2024 FLORIDA PRO TRUCK RULES
***SUNOCO RACING FUEL REQUIRED PURCHASE PER EVENT: 5 GALLONS***
****MAKE UP EVENTS DUE TO RAIN OUT WILL NOT REQUIRE ADDITIONAL FUEL PURCHASE****
Track Requirement:
A Minimum Tire Purchase of 2 required per event.
Fuel Burn off: 50 Laps, 25 lbs. 75 Laps, 50 lbs.
Weight:
1. 602, 603 Crate & M6007S347JR Motors with Factory or Track Seals 2850 lb. with 57% left side.
2. 305 and 302 Built Motors and Unsealed Crate motors 2950 lb. with 57% left side.
*** These weights can be adjusted at the discretion of the track to equalize the competition, with verbal and then written notice ***
Truck:
1. Only GM Metric frame 1978-1987 may be used with a 6” minimum ride height on chassis. Frame can be X” d.
2. OEM GM metric frame only may be used 1978-1987 Chevrolet Malibu, Monte Carlo or Unaltered replacement JohnsonChassis #JCI-09-1B (“XYZ”
or Johnson clip and/or chassis must be raced as manufactured by Johnson Chassis, any modifications will be deemed illegal per their
Watchdog Inspection Tools. Frames must retain original 108-inch wheelbase. Maximum allowable difference from side to side is 1/2 inch.
3. Maximum Tread Width 63” front and rear (62” using Referee).
4. Chassis must remain stock unless otherwise specifically noted in rules.
5. Frame may be fabricated from 6” forward of the centerli3ne of the rear axle and from front sway bar forward.
6. Cross member must remain stock and in stock location, it may be notched for oil pan clearance only and must be boxed with 1/8-inch steel. If yours
had been cut you must add square tube metal to make it same height, width and depth as a stock one.
7. All pick up points must remain stock in stock locations. Front Lower arms and rear trailing arms. No modifications to arms, holes, no drilling and
lightening allowed.
Front Suspension:
1. Front suspension components must remain stock, unless otherwise noted in another rule.
2. Heavy-duty steel or aluminum aftermarket hubs & rotors are required on the right front wheel.
3. Springs must mount in stock location. Top of frame may be changed to add wedge bolts or to allow for springremoval.
4. Shocks must be mounted directly to the lower A-arm.
5. Pitman arm and steering arm may be changed; aftermarket center link is permitted.
6. Steel Heim-type tie rod ends on both ends will be permitted.
7. Upper and Lower ball joints may be any bolt on or screw in type ball joints. No relocating of lower ball joints allowed.
8. A maximum of one 360-degree spring rubber allowed on front or rear springs. Coil-spring rubber inserts are permitted, no leaf springs or torsion
bars permitted.
9. Steel, poly or mono-ball bushings ok, no offset or eccentric bushings.
10. Sway bar must be 1-piece stock 1 3/8” maximum diameter.
Steering:
1. Stock OEM steering box, may change ratio (updated 5-21-19) in stock location.
2. Spindles or Part #91034501 3-Piece IMCA 1979-Up GM Metric Midsize Spindle, bearings and hubs, Stock HD aftermarket hubs and rotors are
allowed. Spindle savers are recommended. Steering arms must be same length on right and left.
Shocks:
1. Only 1 steel body non-adjustable shock per wheel permitted. Adjustable shafts, base valves and canisters are not permitted.
2. Shocks may have Schrader Valves and internal parts must remain as purchased with a Maximum cost of $200.00 pershock
3. Internal rebuild parts must remain as purchased in that shock not to exceed the retail value. Shocks can be claimedfor
$200.00 each by track or competitor. Refusal will be a DQ, loss of money, points and a $200.00 fine.
4. NO BUMP STOPS, COIL BINDING, BUMP SPRINGS OR CHASSIS LIMITERS (up or down).
Body:
1. (See Diagram) Approved Truck body Manufacturers are: AR Bodies, Lightning Light and Five-Star. May make own aluminum body pieces, NO
carbon fiber and must be approved by Track, and fit templates.
2. Only approved bodies are: 1997 – 2009 Chevy C-10/C1500 Silverado, 1997 – 2009 Ford F150, 1997 – 2009 Dodge Ram, 2004-2009 Toyota.
3.Body must be centered of the frame with wheels in center of wheel wells with 2” tolerance. All body parts must be attached firmly to cage or frame
and is subject to approval. Body ground clearance is a minimum of 4 inches measured anywhere.
4. All body support brackets must be solid and located inside the body structure.
5. Nose Width is 79.5” max. Front air dams must maintain their original configuration.
• Speedway Officials shall be empowered to permit minor deviations from any of the
specifications herein or impose any further restrictions that in his/her opinion does not alter the
minimum acceptable requirements. No expressed or implied warranty of safety shall result from
such altercation of specifications.
• Speedway reserves the right to update, modify, and/or delete rules at any time deemed
necessary to ensure safety, fair competition or any other reason that may be appropriate.
• The word STOCK used within this set of rules means as originally produced by the
manufacturer for that make/model/year of car with no altering or modifications. Stock
replacement parts ok but must be same dimensions, weight, and/or volume as OEM the part.
Determination of whether an aftermarket part is legal will be the tech inspector’s decision.
• NO CARBON FIBER, TUNGSTON OR TITANIUM PERMITTED ANYWHERE ON CAR. NO
BUMP STOPS, COIL BINDING, BUMP SPRINGS OR CHASSIS LIMITERS (up or down).
• NO TRACTION CONTROL DEVICE(S) OF ANY KIND.
6. Maximum rake for roof is 1”. Front windshield braces are mandatory.
7. Minimum side window opening must be at least 16” and may have 1/8” Lexan vents only, 9” high, 12” lengthmax
8. Front and Rear windows must be full 1/8” Lexan.
9. Hoods to remain stock with the following opening of 2.5” x 20” cut in the rear of the hood and centered behind air filter and a 1.5” x 1.5” X 20” heat
deflector may be installed on the fire wall at this opening.
10. Fiberglass, sheet metal or aluminum rear deck lids flush with quarter panels are mandatory must be able to open for technical inspections.
11.No Lexan or metal air deflectors on rear deck or attached to rear down bars.
12. 6” x 60” clear solid rear spoiler is mandatory with a 55 Degree Minimum angle with approved braces on back side. 13.Unmodified Stock rear
bumper cover is mandatory and must be complete.
14. Rear deck height maximum is 40 inches.
15. No tape allowed on truck unless approved for damage. Interior:
16.Vehicle interior must be complete and shield driver from the ground, engine compartment and fuel cell area.
17.Drivers floor must be steel; the rest of the compartment can be from steel or aluminum but must be fully enclosed and extend from left to right side
of truck.
18.Truck must have a rear firewall to separate driver from fuel tank. Firewall may be welded, riveted or bolted.
19.May have installed digital dash panels.
Rear Suspension / Rear-end:
1. Rear differential housing must be stock steel 7.5” – 10 bolt GM or 9” Ford housing. All rear-end parts must be steel and must have a 1” inspection
hole in cover.
2. OEM stock rear trailing arms only and must mount in original holes in frame. No cambered rear ends permitted. Distance between the centers of the
bolts on the upper arms should be no less than 10 1⁄4 “. Must use stock OEM factory control arms, bushings at both the front and rear of the trailing
arms must be original rubber or polyurethane.
3. Rear spring perch must remain on the top of the axle tube. Rear springs must mount on top of axle tube and must be standard 5” diameter rear
springs. Shocks mount in stock location.
4. Ring gear and pinion must be stock and mount directly in housing.
5. Only stock ring and pinion, off the shelf available gears allowed. No custom ground or lightened gears allowed. GM 273- 456 gears, Ford 9inch may
use 300 and above gears, non-lightened, non-back cut, non-polished gears. Welded spider gears, mini spool or any spool must weigh 6.1 pounds or
more with stock steel/cast carrier will only be allowed.
6. Only solid steel axles will be allowed.
7. No rear Pan-hard or sway bars.
Tires and Wheels:
1. Track approved tires only. No soaking or altering of tire in any manor allowed. Drivers soaking or altering tires will forfeit all purse and points for the
event and all track points for the year. Driver must also pay a $1,000 fine prior to being allowed to compete at Speedway. Any illegal tire, in the
judgment of Speedway Officials, will be confiscated.
2. 8” steel racing wheels with any offset and no wheel weights or bleeders allowed. Any safety hub with 5/8” wheel studs only.
Brakes:
1. Four-wheel disc brakes must be in full working condition with any OEM appearing single piston caliper only.
2. Only cast iron or steel rotors allowed.
Transmission:
1. Only GM Turbo 350 and Ford C4 or C6 automatic transmissions allowed with following exceptions. No drilling or lightening on the transmission or
interior parts except the following items for oiling purposes. Front Planetary Reaction Gear per spec – see tech for spec sheet. Sun shell cover (must be
a solid stock type) may be drilled at back per spec – see tech for spec sheet.
2. Must have all forward and reverse gears working. No modifications.
3. GM Turbo 350 may use 2.75 low gear – 1.57 second gear option and with no turbo 200/250 parts used in 350 transmissions.
4. No aluminum or billet parts allowed in transmission.
5. Torque convertor must be minimum diameter of 10” and working.
6. Transmission coolers with fans allowed and all cooling lines must be steel braided with screw on fittings.
7. Safety Bell Housing and/or flex plate shield ok.
8. Solid output shafts only, no gun drilled or hollowed shafts allowed.
9. JW Transmissions, TCI Transmissions or others allowed as long as they meet these rules.
10. Standard steel or aluminum 3-speed or 4-speed OEM or OEM style synchronized manual transmissions must have helical gears only. No straight-
cut gears, magnesium or gun-drilled main shafts permitted. Two lever shifter or H-pattern shifter only. No Rankin type or cluster-disconnect
transmissions or 2-speed transmission will be permitted.
11. No internal clutch-type transmissions allowed and must have external clutch, pressure plate, and flywheel assembly.
12. Transmission must have all forward gears and one (1) working reverse gear.
13. No overdrive or under driven transmissions permitted. High gear must be 1 to 1 and no other gear may have a ratio higher than 1.20 to 1.
Clutch / Flywheel / Drive shaft:
1. Standard OEM or OEM-type and size clutch, steel pressure plate, steel flywheel, and throw-out bearing permitted.
2. No Light Weight Parts: 10,000 RPM etc. Stock Clutch minimum 10” Solid hub clutch only and must have pad or full circle.
3. Clutches must be positive engagement design. Slider or slipper clutch designs are not permitted. No carbon fiber clutches.
4. Fly wheel must weigh minimum of 14 pounds.
5. Standard transmission must use shatter proof bell housing with 2” hole in bell housing for inspection.
6. Only Steel driveshaft and must be painted white with truck number on it with 2 drive-shaft safety loops mandatory.
Engines: Vacuum Rules (Each truck must have a vacuum port and fitting to check)
1. 603 Crate – 18 Minimum @ 950 rpm
2. 602 Crate – 18 Minimum @ 950 rpm
3.305 Chevy – Check Cam Lift – 474-510
4. 347Jr Ford – 19 Minimum @ 950 rpm
5. 351 Ford – 13 Minimum @ 950 rpm
6. Anything below these vacuums is wrong.
Built Engines / Non-Crate:
Blocks:
1. Stock cast iron production blocks only. Gm 305, Ford 302. No altering of lifter bore and wet sump engines only.
2. May be studded in mains only, no aftermarket caps, may be two or four bolt if that was available.
3. Maximum of .060 + .010 wear, no sleeve down blocks. Blocks must maintain OEM type bearings in the main and cam journals.
4. All factory casting numbers must remain may add oil screens and paint block.
5. Minimum deck height on all is .000.
6. Any questions/concerns regarding the legality of internal parts should be directed to the tech inspector, prior to racing. Track reserves the right to use
weight to penalize violations, equal competition and will do so at theirdiscretion.
Heads:
Only factory production, cast iron heads that are OEM for the engine type being used and that produces the factory specified volumes, are permitted.
Stainless steel valves and three angle valve jobs are allowed.
1. Minimum combustion chamber volumes will be Chevy 52cc and Ford 52cc with no tolerance.
2. No porting, polishing, port matching, decking beyond the chamber min. volume, angle milling or grinding will beallowed.
3. Any type guide material may be used but valve guides must be in the stock factory location, angle and spacing only.
4. Valve springs must be of the stock type with No triple, conical, beehives, or progressive springs allowed.
5. Valve stems must be stock height only.
6. Retainers must be steel or chrome-molly steel only. Valve spring retainers must be stock type only. Plus, or minus height retainers are allowed.
7. Valve spring keepers must be stock type only. Seven- or ten-degree locks may be used. No spring cups.
8. All heads must have visible and unaltered casting numbers.
Chevrolet
Any stock 305 head # 12558059, #12529180 or Engine quest CH305b allowed. Part number 1023906 head not permitted.
1. 52 cc minimum
2. Stock valve 1.84 intake/1.50 exhaust.
3. No deburring, polishing or hand blending permitted.
4. Studs may be pinned or screw in studs and guide plates allowed.
5. 1.5 roller rockers ok.
Ford
1. Ford GT-40, GTP 40 heads or 302 heads permitted with 52cc minimum.
2. Stock valve 1.84 intake/1.50 exhaust. Stainless steel replacement valves permitted.
3. No deburring, polishing or hand blending permitted.
4. Studs may be pinned or screw in studs and guide plates and 1.6 roller rockers allowed.
Intake
1. Chevy # 7101, 7116, 2116 / Ford must use OEM intake for block used.
2. No porting, polishing, milling or coatings in runners.
3. No laser treating or micro holes allowed in intake.
Rods
1. OEM or OEM appearing after-market steel rods and length Chevrolet 5.700, Ford 5.090 only.
2. No lightening, beam polishing, or exterior machine work allowed on rods.
Pistons:
1.Any Flat top or dished top pistons allowed with wrist pin in OEM position and no lightweight pins.
Crankshafts:
1. Only OEM or stock replacement Chevy and Ford cast iron or steel crankshafts allowed with OEM stroke.
2. No O.D. turning, lightening, knife edging or weight polishing will be allowed, except for “Mallory Metal”, or minimalmetal removal for balancing.
Minimum weights- Ford 32lbs and Chevy 48lbs.
3. Any type harmonic dampener or flywheel allowed and SFI approved units recommended.
Camshaft:
1. Flat tappet or hydraulic cam with maximum lifts of .474/.510 duration engine builders optional.
2. Lifters stock size hydraulic, anti-pump up or solid allowed.
3. No lightweight push rods allowed. No rev kits, offset rocker arms, roller lifters, light weight lifters, coated lifters, mushroom lifters, or oversize lifters
are permitted.
4. Stock or roller timing chains but no gear to gear or belt drives allowed.
CRATE ENGINES:
GM 602 with Holley 650 HP 4150-80541 allowed but totally by the GM manual with a Maximum 9.6:1 compression. GM 603 with Holley 500 CFM old
style 4412 only but must follow the Gm Manual unless listed below.
603 OPTIONS ONLY:
1. Optional valve springs stock diameter, no double springs max 130 lbs. Comp # 941 is allowed.
2. Self-aligning Stamp Rollers or 1.5 Roller rockers only.
3. Maximum 10.3:1 COMPRESSION RATIO.
4. MAX overbore .030 + .010.
FORD 347JR
1. This engine must follow the Ford Racing Technical Manual only. Maximum of 10.2:1 compression ratio. FORD 351W
1. May use m6513-bh bearings.
2. Intake to be used must be intake that came with motor only.
3. 52cc minimum on heads
4. Must maintain 10.2:1 compression ratio
5. Due to several cam combo’s these are the numbers that are legal. M6250-e303, m6250-x303 andm6250-z3003.
6. Minimum deck height .014
7. Refer to Ford Performance Manual for any other details. 8. Max overbore .030 + .010 for wear. Note: All engines must have an inspection plug
w/plug (minimum 1′′) on left front of oil pan.
Carburetor:
1. Carburetor- Unaltered Holley old style 4412, 500 CFM gauge legal with a maximum 1.065 spacer/adapter between intake and carburetor and choke
horn may be removed.
2. 602 Crate can run a Holley 650 HP 4150-80541 gauge legal four barrel. No alterations or modifications, with amaximum 1.065 spacer/seal between
intake and carburetor.
Air cleaner:
1.A round un-altered air cleaner element with a maximum diameter of fourteen (14) inches with a maximum height of four (4) inches is required. All air
must be filtered thru this filter or through the use of a Cold air box on the top of the carburetor that encases the air filter. No ram air will be allowed.
2. Hoods to remain stock with the following opening of 2.5” x 20” cut in the rear of the hood and centered behind air filter and a 1.5” x 1.5” X 20” heat
deflector may be installed on the fire wall at this opening.
Fuel system:
1.Sunoco 110 or equivalent, No fuel additives, ethanol or E85 will be permitted. Track Officials reserves the right to test the fuel at any time. Fuel
pump-stock mounted mechanical pump only.
2.The fuel cell must be a magnetic steel container made from no less than 22-gauge magnetic steel.
3.The use of ice, wet or dry, for the purpose of cooling the engine, air cleaner, or fuel system is not allowed.
4.Maximum fuel cell capacity is 22 gallons and must maintain a minimum ground clearance of8-inches.
5.OBERG Fuel Valve # SV-0828 or SRI # FFF-FSV Mandatory near cell and after filter.
Cooling system:
1. Stock type water pump, no electric with Recommended to have overflow hose mounted to right corner of windshield.
2. Water wetter ok, no anti-freeze may be used.
Exhaust:
1. Steel headers optional with a maximum diameter of 3” collectors and 3” exhaust pipes the rest of the way out.
2. All exhaust system must exit past the driver’s compartment. The minimum exhaust system ground clearance is 3inches.
Engine location:
1. Must be centered between frame rails, 1” tolerance.
2. Crankshaft height is 12” from center of the crank to the ground. Engine placement is measured from the spark plug (closet to the radiator) centerline
to an imaginary line projected between the left and right upper a-arm ball joint as follows;
A. All Chevrolets: 4 inches on the driver’s side forward of the ball joint.
B. Fords 1.75 inches on passenger side forward of ball joint.
Ignition:
1. Mandatory Crane Cams Ignition part # 6000-6701 only as produced from Crane/Fast. Mounted on right side of truck dials pointed out the passenger
side on original plate. The mag positive & negative shall be a maximum length of 62 inches. Must remain uncut or spliced and on top of dash in clear
view.
2. Only one box will be permitted must be mounted on right side.
3. All wires must be exposed and in plain view and easily traced by tech officials.
4. Maximum RPM’s will be Crates 6300 and Built 7000.
5.Single Battery 12-volt system only and battery disconnect switch is mandatory and accessible to the safety crew anddriver.
Driver Safety Rules:
1. You must have proper rated 2010 or newer Snell approved helmet.
2. A type of head and neck restraint is mandatory.
3. Complete SFI or FIA RATED fire-suit, gloves, and shoes are mandatory in good condition.
4. Driver’s window net SFI or FIA RATED must have quick release, with latch at top left and be no older than 5 yearsold.
5. Commercially made aluminum racing seats with rubber pads mandatory.
6. Safety SFI or FIA RATED Harness 5-point minimum must be no older than 5 years old.
7. Proper resilient padding for roll bar use must be installed on roll cage around driver. Steering Wheel must be padded.
8. Fully Charged fire extinguisher mandatory and On-Board fire system is highly recommended.
Truck Safety Rules:
1. Roll cages must be built of 1 3⁄4 “.095 thickness tubing minimum.
2. Cages must be attached properly in at least 8 spots on the chassis.
3. Minimum of 4 door bars on the left side, plated with 1/8-inch steel.
4. All roll bars around driver must be padded.
5. Additional weight may be added in block form of no less than 5-pound blocks (no pellets). Dislodged weight cannot be returned to car for weighing
after race. All added weight must be painted white with truck number painted in red or black and securely mounted. Any lost weight will result in a
$10 per pound fine to the driver. No lead weights will be allowed inside the driver compartment.
Protests:
1. You must be in top 10 and on lead lap to protest and be filed within 10 minutes of checker flag and must be specific. 2.Must be made in writing
specifying the rule(s) considered to have been violated.
3. All protest fees must be paid in cash. P&G, Carburetor inspection $75, Whistler check $150 Track retains $50; Top end tear down $800, Track
retains $150. Scope check of the crank area $150 Track retains $50. Complete Motor Tear down $1,000, Track retains $300.
4. Only the protested truck’s owner or driver plus two crew members, the protesting driver or owner who competed in the race, 1 crew member and
Track officials in the tech area for the protest tech. Procedure or the specific rule they are protesting.
5. Visual protests are to be honored any time before the race and does not have to be in written form but need to be brought to tech or Track official.
The infraction must be either corrected or tech may use a weight penalty for that race if not able to fix that day. Amount of weight is at the Tech
Official’s discretion.
6. Excessive or spite protesting will not be tolerated and can result in disqualification, loss of points and possible disqualification.
7. Do not remove or alter any casting or Truck part numbers.
8. Tech reserves the right to check any truck in the field at any time, in any finishing order if he chooses to. They must conform to rules, or face
disqualification. Protest or tech tear down refusal: (includes engine, drive trainetc.)
9. Any truck owner/driver refusing any protest or tear down for any reason will lose all money, points, awards, trophies earned for that race date.
10. The next race that truck will be inspected after race regardless of where it finishes.
Penalties:
In the event of disqualification, the driver will not receive any money or points for that race and must start last at next race. Please be sure you have
read and understand all these rules, if you do not please be sure to ask a Track Official for clarification. Not understanding the rules is not an excuse to
break them. The word stock, used within the rules, means as originally produced by the manufacturer for that make/model/ and/or year of the truck. It
is stock with no altering or modifications. Aftermarket parts must be same dimensions, weight, and/or volume as the OEM part. Determination of
whether anything is legal will be the tech and Track Officials decision. No Carbon Fiber or Titanium permitted anywhere in the truck. No Traction
control devices of any kind allowed. If it does not say you can do it, you probably can’t.
Talk to the Tech Inspector if you have any questions. Do not assume anything. These weights can be adjusted at the Tech Inspector and Series
Management’s discretion to equalize the competition, with notice.
RULE BOOK DISCLAIMER:
The rules and/or regulations set forth herein are designed to provide for the orderly conduct of racing events and to establish minimum acceptable
requirements for such events. These rules shall govern the condition of all events, and by participating in these events, all participants are deemed to
have complied with these rules. NO EXPRESS OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM THE PUBLICATION OF OR
COMPLIANCE WITH THESE RULES AND/OR REGULATIONS. They are
intended entirely as a guide for the conduct of the sport and in no way guarantee against injury or death to any participant, spectator or official. The
Tech Inspector shall be empowered to permit reasonable and appropriate deviation from any of the specifications herein or impose any further
restrictions that in their opinion do not alter the minimum
acceptable requirements. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM SUCH ALTERATIONS OR
DEVIATIONS. Any Interpretation or deviation of these rules is left to the discretion of the officials and is final and binding. On occasion when situations
arise that are not covered by written rules herein, special rulings may be put into effect by the track officials. Once such rulings are acted upon, they
may become an act of policy and will be added to the existing rules of procedures.
Truck Championship Payout
1st: One Set of 955's & 5 Gal Sunoco Fuel
2nd: Two 955's & 10 Gal Sunoco Fuel
3rd: Two 955's & 5 Gal Sunoco Fuel
4th: Two 955's & One Armband
5th: Two 955's & One Armband
Copyright © 2024 Citrus County Speedway and Track - All Rights Reserved.
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