2012 Tazewell Speedway Limited Late Model Division Rules

Body Rules

Same as Lucas Oil Series

Three (2) Engines for 2010

ENGINE A

Omitted

ENGINE B

362.5 CID Max, Weight 2400, 8 inch spoiler

Block:

OEM cast steel block or after market steel block, all components must remain in stock location. No raised or oversized cam journals. No over-sized lifters (.842). Max bore 4.070 (.005 tolerance) with 3.48 stroke or 4.060 (.005 tolerance with 3.50 stroke.

Crank:

Cranks must be minimum of 50lbs. After market cranks allowed, 1/2lb. variance will be allowed, crank will be weighed with gear and keyway. Balancing ok. Drill hole or weld or install Malory metal. Oil holes may be race chamfered. No other machine work allowed

Piston:

Flat top only, no radius deck pistons, zero deck max.

Rods:

Steel rods only. No titanium or aluminum. Floating wrist pins allowed.

Oiling Systems:

Dry sump must add 50 lbs.
No vacuum pumps

Intake Manifold:
Instake must be cast aluminum
Porting or polishing allowed
Two-piece manifolds not allowed
No modifications except for auxiliary water lines

Heads:

STEEL ONLY
Heads must be 23 deg.
All heads must remain as cast
Angle milling allowed not to exceed 1 deg.
Angle plugs allowed stock location
Steel valves only. No titanium or other materials
Hollow stem valves allowed
Under cut stems allowed
Max valve size 2.02 int./1.600 each
Must remain 11/32 stem diam.
CC limit on intake runner 205 maximum. No cc limit on combustion chamber
No porting, no polishing, grinding or excessive deburring in any breathing area
No shot peening or porting
Heads may be deburred or outside areas only
Valve spring pockets may be machined
Racing multi-angle valve jobs permitted machine cut only, no hand blending allowed
Competition valve job any angle, any depth
All angles must remain concentric with valve guide
May be machine for push rod clearance
May be flat or angle milled
Stud mount roller rocker arms allowed
and shaft type allowed
Stud griddle allowed.
no raised runners.

CAM:
Flat tappet cam only
0.842 lifter diameter
No mushroom lifters allowed
No radius lifters allowed
No ceramic lifters allowed
No roller lifters allowed
Cam bearing journals must be OEM

Carburetor:
One 4 barrel carb GAS ONLY, no dominators

TIRE RULE:
Both rear tires must punch 58 before qualifying and feature race. No tolerance. If you punch less than 58 before qualifying, you will only have 1 lap to qualify.
No front tire rule.
Tires 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 the test results come back from the lab. If lab results prove tires to be illegal, you will be D.Q. There will be a $300 fine before you race again at the Tazewell Speedway.

ENGINE C

602 or 604 Crate Engine
Ford Crate Engine D347SR
604 12 inch spoiler. No weight
602 12 inch rear spoiler 12x32 left side spoiler. No weight

All crate engines must remain stock as they came from the factory

Crate engine must not be altered, modified or changed from factory specs

No changes are allowed

Carburetor:
One four barrel carb. GAS ONLY
Any carb spacer

Distributor:
Any ignition

No magnetos

No traction control in any engine combination

Electronic boxes may be bought for $300

TIRES:
No tire rule for Engine C


General Rules
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 of competition.

4. Any gasoline will be allowed. No Alcohol.

2011 Tazewell Late Models Purse:

1st	$1,000
2nd	$600
3rd	$400
4th	$300
5th	$250
6th	$200
7th	$150
8th	$135
9th	$125
10th	$115
11th-24th	$100