30/04/2001
When it comes to track day performance and motorsport applications, the choice of brake pads can be the difference between a podium finish and a frustrating session. Enthusiasts and professional racers alike are constantly seeking that perfect balance of stopping power, fade resistance, and modulation. Hawk Performance, a name synonymous with high-performance braking, offers a range of pads designed to meet these demanding requirements. Among their esteemed 'Dynamic Torque Control' (DTC) line, the DTC-70 stands out as a particularly intriguing option. But is the Hawk DTC-70 truly a good race pad? Let's delve into what makes this compound tick and whether it deserves a place in your performance braking arsenal.
Understanding the Hawk DTC Range
Before focusing specifically on the DTC-70, it's beneficial to understand its place within the broader Hawk DTC family. Hawk categorises its DTC pads as a series of high-performance compounds engineered for the rigors of racing. The 'Dynamic Torque Control' designation itself hints at a key characteristic: the ability of the pad to deliver consistent and predictable braking force throughout the braking event, even under extreme temperatures. This is crucial for drivers who rely on fine pedal control to navigate complex corners and maintain optimal speed.
The DTC series generally represents a step up in performance from Hawk's popular HPS (High Performance Street) pads, moving firmly into the territory of dedicated track use. Within this series, each compound is designed to excel in different areas, catering to various driving styles, vehicle weights, and track conditions. The DTC-70, as we'll explore, sits at a particular point in this spectrum, offering a compelling blend of attributes.
Hawk DTC-70: The Core Attributes
The Hawk DTC-70 is often described as a member of the 'Dynamic Torque Control' race pad family with an average level of friction among the DTC offerings. This 'average' friction level is, in fact, a key selling point for many racers. It implies a pad that isn't overwhelmingly aggressive from the initial bite, but rather provides a strong, linear increase in stopping power as more pressure is applied to the brake pedal. This characteristic is highly valued for its controllability and predictability, allowing drivers to more precisely manage their braking points and avoid abrupt weight transfer that can unsettle the car.
Key characteristics often associated with the DTC-70 include:
- Consistent Friction: The DTC-70 is designed to maintain its friction coefficient even at high temperatures, resisting the dreaded brake fade that plagues lesser pads during prolonged track use.
- Good Modulation: The 'Dynamic Torque Control' aspect means drivers can expect excellent feedback through the brake pedal, allowing for delicate adjustments during braking.
- Usable Torque Band: While not the highest friction compound in the DTC range, the DTC-70 offers a broad and effective torque band, meaning it performs well across a range of speeds and temperatures encountered on track.
- Rotor Friendly: Compared to some of the more aggressive race compounds, the DTC-70 is generally considered to be relatively kind to brake rotors, potentially extending their lifespan.
Where Does the DTC-70 Fit?
The DTC-70 is often positioned as a versatile race pad. It's a strong choice for:
- Track Days: For drivers who regularly participate in track days and push their vehicles hard, the DTC-70 offers a significant upgrade over standard or even high-performance street pads.
- Club Racing: In many forms of club racing where regulations allow for such compounds, the DTC-70 can provide a competitive edge without the extreme demands on the braking system that some other dedicated race pads impose.
- Endurance Racing (with caveats): While not its primary design focus, the DTC-70's fade resistance and rotor friendliness can make it a viable option for certain endurance racing applications, especially when paired with robust cooling and appropriate rotor materials.
- Heavier Vehicles: The consistent torque delivery and good temperature management make the DTC-70 suitable for heavier cars that put significant thermal load on the braking system.
It's important to note that Hawk also offers the DTC-80, which is described as the 'newest and most extreme member' of the DTC family, boasting the 'highest' friction levels. This comparison helps to contextualise the DTC-70. The DTC-70 is not the absolute pinnacle of friction in Hawk's race offerings, but rather a highly effective and well-rounded performer that prioritises control and consistency.
DTC-70 vs. Other Race Compounds
Comparing the DTC-70 to other race compounds from Hawk and other manufacturers is crucial for making an informed decision. Here's a simplified look at how it might stack up:
| Compound | Friction Level | Temperature Range | Pedal Feel | Rotor Wear | Primary Use |
|---|---|---|---|---|---|
| Hawk DTC-30 | Lower | Lower-Mid | Good | Low | Street/Track (entry) |
| Hawk DTC-60 | Mid | Mid | Very Good | Moderate | Track Day/Club Racing |
| Hawk DTC-70 | Mid-High | Mid-High | Excellent | Moderate-High | Serious Track/Club Racing |
| Hawk DTC-80 | High | High | Good (can be aggressive) | High | Dedicated Race Cars |
Note: This is a general comparison. Actual performance can vary based on vehicle, braking system, driver, and track conditions.
As the table suggests, the DTC-70 offers a significant step up in performance from the DTC-60, pushing into higher temperature ranges and providing more aggressive stopping power, while still maintaining excellent pedal feel. It sits below the DTC-80 in terms of sheer friction but often surpasses it in overall usability and driver feedback for many applications. The trade-off for higher friction in compounds like the DTC-80 can sometimes be a harsher initial bite and increased wear on rotors and pads.
Installation and Bedding-In
Proper installation and bedding-in are absolutely critical for any high-performance brake pad, and the Hawk DTC-70 is no exception. Failure to follow the correct procedure can lead to reduced performance, premature wear, and even pad or rotor damage. The bedding-in process is designed to transfer a thin, even layer of pad material onto the brake rotor surface, creating an optimal surface for consistent friction. This typically involves a series of moderate to aggressive stops from increasing speeds, followed by cooling periods.
Always consult Hawk's official documentation for the precise bedding-in procedure for the DTC-70. Generally, it involves:
- Initial Light Stops: Several light stops from around 30-40 mph to around 10 mph.
- Moderate Stops: A series of 8-10 stops from 50-60 mph down to 15-20 mph, with a short drive between stops to allow for cooling.
- Aggressive Stops: A few harder stops from higher speeds (e.g., 70-80 mph) down to 20 mph, again allowing cooling time between stops.
- Cool Down: A final drive of several minutes without using the brakes to allow the entire system to cool down evenly.
It's crucial to avoid coming to a complete stop and holding the pedal down during the bedding process, as this can create hot spots and uneven transfer of material.
Frequently Asked Questions
Q1: Is the Hawk DTC-70 suitable for daily driving?
While the DTC-70 offers good modulation, it is a race compound. It may produce more dust, noise, and potentially have a harsher initial bite compared to street-oriented pads. For daily driving, a pad like Hawk's HPS or HP Plus would generally be more appropriate.
Q2: Will the DTC-70 work with my ABS system?
Yes, the DTC-70 is designed to work with modern ABS systems. Its predictable torque delivery is beneficial for ABS operation.
Q3: What is the optimal operating temperature for the DTC-70?
The DTC-70 is designed to operate effectively at higher temperatures than street pads, typically starting to perform optimally from around 200°F (93°C) and remaining effective up to significantly higher temperatures, often exceeding 1000°F (538°C), though specific maximums should be confirmed with Hawk.
Q4: Do I need upgraded rotors or calipers for the DTC-70?
While the DTC-70 will work with stock rotors and calipers, significant performance gains and improved heat management will be realised when paired with performance two-piece rotors and potentially upgraded brake calipers. Good brake fluid and braided stainless steel lines are also highly recommended to complement these pads.
Q5: How does the DTC-70 compare to the Hawk Blue 9012?
The DTC-70 is generally considered a more refined and controllable compound than the older Hawk Blue 9012. While the Blue 9012 offered aggressive friction, the DTC series, including the DTC-70, aims for better modulation and a more consistent torque curve, especially at higher temperatures.
Conclusion: A Strong Performer for the Dedicated Driver
So, is the Hawk DTC-70 a good race pad? The answer is a resounding yes, for the right application. It represents a significant leap in braking performance for track day enthusiasts and club racers. Its strengths lie in its consistent friction, excellent pedal feel and modulation, and its ability to resist fade under demanding conditions. While it may not boast the absolute highest friction coefficient in Hawk's lineup, its well-rounded performance and predictability make it a favourite for drivers who value control and confidence lap after lap.
If you're looking to elevate your track driving experience, improve your braking confidence, and gain a competitive edge, the Hawk DTC-70 is undoubtedly a contender worth serious consideration. Remember to always pair these high-performance pads with appropriate supporting modifications and follow the correct installation and bedding-in procedures to unlock their full potential.
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