heads must remain AS-CAST.
W. No port matching or deburring intake or exhaust runners in heads.
X. No blending valve job to casting.
A. Standard balancer only.
B. No fluid damper permitted.
A. Wet sump oil pump in pan system only.
B. No dry sump system.
C. Racing oil pan and or windage tray permitted.
D. Remote oil filter and oil cooler permitted.
A. Cast or aluminum permitted.
B. No electric water pump.
A. Block mounted mechanical pump only.
B. No electric pump.
A. Stock steel flywheel / clutch / pressure plate for straight shift.
A. OEM factory HEI or OEM factory single point distributor only.
A. Any single four-barrel intake permitted.
B. $250.00 claim or swap rule on intake will not apply to crate engines.
C. Any size carburetor spacer permitted.
A. Any – four barrel only.
Econo Hobby OPTIONAL CRATE ENGINE: 2700 lbs.
GM P/N # 88958602 – 350 CID / 350 HP
B. GM Engines may be purchased at any GM dealer.
C. The sealed engines must remain intact and not be tampered with; any seals that have be removed or tampered with will make the engine illegal and not eligible for competition.
D. No changes are allowed to the engine (intake manifold, heads, valve covers, oil pan, harmonic
A. Balancer or any other part /or parts on/or in the engine.
E. No vacuum pumps.
F. All crate engines must remain stock as they came sealed from the factory. Crate Engines must not be altered, modified or changed from factory specs.
Documentation may be required to ensure GM crate factory engine. ( sales slip )
25 lb burn off after feature ONLY.
Econo Hobby 2800 lbs. minimum with driver.
B. Crate Engine Econo Hobby 2700 lbs. minimum with driver.
C. All cars must have specified weight posted on top right side of roof.
D. no. weight allowance after feature race
E. All weight must be bolted on.
F. Track reserves the right to adjust weights in interest of competition should it deem necessary