In order to be eligible to run in this class
you cannot of won a race in either a Super Late Model or Limited Late Model in
the past 3 years (Calender Date) at any track.
If you move up in class
on any given night, such as Limited or Crate Late Models, to try and earn extra
money because the car count is low or a special event for that class you will
be penalized by having to start the next 2 Sportsman events that you attend on
This class is intended for the low budgeted and entry level
late model teams.
Same as Lucas Oil Series
Deck Height: Deck height 38 inches high all the way across to the bottom of
the t-bar at any time.
Engine A: 604 or 602 GM Crate
stock as they came from GM. Must remain as listed in GM technical manual p.n.
38958668. Fastrack and Nesmith specs are legal. Rebuilt motors are allowed. Do
not have to be sealed
Weight: 604- 2350 lbs
602- 2250 lbs
B: 362 max CI
Weight for Engine B is 2400 lbs
Cast Steel Block. No after market blocks.
One or two piece rear seal, no block
lighting, no splayed main caps
All Components must remain in stock location
raised or over sized cam journals
No over sized lifters. (.842)
Stock stroke 3.480
Steel Rods - 5.700 Length only
Style - 3/8" bolt, press fit pins or floated rods
No titanium or aluminum
Flat Top 2 or 4 valve pocket style
No dry sump
No external pumps
Steel stock stroke
Min. weight 48lbs. with key & front timing gear
Stock - OEM
Journals main (2.448) and rod journal (2.100)
Hyd Only Max Valve Lift .460" (checked
at push rod with no rocker arm)
0.842 lifter diameter only
No ceramic lifter
No roller lifter
Cam bearing journals must be
Timing chain only, no gear drive, no belt drive
fee is $150, track retains 30%
Steel only must
be GM head
No after market heads allowed
Straight plug only
be 23 deg.
Angle milling allowed, not to exceed 1 deg.
All heads must remain
Steel valves only no titanium or other materials
Under cut stems
allowed - no hollow stem
Max valve size 2.02/1.60 minimum valve weight 2.02
109 grams 1.60 94 grams
Must remain 11/32 stem diam.
CC limit on intake
Limit on combustion chamber
No porting, polishing,
grinding excessive deburring in
any breathing area
No shot preening, no
Heads may be deburred on outside areas only
pockets may be machined
Max spring pressure 105 lbs seat-260 lbs open. It will
be checked on the engine with a LSM gauge.
Multi-Angle valve job permitted
machine cut only
Max .600 below seat
No hand blending allowed
must remain concentric with valve guide
May be machine for push rod clearance
shaft style rockers, stud style only
No raised runners
must be cast aluminum
Porting or polishing not allowed
Two piece manifolds
One 4 barrel 650 holley
buy rule $500
Gas or E85
No crank triggers
Electronic boxes buy rule $300
No "Tri-y" style allowed. All headers must be standard 4 into
1 style. No stainless headers.
Headers buy rule $300
All pumps and pulleys must be mounted in the standard location on the
No bell housing mounted pulleys. No electric fans.
No adjustable suspension devices mounted in the driver's compartment.
Brake adjusters are permitted.
Shocks & Suspension:
Shocks must be non-adjustable, no external reservoirs permitted, shocks
may be steel or aluminum. Schrader valve ok, no external reservoirs permitted
or turntable knobs. Any shock may be claimed for $200
coil over kit not included.
Steel drive shafts permitted. Carbon fiber drive shafts allowed, but not
mandatory. They are encouraged for safety, but not required because of
Standard steel axles only, no titanium axles. Axles may be solid or gun
No oil filled hubs.
Brake rotors must be steel. No lightened or cut rotors. Brake rotors can
be solid or drilled. Rotors must be 1.25 inch thick, unless using stock
style GM brakes. No . 810 rotors.
All suspension components must be made of steel or aluminum, no titanium
parts, no spring bars on rear 4 link
Standard slip yoke transmission only. No ball-spline transmissions. Transmissions
must be aluminum or steel, no magnesium transmissions. Reverse starter
mount bell housings permitted, steel or aluminum only
Both rear tires must be American Racer 56 or Hoosier 1600 or equivalent.
Rear tires must punch 55 before qualifying and feature race. No tolerance.
If you punch less than 55 before qualifying, you will only have 1 lap
No front tire rule, open tire.
Tire may be checked for chemical soaking
Random samples may be taken and sent to a lab for testing. If samples
are collected, winnings will be held until test results come back from
If lab results prove tires to be illegal, you will be disqualified. There
will be a $300 fine before you race again at 411 Motor Speedway.
*****This being a new class, we will make weight adjustments if needed
to equal the competition between engines.
1.Tires must have all numbers and name on the tire. No grinding off numbers
or names. Anytime this is altered, will be illegal.
2. Engine set back will be 6 inches from center of top ball joint to the
most forward spark plug
3. Track reserves the right to delete, change or amend rules in the interest
4. Any gasoline will be allowed. No alcohol. E 85 gasoline will be allowed.
The specific gravity may not exceed .750 Protest fee will be $50
5. Weight must be posted on right side A pillar
If weight is not posted, you will only have 1 qualify lap
Failure to post correct weight will result in disqualification
Late Model drivers & Sportsman drivers are not allowed to run in Late
Model & Sportsman race both. Must run in only 1 of these
Time limit on tear down must be done in a timely manner. Track official
will monitor this. If the official declares that this has not been done
in a timely manner, the track official reserves the right to declare disqualification
The track reserves the right to amend, delete or change rules in the interest
All protest ( engine, buy rules) with the exception
of a visual is to be done after the race is completed.