Which Titan Turbo Is Best for Your 6.7L Powerstroke? Complete Size Guide

Which Titan Turbo Is Best for Your 6.7L Powerstroke? Complete Size Guide

Choosing a turbo for a 6.7L Powerstroke can quickly become confusing.

Titan Turbo Service offers several compressor and turbine combinations for the same engine and model-year range. Depending on the truck, available options may include the 62/64 Ultimate TowMaster, 62/67 TowMaster, 64/67, 66/67, 66/71, and 68/71.

Those numbers may look like small differences on paper, but each size can change how quickly the turbo responds, where it makes power, how well it works while towing, and how many supporting modifications the truck needs.

The best Titan Turbo for your 6.7L Powerstroke is not automatically the largest option. A daily-driven tow rig generally needs a different turbo than a truck being built for maximum horsepower.

This guide explains how Titan Turbo sizing works, compares the most common configurations, and helps narrow down the right option for your truck.

Browse Titan Turbo Service products, including 2011–2016 6.7L Powerstroke turbo options and 2017–2026 6.7L Powerstroke turbo options at Thoroughbred Diesel.

Important: Turbo recommendations and product requirements can vary by model year, tuning, emissions configuration, fuel-system setup, and intended use. Verify the exact application with Titan Turbo Service or Thoroughbred Diesel before ordering.

Quick Titan Turbo Size Comparison

Shop by model year: 2011–2016 Titan 6.7L Powerstroke turbos or 2017–2026 Titan 6.7L Powerstroke turbos.

 

These categories are general guidelines rather than guaranteed horsepower ratings. Actual results depend on the engine, fuel system, calibration, elevation, exhaust restrictions, transmission, and overall condition of the truck.

Titan currently lists multiple 6.7L Powerstroke turbo configurations across the 2011–2026 model-year range, with the available sizes changing between generations.

How Titan Turbo Sizing Works

Turbo sizes such as 62/64 or 64/67 generally refer to the approximate inducer diameters of the compressor and turbine wheels.

For a 62/64 turbo:

62 mm refers to the compressor-wheel inducer.

64 mm refers to the turbine-wheel inducer.

The compressor side draws in and compresses intake air. The turbine side is driven by exhaust gases and turns the compressor through the turbocharger’s center shaft.

Although wheel diameter is important, it does not tell the entire story.

Turbo behavior can also be affected by:

• Compressor-wheel design
• Turbine blade count
• Turbine housing geometry
• VGT vane design
• Exhaust housing size
• Bearing design
• Compressor-cover design
• Engine calibration
• Exhaust flow
• Fuel quantity
• Engine load

That is why two turbos with similar advertised measurements may not drive exactly the same.

Compressor Size Versus Turbine Size

The compressor and turbine serve different purposes, and both affect how the truck performs.

Larger Compressor Wheel

A larger compressor can generally move more air and support more horsepower. However, it also takes more energy to accelerate.

Potential advantages include:

Increased airflow

Greater top-end power potential

Better support for added fueling

Reduced restriction at higher engine speeds

Potential disadvantages include:

Slower spool-up

Softer low-RPM response

Greater likelihood of turbo lag

More supporting modifications required

Larger Turbine Wheel

A larger turbine can improve exhaust flow and help support increased horsepower. It may also reduce excessive drive pressure at higher output levels.

Potential advantages include:

Better high-RPM exhaust flow

More top-end power potential

Improved support for aggressive fueling

Potentially lower drive pressure at high load

Potential disadvantages include:

Slower response

More exhaust energy required to spool

Reduced low-speed drivability

Less desirable behavior for heavy towing

The correct compressor and turbine combination balances the airflow the engine needs with the response the driver expects.

Why the Biggest Turbo Is Not Always the Best

A large turbo may look appealing because it supports more airflow and horsepower. That does not mean it will perform better on a stock or mildly modified truck.

An oversized turbo can cause:

Delayed throttle response

Increased turbo lag

Difficulty staying in boost while towing

Higher exhaust gas temperatures before the turbo lights

Excessive smoke with poor calibration

Reduced engine-braking response

Unnecessary stress on the transmission

Poor drivability during normal street use

A 68/71 may make sense for a dedicated high-horsepower build, but it would generally be excessive for a stock-fuel tow rig.

Likewise, a 62/64 may not provide the airflow needed for an owner whose long-term goal is a heavily fueled competition truck.

The best choice is the smallest turbo that comfortably supports the truck’s realistic airflow and horsepower needs.

Turbo Lag Versus Top-End Airflow

Turbo selection always involves a tradeoff between response and maximum airflow.

A smaller turbo generally:

Spools faster

Responds sooner

Feels stronger at lower engine speeds

Works better for towing

Provides a more factory-like driving experience

A larger turbo generally:

Flows more air

Supports more fuel

Makes stronger upper-RPM power

Handles higher horsepower goals

Requires more engine speed and exhaust energy

Drivers who spend most of their time below 2,500 RPM will usually benefit more from fast response than maximum top-end airflow.

Drivers building a high-horsepower street or competition truck may be willing to accept slower spool-up in exchange for greater power potential.

Best Titan Turbo for a Stock 6.7L Powerstroke

For a mostly stock truck, the best option is usually a Stock Plus or one of Titan’s smaller TowMaster configurations.

These choices are better suited for owners who want:

Quick spool-up

Stock-like drivability

Improved turbo sound

Mild additional airflow

Strong towing response

Minimal changes to the rest of the truck

The 62/64 Ultimate TowMaster is one of Titan’s most towing-focused options. Titan describes the 2011–2014 version as an all-around towing and daily-driver turbo for stock trucks seeking additional power, responsive low-end performance, and support for heavy loads. Titan rates that configuration for up to 600 rear-wheel horsepower with the appropriate modifications and tuning.

That does not mean a stock truck will automatically produce 600 RWHP after installing the turbo. The rating represents the turbo’s stated capability when the engine, fuel system, tuning, transmission, and supporting components are built to match.

Best Titan Turbo for Towing

For frequent towing, the smaller TowMaster models are usually the strongest starting point.

62/64 Ultimate TowMaster

The 62/64 is intended to prioritize low-end response and towing drivability.

Titan positions the Ultimate TowMaster as a direct-fit towing-oriented turbo that provides strong spool-up and can support up to 600 RWHP with supporting modifications and approved tuning.

It is generally the better option for a truck that:

Tows frequently

Remains near stock fueling

Needs fast low-RPM response

Is used as a daily driver

Needs to maintain boost on grades

Is not being built for maximum horsepower

62/67 TowMaster

The 62/67 uses a similar compressor size with a larger turbine.

That can provide a balance between towing response and increased exhaust-flow capacity.

It may be appropriate for an owner who:

Still tows regularly

Plans moderate fuel-system upgrades

Wants more performance potential than the 62/64

Is willing to accept slightly slower response

Wants a towing and street-performance compromise

Titan offers a 62/67 TowMaster for multiple 6.7L Powerstroke generations, including 2011–2014, 2015–2016, and 2017–2019 trucks.

For the heaviest and most frequent towing, the 62/64 will generally be the more responsive choice. For mixed towing and performance use, the 62/67 may provide more room to grow.

62/64 Versus 62/67 Titan Turbo

The choice between a 62/64 and 62/67 usually comes down to response versus additional turbine flow.

 

Choose the 62/64 when towing response, drivability, and quick spool are the priorities.

Choose the 62/67 when you still tow but want additional performance capability and more room for future fueling upgrades.

Best Titan Turbo for Street Performance

For a street truck that is driven regularly but built for more horsepower, the 64/67 or 66/67 may be a better match.

64/67

The 64/67 moves farther toward performance while still retaining some street manners.

It may be suited for:

Performance-oriented daily drivers

Trucks with upgraded fuel systems

Owners who tow only occasionally

Builds that need more top-end airflow

Drivers willing to trade some response for horsepower potential

Compared with the 62/67, the larger compressor can support more airflow but will typically require more exhaust energy to spool.

This is often the point where the truck’s fuel system, tuning, transmission, and intended use become especially important.

66/67

The 66/67 is more performance-focused.

It may work well for:

Higher-horsepower street builds

Trucks with substantial fuel-system upgrades

Owners focused more on acceleration than towing

Builds with upgraded transmissions

Drivers who accept additional lag

Although it may still be streetable when properly configured, it is generally less suitable for a truck that spends much of its time towing heavy loads at lower RPM.

Best Titan Turbo for 600–700 Horsepower

A target of 600–700 horsepower covers a wide range of truck combinations.

The proper turbo depends on whether that number refers to:

Engine horsepower

Rear-wheel horsepower

Occasional maximum output

Daily-driven power

Towing power

Competition use

Around 600 RWHP

Titan states that its 62/64 Ultimate TowMaster can support up to approximately 600 RWHP with the proper modifications and tuning.

That makes it an attractive option for an owner who wants strong towing response and does not intend to push much beyond that range.

A 62/67 or 64/67 may provide more airflow margin for a street-performance truck, especially when paired with increased fueling.

Moving Toward 700 RWHP

For builds moving toward the upper 600s or approximately 700 RWHP, the 64/67, 66/67, or 66/71 may be considered depending on the truck and desired response.

Titan’s 2011–2014 Gen2 collection is described as supporting power levels up to approximately 750 horsepower, but that figure applies broadly to the product family rather than every individual size and combination.

At this level, turbo selection cannot be separated from the rest of the build. The truck may require:

Upgraded high-pressure fuel pump

Larger injectors

Lift-pump upgrades

Custom engine calibration

Transmission upgrades

Improved intake and exhaust flow

Head studs

Better charge-air cooling

Engine monitoring

Driveline upgrades

A 700-horsepower truck that tows regularly may need a very different combination from a 700-horsepower truck built for racing.

When to Consider a 66/71 or 68/71

The 66/71 and 68/71 configurations are generally intended for aggressive high-horsepower applications.

They are more appropriate for owners who:

Have significant fuel-system upgrades

Are building for high RPM and top-end airflow

Have upgraded the transmission

Rarely or never tow

Accept slower spool-up

Understand custom tuning requirements

Have supporting engine and drivetrain modifications

They are generally not the best choice for:

Stock trucks

Frequent tow rigs

Daily drivers that need factory-like response

Trucks with stock fuel systems

Owners who dislike turbo lag

Titan markets the larger 66/71 and 68/71 models as performance-oriented options across several 6.7L Powerstroke model-year ranges.

Model-Year Differences

The 6.7L Powerstroke has changed considerably since its introduction. A turbo that fits one generation may not fit or function correctly on another.

Titan separates many of its products into the following ranges:

2011–2014 pickup

2011–2016 cab-and-chassis

2015–2016 pickup

2017–2019

2020–2022

2023–2026

Available turbo sizes and hardware can vary between these groups.

2011–2014 Trucks

Titan offers one of its broadest selections for the early 6.7L Powerstroke, including TowMaster and larger performance configurations.

These trucks require careful fitment verification because pickup and cab-and-chassis applications may use different turbo arrangements.

2015–2016 Trucks

Titan lists 62/64, 62/67, 64/67, 66/67, 66/71, and 68/71 configurations for these model years. Titan also offers a retrofit kit for selected 2015–2016 trucks moving to a later turbo arrangement.

2017–2019 Trucks

The 2017–2019 lineup includes towing-oriented and performance-oriented Gen2 models ranging from 62/64 through 68/71.

2020–2022 Trucks

Titan’s newer-generation options use different sizing combinations, including a 59/63 Ultimate TowMaster and a 62/63 configuration. This illustrates why buyers should not assume the same recommendation applies to every 6.7L Powerstroke generation.

2023–2026 Trucks

The newest applications use their own components and configurations. Thoroughbred Diesel currently lists Titan service parts designed specifically for 2023–2026 factory turbochargers, including a direct-replacement nine-blade turbine wheel.

Drop-In Does Not Always Mean No Tuning Required

A drop-in turbo generally means the turbo is designed to fit the factory mounting location without requiring a fully custom turbo kit.

It does not necessarily mean:

• ​No tuning is required
• No fuel upgrades are needed
• The factory intake will support the turbo
• The transmission can safely handle the power
• The truck will retain factory emissions compatibility
• The factory actuator can be reused without calibration
• Every installation component is included

Before purchasing, verify:

• Whether custom ECM tuning is required
• Whether Titan requires a specific tuning provider
• Whether the existing actuator can be reused
• Whether actuator calibration is required
• Whether the turbo supports the current emissions configuration
• Whether an upgraded intake is required
• Whether fuel-system upgrades are recommended
• Whether the factory downpipe and exhaust connections fit
• Whether the truck is a pickup or cab-and-chassis model
• Whether any retrofit hardware is needed

Fuel-System Upgrades

The amount of fuel the engine can supply plays a major role in turbo selection.

A larger turbo on a stock-fuel truck may spool slowly because the engine cannot produce enough exhaust energy to drive it effectively.

Common fuel-system upgrades may include:

Lift pump

Upgraded high-pressure fuel pump

DCR conversion

Modified CP4 or replacement pump

Larger injectors

Additional filtration

Revised fuel-pressure control

Custom calibration

Titan’s 2011–2014 62/64 TowMaster listing states that the turbo works well with stock CPX, 10-percent CPX, and DCR fuel-system arrangements.

That language should still be confirmed for the exact model year and turbo part number being purchased.

Transmission and Drivetrain Considerations

A turbo upgrade can expose weaknesses elsewhere in the truck.

More airflow allows more fuel to be burned, which can produce substantially more torque. That added torque reaches the transmission, transfer case, driveshafts, axles, and differentials.

Depending on the power goal, the truck may need:

Revised transmission tuning

Upgraded clutch packs

Improved torque converter

Valve-body upgrades

Better transmission cooling

Stronger driveshafts or U-joints

Differential upgrades

Traction upgrades

A properly chosen turbo should be part of a complete build plan rather than the first purchase in an undefined horsepower project.

How to Choose the Right Titan Turbo

Before ordering, answer these questions:

What year is the truck?

Is it a pickup or cab-and-chassis model?

How often does it tow?

What is the typical trailer weight?

What is the maximum trailer weight?

What is the current horsepower?

What is the realistic future horsepower goal?

Which fuel-system upgrades are installed?

Is the transmission stock?

Is emissions equipment still installed?

Which tuning is available?

Is quick spool more important than top-end power?

Will the truck be used at high elevation?

Is this a daily driver, tow rig, street truck, or competition build?

Those answers will usually narrow the selection more effectively than choosing based on wheel size alone.

General Recommendations

Mostly Stock Daily Driver

Choose a Stock Plus or smaller TowMaster option.

Priority:

Quick response

Stock-like drivability

Minimal supporting modifications

Frequent Tow Rig

Start with the 62/64 Ultimate TowMaster.

Priority:

Fast spool

Low-RPM response

Staying in boost under load

Predictable towing behavior

Towing and Street Performance

Consider the 62/67 TowMaster.

Priority:

Good towing response

More top-end airflow

Room for moderate fuel upgrades

Performance Daily Driver

Consider the 64/67.

Priority:

Increased street power

Greater airflow

Reasonable drivability with proper tuning

High-Horsepower Street Build

Consider the 66/67 or 66/71.

Priority:

Higher airflow

Upgraded fuel system

Strong transmission

Less concern about towing response

Competition or Maximum-Effort Build

Consider the 68/71 only when the rest of the truck is prepared for it.

Priority:

Maximum airflow

High-RPM performance

Extensive supporting modifications

Minimal concern about low-speed response

Final Verdict

For most daily-driven and towing-focused 6.7L Powerstroke trucks, the 62/64 Ultimate TowMaster or 62/67 TowMaster will be the most practical Titan Turbo options.

The 62/64 places the greatest emphasis on fast spool-up and towing response. The 62/67 provides additional turbine flow and more room for performance upgrades while remaining useful for many towing applications.

The 64/67 and larger configurations make more sense as horsepower goals increase, but they also require greater attention to fuel supply, tuning, transmission capacity, and overall engine setup.

The biggest Titan Turbo is not automatically the best Titan Turbo.

Choose the configuration that matches how the truck is driven today—not only the horsepower number you may pursue later.

You can view available options on the Thoroughbred Diesel Titan Turbo Service Ford Powerstroke turbocharger page.

Frequently Asked Questions

What is the best Titan Turbo for towing with a 6.7L Powerstroke?

The 62/64 Ultimate TowMaster is generally the strongest starting point for frequent towing because it prioritizes quick spool-up and low-RPM response. The 62/67 TowMaster may be better for an owner who wants additional performance potential while still towing regularly.

Is a 62/64 or 64/67 better?

The 62/64 is better for towing, daily driving, and fast spool-up. The 64/67 is better suited for increased street performance and higher airflow but will generally respond more slowly.

How much horsepower can a Titan 62/64 support?

Titan rates selected 62/64 Ultimate TowMaster applications for up to approximately 600 RWHP with proper tuning and supporting modifications.

Can I tow with a 64/67?

A 64/67 may work for occasional or lighter towing when correctly matched to the truck. Frequent heavy towing will usually favor a smaller, faster-spooling TowMaster configuration.

Is a 66/71 too large for a stock truck?

In most cases, yes. A 66/71 is generally intended for a higher-horsepower truck with upgraded fueling, custom tuning, transmission support, and other supporting modifications.

Does a Titan drop-in turbo require tuning?

It may. “Drop-in” describes physical fitment, not necessarily calibration requirements. Verify the tuning, actuator, fuel-system, intake, and emissions requirements for the exact part number.

What is the best Titan Turbo for 600 horsepower?

A 62/64 may support approximately 600 RWHP while preserving strong towing and daily-driving response. A 62/67 or 64/67 may provide additional airflow margin for a more performance-focused build.

What is the best Titan Turbo for 700 horsepower?

A 64/67, 66/67, or 66/71 may be considered depending on fueling, tuning, transmission upgrades, and intended use. A truck that tows regularly will require a different setup from a competition-oriented truck.

Are Titan Turbos direct-fit replacements?

Titan describes many of its Gen2 6.7L Powerstroke turbos as direct-fit replacements, but installation and tuning requirements vary by model year and product.

Do 2011–2014 Titan Turbos fit 2015–2016 trucks?

Not automatically. Turbo hardware and application details differ by model-year range, and pickup versus cab-and-chassis configurations may also differ. Order by the exact truck application rather than engine size alone.

Related 6.7L Powerstroke Upgrades

A turbo upgrade may require additional fuel, tuning, or drivetrain support. Shop the applicable model-year categories:

2011–2016 lift pumps

2017–2026 lift pumps

2011–2016 transmission upgrades

2017–2026 transmission upgrades

2011–2016 programmers

2017–2026 programmers

Fleece DCR conversion kit

Editorial note: Product availability, fitment, horsepower ratings, tuning requirements, and warranty terms should be verified for the exact part number before publication or purchase.

By: Adam