PENTON RACEWAYS INC.
2010 BANDIT/ BOMBER TECHNICAL RULES
**Rules new for 2010 will be
highlighted in Blue.
**Please Note That Rule Changes Or Corrections, during the season Will Be In Red
This division is open to any 1955 or newer sedan. NO station wagons, pick up
trucks.
DRIVER ELIGIBILITY:
A. Anyone with prior racing experience must be approved by Penton Raceways,
Inc. to compete in the Bomber division.
WEIGHT:
A. 3300lb with driver.
B. Crate engine 602 add 100lbs. GM crate engine must have GM or GM/RM seal
bolts, or Crate USA seals.
C. Cars with 112" and longer wheelbase deduct 100lbs
ENGINE:
A. NO high performance equipment or machine work permitted, unless otherwise
noted here.
B. ONLY stock factory street production V-8 or V-6 engines permitted. Engine
must be mounted in stock location, center of chassis, #1 spark plug must be in
line with or in front of upper ball joint.
C. GM (Buick, Olds, Pontiac, or Chevy) 350 c.i.d., Ford 351 c.i.d., Chrysler
340 or 360 c.i.d. Engines must be stock bore and stroke, 0.60ths over bore
permitted.
D. NO big blocks permitted.
E. Deck may be surfaced, but pistons may not exceed the top of the block.
F. Racing oil pans permitted. Must be
made of steel, NO Aluminum oil pans.
G. NO engine interchanging. Car and engine must be same manufacturer.
H. Stock factory production steel or cast iron cranks ok. Eagle cast crank p/n
103503480 is allowed. This is the ONLY
after market crankshaft allowed, and must have factory casting numbers intact. NO KNIFE EDGING or LIGHTENING OF CRANKS. Crankshafts must be
stock stroke to size of engine. NO stroking or D-stroking.
I. Engine balancing permitted.
J. Stock factory exhaust manifolds or chassis type collector headers. Headers
must turn under firewall and have collectors. Must be economy style
header. No stepped tube headers,
headers must be the same diameter from head flange to collector.
PISTONS:
A. Cast or forged flat top 4 valve relief pistons with minimum 1/16, 1/16, 3/16
ring package ONLY.
B. NO dome pistons permitted.
RODS:
A. Stock length forged steel, I beam rods ONLY (Ex. Chevy 350
5.7). 3/8 rod bolt maximum. NO H-beam rods, NO Billet or exotic material
connecting rods.
CYLINDER HEADS:
A. Heads must be standard production factory steel or baby butt, 461, 462, 492,
or 041. No vortec, factory performance heads, or after market heads. NO angle
plug heads.
B. NO angle milling, porting, polishing, squaring, or epoxying of ports. Screw
in studs or guide plates permitted. Rocker studs may be pinned, NO roller or
roller tip rocker arms, or stud girdles. 3 angle valve jobs permitted.
C. Stainless steel valves allowed. Valve sized
Chevrolet 350 1.94 maximum
intake & 1.5 maximum exhaust. Ford, Chrysler, and other GM products must
be stock sizes. Stock diameter valve stems.
D. Steel valve retainers & keepers ONLY. NO aluminum, titanium, or other
exotic material retainer. Any valve spring.
E. No mismatching of Cleveland or Windsor heads.
F. Screw in studs allowed.
G. GM Vortec Head assembly part#
12558060 (062 casting, same as crate engine). MUST use head assembly as it
comes from GM, NO other machine work, MUST use same valves ,springs, and
retainers. NO shimming valve
springs. 64cc combustion chamber (+/-
2cc tolerance), intake runner 170cc (+/- 2cc tolerance), exhaust runner 60cc
(+/- 2cc tolerance). Must add 100lb
same as crate engine.
CAMSHAFT
A. Hydraulic flat tappet camshafts ONLY. .450 maximum lift for Chevrolets.
.450 maximum lift for Chrysler. .458 maximum lift Ford Windsor. .468 maximum
lift Ford Cleveland. Maximum lift applied to intake and exhaust & includes
rocker ratio. Measure at push rod.
B. NO solid lift cams. NO anti pump up or Rhoads lifters permitted. Lifters
must be stock diameter to make of engine. Example .842 Chevrolet, or .875
Ford.
INTAKE:
A. Intakes must be cast iron or aluminum factory production low profile
intakes. No special purpose or raised plenom intakes permitted. NO after market
intakes.
B. Adapter plates permitted on quadrajet style intake 1 thickness maximum.
C. NO porting, polishing, squaring, or epoxying of intake ports, plenom, or
runners. NO milling or hogging out plenom.
D. No carburetor spacers except ford stock cast iron intake permitted to run a
1" spacer.
E. Ford Motorsport, low profile Aluminum intake permitted, must
add 50lb, and NO spacer with this intake.
F. Vortec Heads may run aluminum low profile intake, Edellbrock
part# 7116 or 2116, or GM part# 12366573 (same as on 602 crate engine) NO carb
spacers with this intake. ONLY intakes allowed with Vortec Heads.
CARBURETOR:
A. Stock OEM production 4 barrel, or Holley 600 CFM single pump vacuum
secondary carburetor permitted.
B. Choke horn may not be removed.
C. EAMS 600 Spec Carburetor permitted.
FUEL SYSTEM:
A. Fuel tank may be moved inside of trunk. Tanks must be securely mounted. Fuel
cell highly recommended.
B. NO ALCOHOL, NO NITROUS OXIDE, GAS ONLY.
C.Approved fire extinguisher with gauge required and must be securely installed
in reach of driver.
IGNITION SYSTEM:
A. Stock factory production electronic or breaker type ignition systems ONLY.
Ford allowed HEI type aftermarket distributor.
B. NO MSD's or after market ignition systems of any kind allowed. NO spark
enhancing devices of any type allowed.
CLUTCH:
A. Standard stock type single disc clutches ONLY. Must have diaphragm or finger
type pressure plates ONLY.
B. 10 Steel flywheels ONLY, NO drilling or lightening of flywheel allowed,
15lb minimum, Pressure
plate 13lb minimum.
C. NO aluminum flywheels, multi-dics clutches, or RAM couplers allowed.
D. Ford may run 11 15lb aluminum flywheel.
TRANSMISSION AND REAR END:
A. Stock factory production manual, or automatic transmissions ONLY.
Automatic's MUST have stock type, and size torque converters. NO lock ups or
shut off valves allowed.
B. Stock factory production rear ends.
C. GM cars may run Ford 9.
D. Drum brakes or rear disc
brakes. Rear disc brakes must have STOCK single piston calipers ONLY, NO
aftermarket calipers allowed. Rotor
Hats must be STOCK steel, NO Aluminum or aftermarket rotor hats.
FRAME AND SUSPENSION:
A. Minimum wheel base 108.
B. ½ wheel studs minimum and 1 lug nuts mandatory.
C. All frames must be completely STOCK from front clip to rear clip. NO
altering, shortening, or interchanging of any kind.
D. Upper & lower control arms must be stock factory production control
arms, and MUST be mounted in original locations with NO cutting, lengthening,
shortening, or altering of any kind. NO interchanging. Front & Rear control
arms.
E. Uni-body cars may not be connected. Stock
shape of uni-body may not be altered in any way.
F. NO reese bars, J-bars, torque links, weights jacks or any other
traction-enhancing device allowed.
G. Stock type shocks ONLY, MUST be mounted in stock location.
H. Stock type suspension ONLY. Leaf spring cars must have leaf springs ONLY,
mounted in original position. Coil spring cars must have springs mounted in
stock location, and use stock trailing arms. Urethane bushings permitted.
I. Stock type brakes systems or dual master cylinders allowed. Dual master cylinders, may NOT be driver
adjustable.
BODY:
A. All bodies must be stock steel bodies. NO fiberglass or aluminum body panels
allowed. Fenders and quarter panels may be cut for wheel clearance ONLY. Five Star Street Stock steel replacement
body panels allowed, must be the 101S body package or individual items stock
replacement parts. NO homemade doors,
fenders, quarter panels, deck lids, hoods or roofs allowed.
B. Doors must be welded or bolted shut.
After market nose, and rear bumper pieces permitted.
C. Quarter panels must remain in original position. Cars with raised quarter
panels or deck lids will be ruled illegal.
D. 6 spoiler allowed, 6 total material, spoiler supports must be a maximum 6
high x 18 long, Maximum of 3 spoiler supports. Spoilers must be mounted rear
of deck lid, and be no wider than factory deck lid, Camaros may run full
factory GM spoiler.
E. Stock bumpers ONLY. No heavy pipe reinforcements behind bumper, lightweight
tube bracing ONLY allowed. NO push bars allowed in front of bumper.
F.Stock unaltered floor pan, firewall and trunk must be retained. No hulling
permitted except front doors for roll cage. Dashboard may be replaced with
sheet metal. All holes in floorboard and firewalls must be covered with sheet
metal. Complete bumper-to-bumper unibody must be retained. Must have stock
bumpers. No bump bars of any kind. May have radiator protection bar, cannot
extend past front bumper. Rear of Car
must be closed in NO Open rears.
WHEELS AND TIRES:
A. Track tire Spec economy D30 Hoosier Racing Tires only.
B. No inner liners.
C. No tire softeners permitted. Tires will be subject to durometer hardness
test at any time to determine legality.
D. Steel wheels ONLY. 10" maximum width. NO aluminum wheels. NO wide 5
wheels or adapters. May Run 10 Steel
Beadlock on right rear ONLY.
SAFETY:
A. Approved helmet and full fire resistant driver's suit required.
B. All cars must have a minimum 2 lb. Fire extinguisher mounted inside of car
within easy reach of driver.
C.Stock seat with headrest okay. Racing seat recommended. Seat must be bolted
with a minimum of 6 3/8" bolts to bars that are welded to roll cage. Must
have 3-point quick release type racing seat belt with shoulder harness 3"
wide. Must be bolted to roll cage with minimum of 3/8" bolt.
D. 6-point roll cage required and must be welded to frame rails and all
connections must be fully welded. All cages must be a minimum diameter of 1
½" and minimum .090 wall thickness. A minimum of 3 horizontal bars is
required in the driver's door and a minimum of 2 in the passenger door. Roll
bar installation and workmanship must be approved.
E. Additional safety requirements are outlined in Section D of General Rules
for all Divisions.
PROTEST:
A. $250 Top End - $50 will be retained by track.
B. Bottom End $250 - $50 will be retained by track.
C. Must protest Top End to protest Bottom End.
D. Crate motors may be protested.
E. Visual protest $25- $25 will be
retained by track.
