ASSOCIATION
OTTPA Garden Tractor Website
www.ottpagardentractors.ca
2017 CORPORATE SPONSORS

Stay tuned for our new corporate
sponsors for the
upcoming pull season
Registration: 12 PM
Start Time:  10 AM
Registration: 12 PM
Start Time:  10 AM
Schedule is posted on schedule page

2017  SCHEDULE
The upcoming season is fast approaching
Have a look and get your weekends all booked up
to attend OTTPA events near you and here some noise

How to Keep Your Pulling Vehicle’s Tires in Top Condition

Tires are among the most important tuning components on a pulling vehicle. They carry the machine, transfer engine power to the track, absorb changing loads, and influence how smoothly the vehicle moves through the course. A tire that looks serviceable in the shop can still create problems when it is exposed to heavy torque, low pressure, heat, and the rough surface of a pulling track.

Good tire care begins long before the vehicle reaches the staging area. Choosing the right construction, checking for damage, setting pressure consistently, and storing tires properly can improve traction and reduce the risk of a failure. These habits also make test results easier to understand because the tire condition remains predictable from event to event.

Pullers competing at association events should treat tire preparation as part of the entire vehicle inspection process. Schedules, event notices, registration details, and safety expectations may vary by venue, so a sound tire routine should fit into the same preparation checklist used for hitch, driveline, brakes, and shielding.

Match the tire to the vehicle and track

A pulling tire must suit the vehicle’s weight, horsepower, drivetrain, and class rules. Agricultural tires, specialty pulling tires, and modified tread designs each behave differently under load. Some provide a flexible footprint that helps the vehicle conform to the track, while others use a stiffer casing for stability at high torque. The correct choice depends on the rules and the surface, rather than on appearance alone.

Check the tire’s size, ply rating, load capacity, speed rating, and approved use before mounting it. A tire that is too light for the vehicle may flex excessively, build heat, or suffer casing damage. A casing that is too stiff may fail to provide the footprint needed for a particular clay or dirt track. Confirm that the tire and wheel combination is compatible, including bead dimensions and recommended rim width.

Tread depth and tread shape deserve close attention. Uneven wear can indicate alignment problems, wheel slip, incorrect pressure, or a bent component. If one side of a tire is wearing faster than the other, inspect the wheel, axle, bearings, and suspension before assuming the tire is the only problem.

Tire factor What to check Why it matters
Size and load rating Match the vehicle and class requirements Prevents overload and excessive casing stress
Casing condition Look for cuts, bulges, separations, and exposed cords Reveals damage that can become dangerous under torque
Tread pattern Check depth, wear balance, and missing lugs Affects bite, wheel speed, and consistency
Inflation pressure Measure cold pressure with a reliable gauge Establishes a repeatable contact patch
Wheel fitment Confirm bead seating, rim condition, and fasteners Reduces the risk of leaks or tire movement
Age and storage history Review service life and exposure to sunlight or chemicals Older rubber may lose flexibility even with good tread

Inspect every tire before a pull

A quick visual inspection should happen before loading, after arrival, and again before the vehicle enters the track. Walk around the entire tire and examine the sidewalls, shoulders, tread blocks, bead area, and the section closest to the rim. Use a strong light when necessary, because small cuts and surface cracking can be difficult to see in a dim trailer or pit area.

Look for bulges, blisters, deep cuts, punctures, missing tread sections, and cracks that extend into the casing. Sidewall damage is especially important because that area flexes heavily under a pulling load. A small mark may be cosmetic, but a cut that exposes fabric or cords is a reason to remove the tire from service. Do not attempt to hide structural damage with sealant, paint, or a plug.

Check for foreign objects in the tread and inspect the valve stem for cracks or leaks. A slow leak can change pressure during a long day and make the vehicle feel inconsistent from one pass to the next. Apply a small amount of approved soapy water around the valve, bead, and suspected puncture area if pressure loss is difficult to locate.

The wheel deserves the same attention as the rubber. Search for bent flanges, cracked welds, elongated bolt holes, corrosion around the bead seat, and loose wheel hardware. Confirm that lug nuts are tightened according to the vehicle manufacturer’s procedure and that the wheel remains centered. Tire problems sometimes begin with a wheel problem that was overlooked during preparation.

Set pressure with a repeatable method

Inflation pressure changes the size and shape of the tire’s contact patch. Lower pressure can increase footprint and allow the tread to follow the surface, while higher pressure can sharpen response and reduce sidewall movement. There is no universal setting for every pulling vehicle. The useful pressure range depends on tire construction, axle load, track moisture, ballast, wheel width, and the rules of the class.

Measure pressure when the tire is cold, using the same accurate gauge each time. A gauge that has been dropped or stored in extreme temperatures may read incorrectly. Keep a dedicated gauge for the pulling vehicle and compare it periodically with a second known-accurate instrument. Record the cold pressure before each pass, then note how much it changes after the run.

Heat affects both pressure and casing behavior. A tire may gain several pounds as it warms, especially after repeated test runs, highway travel, or sitting in direct sun. Do not adjust a hot tire to the normal cold setting without considering the temperature. Wait for the tire to cool when practical, or record the circumstances so the adjustment can be interpreted correctly.

Pressure changes should be made in small, documented steps. Changing several pounds at once makes it difficult to identify whether the result came from inflation, ballast, throttle control, or track conditions. Keep notes on pressure, wheel speed, distance traveled, track moisture, and the vehicle’s behavior. Over time, those notes create a useful setup history for different venues.

Manage heat, ballast, and wheel slip

Excessive wheel slip produces heat quickly. Some slip is part of a successful pass, but uncontrolled spinning can damage tread blocks, overheat the casing, and reduce forward motion. Watch the vehicle’s behavior rather than judging traction by noise alone. A loud, fast-spinning tire may be using engine power without producing useful movement.

Ballast distribution affects tire loading. If one tire carries more weight, it may show a different wear pattern and temperature than the tire on the opposite side. Check both sides after a pass and compare their appearance. A hot shoulder, polished tread area, or unusual chunking can point to uneven loading, alignment, or a setup that is asking too much from the tire.

Cooling between runs is important. Keep tires away from unnecessary exhaust heat, welding sparks, fuel spills, and direct sunlight whenever possible. Avoid spraying cold water onto a very hot tire, since sudden temperature changes can stress rubber and components. Allow natural cooling and keep the vehicle positioned safely while crew members inspect it.

Track conditions can change during an event. Moisture, scraping, packing, and changing temperatures may alter how aggressively the tread works. The sled operator’s role helps explain why consistent track preparation and fair operating practices matter to every competitor. A tire setup that works on an early pass may require careful interpretation when the surface changes later in the class.

Protect tires during transport and storage

Tire care continues after the vehicle leaves the track. Clean away dirt, clay, and chemical residue with water and a mild detergent. Avoid harsh solvents, petroleum products, and unapproved tire dressings because they can remove protective compounds or weaken the rubber. Dry the tire before covering it so moisture is not trapped against the sidewall or bead.

During transport, prevent tires from rubbing against metal edges, chains, ramps, or other equipment. Use suitable tie-downs and leave enough clearance for movement. If spare tires are stacked, place a clean barrier between them and avoid storing heavy parts on top. A tire that is undamaged at the track can be cut during loading if the trailer is crowded.

Store tires in a cool, dry, dark location with moderate temperatures. Keep them away from electric motors, battery chargers, ozone-producing equipment, fuel, solvents, and welding areas. If a tire is removed from a wheel, store it in a position that does not create a permanent flat area, and rotate stored tires periodically when practical.

Record each tire’s position, purchase date, number of events, and notable repairs or pressure changes. Marking tires as left front, right front, or rear can help identify patterns. A written history is especially useful when a tire moves between vehicles or when a crew is comparing several compounds and tread designs.

Replace tires before failure

Tread remaining is only one part of a tire’s service condition. Rubber can harden with age, and internal damage may develop without an obvious external warning. Frequent heat cycles, heavy wheel slip, ultraviolet exposure, improper storage, and low-pressure operation all shorten useful life. A tire with acceptable tread may still be unsuitable for competition if its casing has lost flexibility or shows signs of separation.

Retire a tire when it has exposed cords, deep structural cuts, a persistent bulge, bead damage, repeated air loss, severe cracking, or unexplained vibration. Do not use a tire with a repair that falls outside the manufacturer’s or tire professional’s guidelines. A temporary repair may be appropriate for controlled transport, but competition loads require a much higher standard.

Replace tires as a matched set when the axle depends on similar traction and rolling characteristics. Mixing substantially different constructions, ages, or tread conditions can make the vehicle unpredictable. If budget or availability requires replacing fewer tires, document the change and monitor temperature, wear, and wheel slip closely.

Before an event, review the association’s current notices and plan enough time for a proper tire inspection rather than rushing through the pits. Community events such as the annual banquet notice reflect the wider organization behind the competition, where safety, sportsmanship, and preparation remain central to the sport.

Use a simple tire preparation routine

A written checklist keeps tire care consistent when several crew members share responsibilities. It should cover cold pressure, tread and sidewall condition, wheel hardware, valve stems, leaks, temperature readings, and storage equipment. Use the same order every time so a basic item is less likely to be missed during a busy event day.

Recommended habits include:

  • Measure and record cold pressure before loading and before each competition pass.
  • Inspect sidewalls, beads, tread blocks, and wheels for damage after every run.
  • Keep a second accurate pressure gauge available for comparison.
  • Store tires away from sunlight, ozone, fuel, solvents, welding areas, and sharp equipment.
  • Replace tires with structural damage or uncertain service history instead of testing them under competition load.

The most useful checklist is one that leads to clear decisions. If a tire loses pressure, remove it from service until the cause is identified. If temperatures differ significantly from side to side, inspect loading, alignment, and wheel slip. If the same tread area repeatedly wears or chunks, change the setup or consult a qualified tire professional rather than simply mounting another tire.

Turn tire data into better setup decisions

Tire performance should be evaluated with evidence from several passes. Record the track condition, tire pressure, ballast arrangement, engine behavior, gear selection, wheel slip, and distance. Add notes about whether the vehicle hooked cleanly, spun early, bounced, or moved sideways. A single pass can be misleading, while repeated observations reveal useful trends.

A tire that performs well on a damp, freshly prepared surface may feel too soft or unstable as the track dries. Likewise, a pressure that provides excellent bite may create excessive sidewall movement on a harder surface. Adjust gradually and avoid changing pressure, ballast, and driving technique at the same time. Controlled changes make the outcome easier to understand.

Crew communication matters. The driver should report steering feel, vibration, wheel hop, and changes in traction. The crew should compare those comments with tire temperature, pressure gain, and tread appearance. If the vehicle develops a new vibration or pulls to one side, stop and inspect it rather than completing additional passes in the hope that the symptom disappears.

Consistent maintenance gives a pulling team a safer and more predictable vehicle. Inspecting the tires before each event, protecting them between competitions, and retiring questionable rubber can preserve performance while reducing preventable failures. Build the routine into registration-day preparation, trailer loading, and post-event cleanup, then use the results to guide the next setup. When tires are treated as carefully as the engine and driveline, every pull becomes a clearer test of preparation, tuning, and driving skill.

T EST and TUNE
May 20th @ Dan Fair
1208 Sharpe Line, Cavan
Contact Dan @ 705-930-4594
Food will be provided, so plan to attend