Hot Stock Truck Class
1. Truck Body and Chassis
1.1. Chevy, ford, dodge or International ½ ton or Ύ
ton full size trucks only.
1.1.1. Short or long wheelbase
1.1.2. 1955 to present year models
1.1.3. Foreign trucks are not allowed.
Truck must remain stock appearance. Any truck with an aftermarket
body must carry a stock
appearing front end or
1.3. Frame must be stock and match make and model of
1.4. Front wheel wells may be removed.
sheet metal must be kept in place.
1.6. Tailgate is required and
must be welded shut.
1.6.1. Riveted skins are
1.7. Race ready minimum weight is 3500 lbs. for trucks
using 360 ci engines.
1.8. Minimum wheelbase is 115 ( no more than
1 tolerance, side to side)
1.8.1. Cutting and welding long bed
frame to make short bed will be allowed, but must be plated over
and pass tech approval. Call tech for advise.
2.1. GM truck must have GM engine, Ford have Ford engine,
2.1.1. Stock production blocks only. NO high
2.1.2. Hydraulic or solid camshaft must match
make and model of engine block being used. Maximum valve
.480 or 17 of vacuum @ 1000 rpm.
2.1.3. Pistons must be OEM stock
or replacement flat top design with zero 0.00 deck clearance minimum. 360
Chrysler engine must remain .020 below deck surface. If replacement
pistons are used,
be spec OEM style.
2.1.4. Steel or cast crankshaft with stock for
ci engine being used. NO off center ground cranks. No
2.1.5. OEM stock connecting rods must be used for ci
engines being used. ( 3505.7 rod) NO aluminum rods.
lightweight rods. NO after market rods. NO OEM high
performance rods. NO grinding/polishing
Engines may be balanced.
2.1.7. After market water pumps are
permitted, but must remain in stock location and be powered by
After market harmonic balancer optional.
2.1.9. Circle track oil
pan, crank scraper, windage tray allowed.
2.1.10. GM setback, no
more than #1 spark plug in line with ball joint. Any other check
with tech for
2.2.1. Any cast iron cylinder head, Minimum
combustion chamber volume is 60cc. Absolutely no less.
No aluminum. NO Ford Boss. NO Chrysler w-2.
2.2.3. NO porting
and or polishing of heads.
2.2.4. Heads may be gasket matched no
more than 3/8 W x 3/8 D.
2.2.5. Bronze guides or liners, screw in
studs, pinned studs, stud girdles and guide plates are
2.3. Valve Train
2.3.1. Hydraulic or solid flat
tappet lifters only. NO roller lifters. Bleed down lifters are
modification of lifter
2.3.2. Stock ratio rocker arms for type/size of
engine being used only. Roller rockers are allowed 1.5 ratio
2.3.3. Maximum intake valve diameter is 2.02 for small block
2.3.4. Maximum exhaust valve diameter is 1.6 for small
2.3.5. 3-angle valve grinding is
2.3.6. Stainless valves are allowed.
drives or belt drives are optional.
2.4. Carburetor and
2.4.1. Intake manifolds must be stock factory production
units. NO Brezezinski intakes allowed.
2.4.2. NO high
performance or marine intake manifolds permitted. No high
2.4.3. NO porting or polishing of intake. Plenum
removal limited to 1 or less.
2.4.4. Intake may be gasket matched
a max of 3/8 W x 3/8 D.
2.4.5. Only one carburetor is
2.4.6. Carburetor must be Holley #4412, 500cfm, 2bbl.
STOCK . Dimensions Top 1.375, Bottom 1.687.
No modifications other
than jet changes. Will be checked with Go no-go gauge. A
2.5.1. Stock ignition system only.
After market components will be permitted only in stock
altered firing order.
2.5.2. Ford and Chrysler may use bolt on
coils with OEM dimensions.
2.5.3. NO duel point or unilite
2.6.1. Mufflers and tail
pipes must be removed.
2.6.2. Any type headers are
2.6.3. Exhaust pipes must be safely secured and routed
away from engine and drivers compartment. If pipe goes
through drivers compartment it must be shielded to keep heat away from
driver. 180 cross
over headers must exit
under truck, turned down.
3. Suspension and Rear End
Suspension must remain stock for make and model of truck.
or Coil springs may be used.
3.3. NO more than 2 shocks per
3.4. Lowering of truck for handling/roll over protection is
3.4.1. Rear leaf spring mounting brackets may be
moved on the frame. Proper wheelbase must
Frame may be notched. Additional boxing and or bracing may be needed
and must pass tech approval.
3.5. Jack bolts are
3.6. No spring sliders permitted.
3.7. Pan hard bars
are optional and highly recommended. Mandatory on coil spring
suspension rear ends.
3.8. NO after market racing brake
3.9. Rear end must be ½ ton or Ύ ton Ford, Chevy or
3.9.1. Posi-trac, locked, or welded
3.9.2. Rear end must be in stock
3.10. Spring from different makes may be used.
After market spring may be used if in stock placement.
Question about frame cutting notching and or suspension lowering contact
track tech before you DO to make sure it will pass.
4.1. Stock automatic or standard transmissions only.
NO gutted or lighted transmissions allowed.
4.1.1. NO 5
speed, overdrives, or ram couplers.
required to have blow proof bell housing.
4.3. Minimum clutch
diameter is 10 must be steel fly wheel
4.3.1. NO AMC 9
clutches. NO dog clutches.
4.4. Stall speed converters are
5. Wheels and Tires
5.1. Steel wheels only. 10
5.1.1. After market wheels are
5.2. Bead locks are allowed.
5.3. Ύ ton truck may
run 15: 8-hole spoke wheels.
5.4. Racing tires specified by Texana
5.4.1. HOOSIER racing SPEC tires
5.5. Minimum tire tread width of 10. Maximum sectional
width of 13.75.
5.6. No mud or snow tires allowed.
Grooving is the only tire modification allowed.
more than 3/8 wide grooving.
5.7.2. Absolutely no lug
6.1. Racing fuel will be