2013 North Georgia Modified-Hobby Rules
RaceCeiver Required, No other radios or communication equipment or mirrors allowed at any time.
Fire Extinguishers Mandatory In All Cars
A. Tubular bumpers allowed.
B. 8-inch spoiler with matching side braces allowed.
25lb burn off after feautre ONLY.
A. 2500 anytime GM 602 crate engine. ( 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.)
B. 2600 anytime 350 engine.
C. 2750 anytime 400 engine.
D. Steel blocks only, may be bored to casting limits.
E. Flat top pistons only. Cannot come above deck.
F. Crank must be stock or stock replacement (stock stroke Scat/Eagle parts legal).
G. Balancing permitted but no lighting or knife-edging allowed.
H. Polishing stock rods allowed.
Any steel rods
6” rods permitted
Press or floating pins permitted
I. Wet sump oil system only.
A. Any STEEL OEM 23 degree head allowed (GM Bowtie Steel head legal).
B. No porting or polishing allowed.
C. Combustion chamber to be no cc limit.
D. No machine cuts or grinding in combustion chamber ports.
A. Any hydraulic or flat tappet cam and lifters allowed.
B. Lifter diameter must be OEM for make.
C. Roller rockers allowed.
D. Any valve spring permitted.
A. Intake 2.02 max.
B. Exhaust 1.600 max.
A. Aluminum permitted.
B. No porting/polishing or grinding anywhere permitted.
C. One four barrel carburetor only.
D. Non Dominators or Predator carbs. allowed.
A. Any type header allowed / must run parallel to ground.
A. Any electronic or points ignition.
A. Any clutch system permitted.
Option: Bert or Brinn etc.
Track reserves the right to add or take away weight based on competiveness.
B. No direct drives allowed.
A. Must be stock clip from MID-PLATE forward.
B. Tubular upper a-arms permitted / must be in stock location.
C. Rack & pinion steering allowed.
D. Multi-leaf or 3 link rear suspension only. No mono leaf’s.
E. 104 inch wheelbase minimum.
F. Roll-bars must be steel tubing with 1 ½ inch minimum diameter.
G. Tubing wall thickness must be .083 minimum.
H. No coilovers allowed / no birdcages / no brake floaters allowed.
I. Number 1 plug must be in line with upper ball-joint.
A. Stock type or quick-change with steel tubes.
B. Wide 5 hubs allowed.
C. Racing shocks and wedge bolts allowed.
Non canister shocks.
One shock per wheel.
D. No independent rear suspension permitted.
A. Any type transmission
B. Must use blow-proof bell-housing on standard shift.
C. Driveshaft must be painted White.
A. Must have racing seat.
B. Must have 4 or 5 point safety belts.
A. Must have front and rear firewalls.
A. Fuel cell w/ steel can and 2” steel straps mounted in rear of car only.
B. Gas ONLY (NO Alcohol or Nitrous Oxide). E-85 IS ALLOWED
1. Hoosier 1600’s 1350’s
2. American Racers 48’s and 56’s
3. All 4 corners no longer open .
B. Wheels may be steel or aluminum 14 max. wide.
C. Beadlocks permitted.
D. No chemical treating allowed.
Modified-Hobby PROTEST And Claim Rules
$350.00 One Head ( 2 Valves Will Be Pulled )
$450.00 One Head ( Optional GM Crate Engine )
$250.00 Oil Pan
$350.00 Oil Pan ( Optional GM Crate Engine )
$300.00 Flywheel And Clutch
$250.00 Claim On Intake ( Except on the 602 crate engine )
$50.00 Engine Set Back
NOTE: The 8 rule / we will allow .008 thousandths on the bore, stroke and valve size.
Any Crate engine protested must be reassembled and resealed by one of the Authorized Repair / Rebuild centers. Documentation of authorized rebuild may be requested. Failure to provide said document will result in disqualification.
Any item not listed in protest fees is considered a visual protest item and must be protested before race and NOT after.