How To Speed Up A Golf Cart: Ultimate Performance Guide

You want to make your golf cart faster, right? Yes, you can make your golf cart go faster. There are many ways to do this. You can make simple changes, or you can do big upgrades. The best way to speed up a golf cart depends on what you want. It also depends on how much money you want to spend. This guide will show you how to boost your golf cart’s speed. We will cover simple tweaks and major golf cart performance upgrades.

How To Speed Up A Golf Cart
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Unlocking Your Golf Cart’s True Speed Potential

Making your golf cart faster is exciting. It lets you get more out of your ride. Maybe you use it for golfing. Or maybe you use it for fun. A faster cart can be more useful. We will look at many ways to make your cart quicker.

Simple Speed Boosts: Governor Adjustment

Adjusting the governor is often the easiest way to add speed. This is true for gas carts. It can also help electric carts. The governor limits your cart’s top speed. It does this to keep the engine safe. Or it limits how fast the motor can spin.

Gas Golf Cart Governor Adjustment

Gas golf carts have a mechanical governor. This part controls engine speed. It stops the engine from over-revving. You can often adjust it for more speed.

Here is how you might do it:

Find the governor: Look near the engine’s throttle cable. It often connects to a spring. Or it connects to a rotating arm.
Locate the adjustment bolt: Many gas carts have a bolt. This bolt lets you change the governor’s setting. It is usually a locknut and a bolt.
Loosen the locknut: Use a wrench. Turn the locknut counter-clockwise.
Tighten the bolt: Turn the adjustment bolt clockwise. Make small turns. Each turn will increase the top speed.
Test and re-tighten: Drive the cart. See if the speed is right. If it is, tighten the locknut. Do not overtighten. Over-tightening can damage the engine.

Some gas carts have different governor systems. They might use a simple cable clamp. Loosening this clamp can also add speed. Always be careful. Going too fast can be unsafe. It can also harm your engine.

Electric Golf Cart Governor Adjustment (Speed Chip)

Electric carts do not have a mechanical governor like gas carts. But they have speed limits. These limits are set by the speed controller. Some older electric carts had a “speed chip” option. This chip would change the controller’s settings. It allowed the cart to go faster.

Today, many electric carts use software. You can change speed settings through a dealer. Or you can buy a new speed controller. We will talk about controllers soon. Adjusting the governor is a good first step for gas carts. It is often free or very low cost.

Enhancing Electrical Power: Controller and Motor Upgrades

For electric golf carts, the motor and controller are key. They make the cart move. Upgrading these parts gives you a big speed boost. It also adds more power.

Electric Golf Cart Speed Controller Upgrade

What is a speed controller? It is like the brain of your electric cart. It takes power from the batteries. Then it sends that power to the motor. It controls how fast the motor spins. It also controls how much power the motor gets.

Why upgrade your controller?

More power: A bigger controller can handle more amps. More amps mean more power to the motor. This leads to higher speeds. It also means quicker starts.
Better control: Many aftermarket controllers offer better control. You can change settings. This lets you fine-tune speed. It also lets you fine-tune acceleration.
Works with other upgrades: A new controller often works well with new motors. It also works with higher voltage. You might need it if you want to make big changes.

How to choose a new controller:

Amp rating: Look at the amp rating. Higher amps mean more power. Common upgrades go from 275A to 400A or 500A. Some go even higher.
Compatibility: Make sure it fits your cart. Check your cart’s make and model. Check its voltage (36V, 48V, etc.).
Features: Some controllers have extra features. They might have regenerative braking. Or they might have USB ports for programming.

Brands like Alltrax and Navitas are popular. They make strong, reliable controllers. Installing a controller can be tricky. It is best to have some mechanical skill. Or you can have a pro do it.

High-Speed Golf Cart Motor Installation

The motor turns electrical energy into motion. A stronger motor makes your cart faster. It also gives it more torque. Torque helps you climb hills.

What kind of motor do you have?
Electric golf carts usually have one of two motor types:

Series Motors: These motors are simple. They give great torque. They are good for rough terrain. But they often have lower top speeds. They need a beefy controller.
Shunt (Sepex) Motors: These are more common in newer carts. They offer a good mix of speed and torque. They also offer regenerative braking. This means they put power back into batteries when you slow down.

How a new motor boosts speed:
A new high-speed golf cart motor is designed for speed. It has more horsepower (HP). It also has a higher RPM (revolutions per minute) rating. This means it can spin faster. A faster spinning motor means a faster cart.

What to look for in a new motor:

HP and RPM: These numbers show how powerful and fast the motor is.
Motor type: Make sure it matches your cart’s setup.
Controller match: Your new motor needs a controller that can handle its power. They must work together. Many people buy motor and controller kits. This makes sure they match.

Motor Type	Benefits	Speed vs. Torque	Common Use
Series	High torque, durable	Lower top speed, great for hills	Utility carts, off-road
Shunt (Sepex)	Good balance, regenerative braking	Higher top speed, good for flat land	Golf courses, street use

Replacing the motor is a bigger job. It takes more time and skill. But it offers a big jump in speed. It often costs more than a controller upgrade alone.

Powering Up: Battery and Voltage Boosts

Your cart’s power source matters a lot. Upgrading batteries can add speed. It can also give you more range.

Increasing Golf Cart Voltage

Most golf carts are 36V or 48V. You can increase the voltage. This is a common way to get more speed. More voltage means more power to the motor. This makes the motor spin faster.

Common voltage increases:

36V to 48V: This is a popular upgrade. It gives a good speed boost. It often needs a new controller and motor. Your old 36V parts might not handle 48V.
48V to 72V: This is a big jump. It offers a lot of speed. But it definitely needs new parts. You will need a new controller. You will also need a new motor. All wiring must be able to handle it.

Safety First: Higher voltage is more dangerous. It can cause serious injury. Or it can harm your cart. Always be careful. Follow safety rules. If you are not sure, get help from a pro.

This upgrade is not just about adding batteries. You need to make sure all parts can handle the new voltage. This includes your charger. It also includes your solenoid. You might need to replace these parts too.

Lithium Golf Cart Battery Conversion

Many carts use lead-acid batteries. These batteries are heavy. They also need care. Lithium golf cart battery conversion is a new trend. Lithium batteries offer many benefits.

Benefits of lithium batteries:

Lighter weight: Lithium batteries weigh much less. Less weight means your cart can go faster. It also makes it easier to handle.
More power: They hold a steady voltage. This gives more power to your motor. This means better acceleration. It also means higher top speeds.
Longer life: Lithium batteries last much longer. They can last 5-10 times longer than lead-acid.
Faster charging: They charge much quicker. You can get a full charge in a few hours.
No maintenance: You do not need to add water. They do not corrode.

Impact on speed:
A lithium conversion can add 5-10 mph to your cart’s speed. This is because they are lighter. They also deliver more consistent power.

Cost vs. lead-acid:
Lithium batteries cost more up front. But they save money over time. This is because they last longer. You also save on maintenance costs.

What you need for conversion:

Lithium battery pack: Choose the right voltage and amp-hour rating.
Compatible charger: Your old lead-acid charger will not work. You need a new one.
Battery management system (BMS): Most lithium packs have a built-in BMS. This keeps the battery safe.
Possible controller adjustment: Some controllers need new settings for lithium.

Lithium conversion is a big upgrade. It is an investment. But it offers great returns in performance and ease of use.

Mechanical Tweaks for More Speed

Not all speed comes from electrical power. You can also make mechanical changes. These changes affect how your cart moves.

Golf Cart Gear Ratio Change

Your golf cart has gears. These gears are in the rear axle. They are called the differential. The golf cart gear ratio change affects speed and torque.

What is gear ratio? It is the number of times the motor shaft turns for one turn of the wheels. A lower number means more speed. A higher number means more torque.
How it works: Stock carts have a certain gear ratio. This ratio balances speed and power. If you want more speed, you can change the gears. You put in “high-speed gears.”
Impact on speed: High-speed gears make your cart go faster. They are like putting your car in a higher gear. The wheels spin faster for the same motor RPM.
Impact on torque: The trade-off is less torque. This means your cart will be slower to start. It will also be weaker on hills. This is important if you carry heavy loads.

Changing gears is a big job. It means opening the differential. It needs special tools. Most people have a mechanic do this. It is a good option if you want maximum speed on flat ground.

Golf Cart Tire Size for Speed

This is a simple mechanical change. Putting bigger tires on your golf cart can increase speed.

How it works: A larger tire covers more ground with each spin. Think of it like changing your car’s gear ratio. It gives you a higher “effective” gear. This boosts your top speed.
Impact on speed: You can gain a few miles per hour. The bigger the tire, the more speed you get.
Impact on torque: Like gear changes, bigger tires reduce torque. Your cart will feel slower off the line. It will also struggle more on hills.
Clearance issues: Bigger tires need more space. Your cart might need a lift kit. This raises the cart’s body. It stops the tires from rubbing.
Speedometer error: Your speedometer will read too low. It is set for smaller tires.

Choose tires that are a good size for your cart. Do not go too big without a lift kit. Also, consider the terrain. Bigger tires are not always better for all uses.

Brand-Specific Speed Modifications

Different golf cart brands have different systems. What works for one cart might not work for another. Let us look at two popular brands.

EZ-GO Speed Modifications

EZ-GO carts are very popular. They have different models. These models have different electrical systems.

PDS (Precision Drive System) Carts: These are common electric EZ-GO carts. They are easier to speed up.
- Controller Upgrade: Replacing the stock controller is key. Brands like Alltrax and Navitas make plug-and-play options. These give huge speed gains.
- Motor Upgrade: Pair a new controller with a high-speed motor. This will maximize speed.
- Speed Chip: Older PDS carts might have a “run/tow” switch. Some PDS controllers had a speed chip. Installing it or flipping a switch increased speed.
- Lithium Conversion: PDS carts respond well to lithium batteries. This adds speed and range.
Series Carts: These are older electric EZ-GO carts. They have more torque.
- Controller and Motor: You will need a strong series controller. You will also need a series motor. These are built for power.
- Voltage Increase: Going from 36V to 48V is a common upgrade for series carts. This needs a new controller and motor.
Gas EZ-GO Carts:
- Governor Adjustment: This is the easiest first step. Find the governor spring near the engine. Tighten the spring for more speed.
- Clutch Upgrades: Better clutches can help the engine deliver power more smoothly. This gives better acceleration.

EZ-GO speed modifications are often clear-cut. Knowing your cart’s system (PDS, Series, Gas) is the first step.

Club Car Speed Upgrades

Club Car also makes many popular golf carts. They have different drive systems.

IQ and Excel Carts: These are newer electric Club Car models. They use a smart controller.
- Speed Codes: Club Car dealers can enter a “speed code” into your controller. This unlocks higher speeds. It is a quick and easy upgrade. Code 4 is common. It adds about 5-7 mph.
- Controller Upgrade: For even more speed, upgrade the controller. Alltrax and Navitas make good options for Club Car. They offer higher amp ratings.
- Motor Upgrade: Combine a new controller with a high-speed motor. This is the best way to get top speed.
- Lithium Conversion: Like EZ-GO, Club Car carts benefit greatly from lithium batteries.
DS Carts: Older electric Club Car models. They can be IQ or series.
- Check if it is an IQ or Series system. Then follow the steps above.
Gas Club Car Carts:
- Governor Adjustment: Locate the governor on the transaxle. It is usually a spring-loaded arm. Adjust the cable or spring for more speed. Be careful not to damage the engine.
- Clutch Spring Kit: These kits can increase engine RPM. This gives more power and speed.

Club Car speed upgrades often start with speed codes. Then they move to controller and motor swaps.

Important Safety and Legal Considerations

Making your golf cart faster is fun. But it also brings new risks. You must think about safety and the law.

Speed Limits: Many places have speed limits for golf carts. They might be limited to 15-25 mph. Going faster can get you a ticket. Or it can cause bigger problems. Check your local laws.
Braking Capacity: A faster cart needs better brakes. Stock brakes might not be strong enough. They might not stop you quickly. This is very dangerous. Consider upgrading your brakes.
Suspension Needs: More speed can make your cart bouncy. It can feel less stable. Your suspension might need upgrades. This helps control the ride. It makes it safer.
Steering Stability: At higher speeds, steering can feel loose. It can be harder to control. Make sure your steering parts are in good shape. Consider adding heavier steering parts.
Tires: Your tires must be rated for higher speeds. Regular golf cart tires might not be. They can overheat or fail.
Lights and Safety Gear: If you drive at night, you need good lights. Seat belts are also a good idea. Mirrors help you see around you.
Insurance: Check your insurance policy. Some policies might not cover high-speed carts. Or they might need special coverage. Tell your insurance company about any changes.

Always prioritize safety. A faster cart is more fun. But a safe cart is essential.

Conclusion

Speeding up your golf cart can change your driving experience. You can start with simple tweaks. Adjusting the governor is a good first step for gas carts. For electric carts, a new electric golf cart speed controller is a great upgrade. Adding a high-speed golf cart motor is another big step. You can also boost power by increasing golf cart voltage. Or you can switch to a lithium golf cart battery conversion.

Do not forget mechanical changes. A golf cart gear ratio change offers top speed. And changing golf cart tire size for speed is easy. Specific modifications like EZ-GO speed modifications and Club Car speed upgrades target certain cart models.

No matter what you choose, plan carefully. Think about your budget. Think about your skill level. Always put safety first. Make sure your cart can handle the extra speed. Enjoy your faster, more powerful golf cart!

Frequently Asked Questions (FAQ)

Q1: How fast can a golf cart go after upgrades?
A golf cart’s top speed depends on many factors. A stock golf cart goes about 12-15 mph. With simple upgrades, it might reach 20-25 mph. With major upgrades like new controllers, motors, and voltage increases, some carts can go 30-40 mph or even faster. Extreme builds can hit over 50 mph.

Q2: Do bigger tires really make a golf cart faster?
Yes, bigger tires can make your golf cart faster. They act like a higher gear. Each spin of the wheel covers more ground. This boosts your top speed. But it will reduce your cart’s power. It will also make it slower to accelerate. Your cart might need a lift kit too.

Q3: Is increasing voltage safe for my golf cart?
Increasing voltage can be safe. But it needs careful planning. Your cart’s parts must handle the new voltage. This includes the controller, motor, and wires. If you upgrade to a higher voltage, you will likely need to upgrade these parts too. If not, it can be unsafe. It can also damage your cart. Always follow safety steps. Consider getting help from a professional.

Q4: How much does it cost to speed up a golf cart?
The cost varies greatly.
* Governor adjustment: Often free for gas carts.
* Speed code (Club Car): A dealer might charge $50-$150.
* Tire upgrade: $200-$600 for new tires and wheels. A lift kit adds more.
* Speed controller: $300-$800.
* High-speed motor: $500-$1,200.
* Lithium battery conversion: $1,500-$4,000 or more.
* Gear ratio change: $300-$700 for parts and labor.
Full top-tier builds can cost thousands of dollars. Start with what you need and what you can afford.