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Thoroughbred Diesel has been your online performance headquarters since 2002. We know how to get the most performance out of your pickup truck and offer all of today's most popular diesel performance products.
Thoroughbred Diesel offers OEM and diesel stock parts for your diesel pickup truck. At Thoroughbred Diesel, you can
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The ONLY correct position for the EGT probe is before the turbo in the exhaust manifold. There are two reasons for this: response time and accuracy. If the probe is mounted far away from the manifold, the lag between when the probe will register an increase in temperature, compared to the reading if the probe was placed in the manifold, can result in misleading EGT numbers. When used in conjunction with the Juice, this is of particular concern since the module needs to be able to de-fuel as quickly as possible to reduce EGTs when needed.
The second reason is accuracy. Putting the probe after the turbo can create inaccurate readings because the exhaust gas will cool as it travels farther away from the manifold. This discrepancy can be as much as 250 degrees, which is far too big a margin of error. Also, depending on the power upgrades you have made, the turbo itself may throw off the accuracy of a post-turbo reading. If the turbo is a restriction, excess heat will build before the turbo as hot exhaust gas backs up, while post-turbo EGT will be much lower - resulting from the reduced exhaust flow which cools even faster than it would in a balanced system. This situation can be particular dangerous because excess heat will quickly build in the motor while temperature readings after the turbo will seem almost too cool.
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EGT stands for exhaust gas temperature, and is the single most important indicator of how a diesel engine is performing. Unlike a gasoline motor, a diesel motor will continue to make power as more fuel is added. As more fuel is added, heat will be generated until the motor just gets too hot and things start to melt. This is a situation to avoid. Exhaust gas temperature is the ideal measurement of how hot the motor is, since temperature fluctuations in the gas are almost instantaneous. You should consider using the Edge Attitude or installing an EGT gauge even if you make no performance upgrades, since EGT is such an important indicator of engine load. This is particularly true if you tow.
There are basically three ways for a box to make more power in a diesel: timing, duration and pressure. Some boxes just do pressure, some do timing and duration and some do all three. If a box does just pressure, the box is fooling the truck's computer into thinking it has less fuel pressure than it really does. In response, the computer increases the fuel rail pressure and so when the injectors fire, since there is increased fuel pressure, more fuel is released into the engine and additional power is created. This is the simplest type of power upgrade module and we have found it works very well for most Dodge applications and the Ford 7.3 Powerstrokes, as long as your power gains are limited to less than 70 horsepower. We have found raising fuel pressure on Ford 6.0 and the Duramax puts too much strain on the fuel system and so we do not make pressure boxes for these vehicles. Also, as mentioned, 70 horsepower is about the most you can safely gain in the Dodge and about 50 horsepower is what you can get out of the 7.3 Powerstroke.
As the name implies, a timing and duration box changes the timing of when the injectors fire, either advancing or retarding timing, as well as how long the injectors stay open when they fire. This takes considerable sophistication when it comes to understanding performance tuning, as well as vehicle communication systems. We have found re-tuning through timing and duration works very well on the Duramax and the Ford 6.0. When done correctly, it can also produce big gains on most of the Cummins motors; however, these gains will usually require additional aftermarket enhancements to the vehicle.
The only levels suitable for towing are levels 1 and 2. Only use level 2 if you are towing a light load. Never tow without an EGT gauge or an Attitude monitor. If you want to tow in a higher level, you must make significant engine and transmission upgrades beyond just a chip in order to handle the increase in power. It's that simple. Even though the Attitude monitors EGT and will automatically de-fuel to prevent excessive EGTs, you should still only tow in level 1
The module will function normally, however, you will not have the safety feature of monitoring your EGTs and the Juice will not be able to backdown EGTs.
When it comes to horsepower claims there are many people in the industry that state horsepower and torque gains using methods that while accurate, are not particular relevant to what the enthusiast is looking for in an upgrade. The most common example of this is flywheel or crank horsepower claims vs. rear wheel numbers. If your crank shaft was connected to the road, this would be great a number to know. But in fact, your crank shaft is connected to other components, like your transmission for example, that act like a parasite and reduce power. What you really want to know is horsepower gains at the wheels. A typical truck uses about 30% of its power turning the gears, drive shaft and other components that sit between the flywheel and the tires. This means someone claiming a 50 horsepower gain at the flywheel is probably only making about a 35 horsepower gain at the wheels. Not bad, but not really as advertised. The second popular method of “super sizing" horsepower claims is by quoting horsepower gain numbers based on some totally unusable part of the power band. Who cares if all your power gain comes after 3,000 RPM? When do you ever cruise on the highway at redline? (Certain Edge engineers, who are now strictly forbidden by our insurance company to drive company vehicles on public roads, being the exception). What you should be interested in is usable power gains in the low and mid range. This is particularly true if you tow. Before getting mesmerized by that 100hp claim, look at a before and after dyno graph and see if the gains are really where you drive.
The California Air Resources Board (CARB) requires manufacturers selling emissions-related products for on-road use in California to obtain “certifications" for such components. By so doing, products are assigned an “Executive Order" (E.O.) number, indicating successful completion of emissions and related tests in an authorized testing facility. Failure to obtain an E.O. can result in fines and the inability of a vehicle to pass routine “Inspection and Maintenance" (I&M) tests, conducted by the state of CA. I&M tests are also being required in other states and in major air quality regions throughout the country. In addition, emissions-related specialty parts require a CARB E.O. when registering, re-registering or transferring title of a vehicle. Nationwide, the Federal Environmental Protection Agency (EPA) has similar requirements for emissions-related specialty aftermarket parts. Generally, parts that have been issued a CARB E.O. are acceptable by the EPA, inasmuch as CA emissions standards are typically more stringent than Federal standards. Regardless of from which perspective the CARB or EPA may be viewed, the installation of an emissions-related part or system not supported by a CARB E.O. is considered a violation of the “tampering" provisions in both the CA Vehicle Code and Federal Clean Air Act. Parts with a CARB E.O. are exempt from these provisions and clearly the safest choice for consumers. Edge Products fully supports efforts by the CARB and EPA to make certain that emissions-certified products are available to the specialty parts customer. In fact, Edge is able to meet these requirements while delivering the performance benefits for which our products are widely known. On a consistent basis, Edge applies for and obtains CARB E.O.s for its emissions-related products. It is Edge's intention to provide customers with up-to-date, technologically state-of-the-art, street-legal parts that comply with regulatory requirements while preventing problems for the consumer when engaging in emissions test programs and registration procedures mandated by governmental agencies.
Edge has submitted their full line of aftermarket performance products for testing to ensure they are in compliance with the California Air Resources Board's (CARB) standards. Currently, all of Edge's products for gasoline-powered vehicles have received CARB Executive Orders (E.O.s) and are legal for sale and use on gasoline-powered pollution-controlled vehicles in California. The rest of Edge's products have been submitted for testing or are in an E.O.-pending process. We are currently testing products to become compliant. This page will be updated as applications move to the next stages of the CARB and E.O. process.