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Treadstone Intercoolers Taking the Market By Storm!
31 Aug 2012
Our intercooler line up has been ever expanding and the demand increasing over the last few years, and we appreciate all the support that has helped bring our brand to the market as household name in intercooler technology! Treadstone Performance Engineering Inc. is a leading manufacturer and distributor for high performance turbocharging parts. Specializing in the automotive industry we engineer, develop and manufacture turbo charging components for many different applications. We use the latest in machine technology, from CNC laser cultures, hydrojets, CNC mandrel benders, CNC lathes, and CNC milling machines. We have engineers, CAD/CAM and Solid Works professionals, on hand to aid in the research and development for any of your projects. Click Here For More Intercooler Info!
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Whats a Turbo? A In-depth Explanation of What a Turbocharger is and its Intended Function!
07 Aug 2012
Turbocharger This article describes the internal combustion engine component often known as a turbo. Turbocharger cutaway A turbocharger is an exhaust gas driven compressor used in internal-combustion engines to increase the power output of the engine by increasing the mass of oxygen entering the engine. A key advantage of turbochargers is that they offer a considerable increase in engine power with only a slight increase in weight. Principle of operation A turbocharger is an exhaust gas driven supercharger. All superchargers have a gas compressor in the intake tract of the engine which compresses the intake air above atmospheric pressure, greatly increasing the volumetric efficiency beyond that of naturally-aspirated engines. A turbocharger also has a turbine that powers the compressor using wasted energy from the exhaust gases. The compressor and turbine spin on the same shaft, similar to a turbojet aircraft engine. The term supercharger is very often used when referring to a mechanically driven turbocharger, which is most often driven from the engine's crankshaft by means of a belt (otherwise, and in many aircraft engines, by a geartrain), whereas a turbocharger is exhaust-driven, the name turbocharger being a contraction of the earlier "turbosupercharger". Because the turbine of a turbocharger is in-itself a heat engine, a turbocharger equipped engine will normally compress the intake air more efficiently than a mechanical supercharger. But because of "turbo lag" (see below), engines with mechanical superchargers are typically more responsive. The compressor increases the pressure of the air entering the engine, so a greater mass of oxygen enters the combustion chamber in the same time interval (an increase in fuel is required to keep the mixture the same air to fuel ratio). This greatly improves the volumetric efficiency of the engine, and thereby creates more power. The additional fuel is provided by the proper tuning of the fuel injectors or carburetor. The increase in pressure is called "boost" and is measured in pascals, bars or lbf/in². The energy from the extra fuel leads to more overall engine power. For example, at 100% efficiency a turbocharger providing 101 kPa (14.7 lbf/in²) of boost would effectively double the amount of air entering the engine because the total pressure is twice atmospheric pressure. However, there are some parasitic losses due to heat and exhaust backpressure from the turbine, so turbochargers are generally only about 80% efficient, at peak efficiency, because it takes some work for the engine to push those gases through the turbocharger turbine (which is acting as a restriction in the exhaust) and the now-compressed intake air has been heated, reducing its density. For automobile use, typical boost pressure is in the general area of 80 kPa (11.6 lbf/in²), but it can be much more. Because it is a centrifugal pump, a typical turbocharger, depending on design, will only start to deliver boost from a certain rpm where the engine starts producing enough exhaust gas to spin the turbocharger fast enough to make pressure. This engine rpm is referred to as the boost threshold. Another fact to observe is that the relation between boost pressure and compressor rpm is somewhat exponential, and the relation between compressor rpm and airflow is very small. A turbocharger that is pushing 15 psi when the engine is at 3000 rpm will only have increased a little bit in speed when maintaining the same pressure at 6000 engine rpm; given that it is still within the design limits of the compressor. For this very same reason, belt driven centrifugal superchargers have a very narrow power band and deliver max boost only when the engine is at max rpm. A disadvantage in gasoline engines is that the compression ratio should be lowered (so as not to exceed maximum compression pressure and to prevent engine knocking) which reduces engine efficiency when operating at low power. This disadvantage does not apply to specifically designed turbocharged diesel engines. However, for operation at altitude, the power recovery of a turbocharger makes a big difference to total power output of both engine types. This last factor makes turbocharging aircraft engines considerably advantageous—and was the original reason for development of the device. A main disadvantage of high boost pressures for internal combustion engines is that compressing the inlet air increases its temperature. This increase in charge temperature is a limiting factor for petrol engines that can only tolerate a limited increase in charge temperature before detonation occurs. The higher temperature is a volumetric efficiency downgrade for both types of engine. The pumping-effect heating can be alleviated by aftercooling (sometimes called intercooling). Design details When a gas is compressed, its temperature rises. It is not uncommon for a turbocharger to be pushing out air that is 90 °C (200°F). Compressed air from a turbo may be (and most commonly is, on petrol engines) cooled before it is fed into the cylinders, using an intercooler or a charge air cooler (a heat-exchange device). A turbo spins very fast; most peak between 80,000 and 150,000 rpm (using low inertia turbos, 190,000 rpm) depending on size, weight of the rotating parts, boost pressure developed and compressor design. Such high rotation speeds would cause problems for standard ball bearings leading to failure so most turbo-chargers use fluid bearings. These feature a flowing layer of oil that suspends and cools the moving parts. The oil is usually taken from the engine-oil circuit and usually needs to be cooled by an oil cooler before it circulates through the engine. Some turbochargers use incredibly precise ball bearings that offer less friction than a fluid bearing but these are also suspended in fluid-dampened cavities. Lower friction means the turbo shaft can be made of lighter materials, reducing so-called turbo lag or boost lag. Some car makers use water cooled turbochargers for added bearing life. Turbochargers with foil bearings are in development which eliminates the need for bearing cooling or oil delivery systems. To manage the upper-deck air pressure, the turbocharger's exhaust gas flow is regulated with a wastegate that bypasses excess exhaust gas entering the turbocharger's turbine. This regulates the rotational speed of the turbine and the output of the compressor. The wastegate is opened and closed by the compressed air from turbo (the upper-deck pressure) and can be raised by using a solenoid to regulate the pressure fed to the wastegate membrane. This solenoid can be controlled by Automatic Performance Control, the engine's electronic control unit or an after market boost control computer. Another method of raising the boost pressure is through the use of check and bleed valves to keep the pressure at the membrane lower than the pressure within the system. Some turbochargers utilise a set of vanes in the exhaust housing to maintain a constant gas velocity across the turbine, the same kind of control as used on power plant turbines. These turbochargers have minimal amount of lag, have a low boost threshold, and are very efficient at higher engine speeds. In many setups these turbos don't even need a wastegate. The vanes are controlled by a membrane identical to the one on a wastegate but the level of control required is a bit different. The first car manufacturer to use these turbos was the limited-production 1989 Shelby CSX-VNT. It utilised a turbo from Garrett, called the VNT-25 because it uses the same compressor and shaft as the more common Garrett T-25. This type of turbine is called a Variable Nozzle Turbine (VNT). Turbocharger manufacturer Aerocharger uses the term 'Variable Area Turbine Nozzle' (VATN) to describe this type of turbine nozzle. Another common term is Variable Turbine Geometry. Reliability As long as the oil supply is clean and the exhaust gas does not become overheated (lean mixtures or retarded spark timing on a gasoline engine) a turbocharger can be very reliable but care of the unit is important. Replacing a turbo that lets go and sheds its blades will be expensive. The use of synthetic oils is recommended in turbo engines. After high speed operation of the engine it is important to let the engine run at idle speed for one to three minutes before turning off the engine. Saab, in its owner manuals, recommends a period of just 30 seconds. This lets the turbo rotating assembly cool from the lower exhaust gas temperatures. Not doing this will also result in the critical oil supply to the turbocharger being severed when the engine stops while the turbine housing and exhaust manifold are still very hot, leading to coking (burning) of the lubricating oil trapped in the unit when the heat soaks into the bearings and later, failure of the supply of oil when the engine is next started causing rapid bearing wear and failure. Even small particles of burnt oil will accumulate and lead to choking the oil supply and failure. A turbo timer is a device designed to keep an automotive engine running for a pre-specified period of time, in order to execute this cool-down period automatically. Turbos with watercooled bearing cartridges have a protective barrier against coking. The water boils in the cartridge when the engine is shut off and forms a natural recirculation to drain away the heat. It is still a good idea to not shut the engine off while the turbo and manifold are still glowing. In custom applications utilising tubular headers rather than cast iron manifolds, the need for a cooldown period is reduced because the lighter headers store much less heat than heavy cast iron manifolds. Diesel engines are usually much kinder to turbos because their exhaust gas temperature is much lower than that of gasoline engines and because most operators allow the engine to idle and do not switch it off immediately after heavy use. Lag A lag is sometimes felt by the driver of a turbocharged vehicle as a delay between pushing on the accelerator pedal and feeling the turbo kick-in. This is symptomatic of the time taken for the exhaust system driving the turbine to come to high pressure and for the turbine rotor to overcome its rotational inertia and reach the speed necessary to supply boost pressure. The directly-driven compressor in a positive-displacement supercharger does not suffer this problem. (Centrifugal superchargers do not build boost at low RPM's like a positive displacement supercharger will). Conversely on light loads or at low rpm a turbocharger supplies less boost and the engine is more efficient than a supercharged engine. Lag can be reduced by lowering the rotational inertia of the turbine, for example by using lighter parts to allow the spool-up to happen more quickly. Ceramic turbines are a big help in this direction. Unfortunately, their relative fragility limits the maximum boost they can supply. Another way to reduce lag is to change the aspect ratio of the turbine by reducing the diameter and increasing the gas-flow path-length. Increasing the upper-deck air pressure and improving the wastegate response help but there are cost increases and reliability disadvantages that car manufacturers are not happy about. Lag is also reduced by using a precision bearing rather than a fluid bearing, this reduces friction rather than rotational inertia but contributes to faster acceleration of the turbo's rotating assembly. Another common method of equalizing turbo lag, is to have the turbine wheel "clipped", or to reduce the surface area of the turbine wheel's rotating blades. By clipping a minute portion off the tip of each blade of the turbine wheel, less restriction is imposed upon the escaping exhaust gases. This imparts less impedance onto the flow of exhaust gasses at low rpm, allowing the vehicle to retain more of its low-end torque, but also pushes the effective boost rpm to a slightly higher level. The amount a turbine wheel is and can be clipped is highly application-specific. Turbine clipping is measured and specified in degrees. Other setups, most notably in V-type engines, utilize two identically-sized but smaller turbos, each fed by a separate set of exhaust streams from the engine. The two smaller turbos produce the same (or more) aggregate amount of boost as a larger single turbo, but since they are smaller they reach their optimal rpm, and thus optimal boost delivery, faster. Such an arrangement of turbos is typically referred to as a "twin turbo" setup. Some car makers combat lag by using two small turbos (like Toyota, Subaru, Maserati, Mazda, and Audi). A typical arrangement for this is to have one turbo active across the entire rev range of the engine and one coming on-line at higher rpm. Early designs would have one turbocharger active up to a certain rpm, after which both turbochargers are active. Below this rpm, both exhaust and air inlet of the secondary turbo are closed . Being individually smaller they do not suffer from excessive lag and having the second turbo operating at a higher rpm range allows it to get to full rotational speed before it is required. Such combinations are referred to as "sequential turbos". Sequential turbochargers are usually much more complicated than single or twin-turbocharger systems because they require what amounts to three sets of pipes-intake and wastegate pipes for the two turbochargers as well as valves to control the direction of the exhaust gases. An example of this is the current BMW E60 5-Series 535d. Many new diesel engines use this technology to not only eliminate lag but also to reduce fuel consumption and produce cleaner emissions. An example of this would be the Ford Power Stroke engine. Lag is not to be confused with the boost threshold, however many publications still make this basic mistake. The boost threshold of a turbo system describes the minimum turbo rpm at which the turbo is physically able to supply the requested boost level. Newer turbocharger and engine developments have caused boost thresholds to steadily decline to where day-to-day use feels perfectly natural. Putting your foot down at 1200 engine rpm and having no boost until 2000 engine rpm is an example of boost threshold and not lag. Race cars often utilise anti-lag to completely eliminate lag at the cost of reduced turbocharger life. On modern diesel engines, this problem is virtually eliminated by utilising a variable geometry turbocharger. The newly presented Porsche 911 Turbo has eliminated this problem for gasoline engines as well. Boost Boost refers to the increased manifold pressure that is generated by the intake side turbine. This is limited to keep the turbo inside its design operating range by controlling the wastegate which shunts the exhaust gases away from the exhaust side turbine. Many diesel engines do not have any wastegate because the amount of exhaust energy is controlled directly by the amount of fuel injected into the engine, and slight variations in boost pressure do not make a difference for the engine. Applications Turbocharging is very common on diesel engines in conventional automobiles, in trucks, for marine and heavy machinery applications. In fact, for current automotive applications, non-turbocharged diesel engines are becoming increasingly rare. Diesels are particularly suitable for turbocharging for several reasons: · Naturally-aspirated diesels have lower power-to-weight ratios compared to gasoline engines; turbocharging will improve this P:W ratio. · Diesel engines require more robust construction because they already run at very high compression ratio and at high temperatures so they generally require little additional reinforcement to be able to cope with the addition of the turbocharger. Gasoline engines often require extensive modification for turbocharging. · Diesel engines have a narrower band of engine speeds at which they operate, thus making the operating characteristics of the turbocharger over that "rev range" less of a compromise than on a gasoline-powered engine. · Diesel engines blow nothing but air into the cylinders during cylinder charging, squirting fuel into the cylinder only after the intake valve has closed and compression has begun. Gasoline/petrol engines differ from this in that both fuel and air are introduced during the intake cycle and both are compressed during the compression cycle. The higher intake charge temperatures of forced-induction engines reduces the amount of compression that is possible with a gasoline/petrol engine, whereas diesel engines are far less sensitive to this. Today, turbocharging is most commonly used on two types of engines: Gasoline engines in high-performance automobiles and diesel engines in work trucks. Small cars in particular benefit from this technology, as there is often little room to fit a larger-output (and physically larger) engine. Saab has been the leading car maker using turbochargers in production cars, starting with the 1978 Saab 99. The Porsche 944 utilized a turbo unit in the 944 Turbo (Porsche internal model number 951), to great advantage, bringing its 0-100 km/h (0-60 mph) times very close to its contemporary non-turbo "big brother", the Porsche 928. Contemporary examples of turbocharged performance cars include the Audi TT, Dodge SRT-4, Subaru Impreza WRX, Mazda RX-7, Mitsubishi Lancer Evolution, Nissan Skyline GT-R, Toyota Supra RZ, and the Porsche 911 Turbo. Small car turbos are increasingly being used as the basis for small jet engines used for flying model aircraft—though the conversion is a highly specialised job—one not without its dangers. Most modern turbocharged aircraft use an adjustable wastegate. The wastegate is controlled manually, or by a pneumatic/hydraulic control system, or, as is becoming more and more common, by a flight computer. In the interests of engine longevity, the wastegate is usually kept open, or nearly so, at sea-level to keep from overboosting the engine. As the aircraft climbs, the wastegate is gradually closed, maintaining the manifold pressure at or above sea-level. In aftermarket applications, aircraft turbochargers sometimes do not overboost the engine, but rather compress ambient air to sea-level pressure. For this reason, such aircraft are sometimes refered to as being turbo-normalised. Most applications produced by the major manufacturers (Beech, Cessna, Piper and others) increase the maximum engine intake air pressure by as much as 35%. Special attention to engine cooling and component strength is required because of the increased combustion heat and power. Turbo-Alternator[1] is a form of turbocharger that generates electricity instead of boosting engine's air flow. On September 21, 2005, Foresight Vehicle announced the first known implementation of such unit for automobiles, under the name TIGERS (Turbo-generator Integrated Gas Energy Recovery System).[2] History The turbocharger was invented by Swiss engineer, Alfred Buchi, who had been working on steam turbines. His patent for the internal combustion turbocharger was applied for in 1905. Diesel ships and locomotives with turbochargers began appearing in the 1920s. One of the first applications of a turbocharger to a non-Diesel engine came when General Electric engineer, Sanford Moss attached a turbo to a V12 Liberty aircraft engine. The engine was tested at Pike's Peak in Colorado at 14,000 feet to demonstrate that it could eliminate the power losses usually experienced in internal combustion engines as a result of altitude. Turbochargers were first used in production aircraft engines in the 1930s prior to World War II. The primary purpose behind most aircraft-based applications was to increase the altitude at which the airplane can fly, by compensating for the lower atmospheric pressure present at high altitude. Aircraft such as the Lockheed P-38 Lightning, Boeing B-17 Flying Fortress and B-29 Superfortress all used exhaust driven "turbo-superchargers" to increase high altitude engine power. It is important to note that turbosupercharged aircraft engines actually utilized a gear-driven centrifugal type supercharger in series with a turbocharger. Turbo-Diesel trucks were produced in Europe and America (notably by Cummins) after 1949. The turbocharger hit the automobile world in 1952 when Fred Agabashian qualified for pole position at the Indianapolis 500 and led for 100 miles before tire shards disabled the blower. The first production turbocharged automobile engines came from General Motors. The A-body Oldsmobile Cutlass Jetfire and Chevrolet Corvair Monza Spyder were both fitted with turbochargers in 1962. The Oldsmobile is often recognized as the first, since it came out a few months earlier than the Corvair. Its Turbo Jetfire was a 215 in³ (3.5 L) V8, while the Corvair engine was either a 145 in³ (2.3 L)(1962-63) or a 164 in³ (2.7 L) (1964-66) flat-6. Both of these engines were abandoned within a few years, and GM's next turbo engine came more than two decades later. Offenhauser's turbocharged engines returned to Indianapolis in 1966, with victories coming in 1968. The Offy turbo peaked at over 1,000 hp in 1973, while Porsche dominated the Can-Am series with a 1100 hp 917/30. Turbocharged cars dominated the Le Mans between 1976 and 1994. BMW led the resurgence of the automobile turbo with the 1973 2002 Turbo, with Porsche following with the 911 Turbo, introduced at the 1974 Paris Motor Show. Buick was the first GM division to bring back the turbo, in the 1978 Buick Regal, followed by the famed Mercedes-Benz 300D and Saab 99 in 1978. The worlds first production turbodiesel automobile was also introduced in 1978 by Peugeot with the launch of the Peugeot 604 turbodiesel. Pontiac also introduced a turbo in 1980 and Volvo Cars followed in 1981 In Formula 1, in the so called "Turbo Era" of 1977 until 1989, engines with a capacity of 1500 cc could achieve anywhere from 1000 to 1500 hp (746 to 1119 kW) (Renault, Honda, BMW). Renault was the first manufacturer to apply turbo technology in the F1 field, in 1977. The project's high cost was compensated for by its performance, and led to other engine manufacturers following suit. The Turbo-charged engines took over the F1 field and ended the Ford Cosworth DFV era in the mid 1980s.
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Treadstone Performance Engineering Honey Comb Straightener!
03 Aug 2012
Honey Comb Straightener in Action! The Treadstone HoneyComb MAF (Mass Air Meter) Airflow Straightener are small additions to any cold air intake, turbo inlet pipe or anywhere a MAF sensor is located, will greatly improve the MAF readings "fuel trims" that the ECU sees. By allowing the air entering camber where the MAF resides to straighten and flow as it was intended, the end user will note a reduction of erratic MAF readings, a more stoichiometric running condition which translates to less lean or rich spikes, increase throttle response, and more stable idle. -Available in 3", 3.5" and 4" diameters. -Slides right into pipe before MAF sensor -Can be glued, braised, or epoxy'd in. Actual outside diameter will be .13 less to accommodate the wall thickness of .065 pipe sizes, so the honey comb slides right in with a snug fit.
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A Happy Treadstone Performance Engineering Cobalt Turbo Kit Customer!
02 Aug 2012
Yet Another Happy Treadstone Performance Engineering Customer! "Treadstone Stage 4 Kit. Anybody that has ever even heard of Treadstone knows that they make high quality part, and that is still true for this kit. This kit comes with everything you need to turn your 08-10 Cobalt SS into an even more enjoyable car. For starters, and in my opinion the best piece, is the turbo manifold. Its new "out of the box" styling has made it a standout manifold in the Cobalt world. Much better appearing that the typical log-style manifolds. And being that it is a cast tubular design, it also has the performance side of the board covered. Its a thing of beauty, in and out. I honestly didn't want to put it on the car. I would have rather made it a center piece for my dinner table or something! Mated with Treadstone's own TR series of intercoolers (TR8 in my case) as well as their flat textured black intercooler piping and intake pipes, the kit leaves your engine bay looking stealthy yet aggressive. People will know you aren't messing around when your hood is popped. This kit also has many turbo options available to boost your power up to pretty much as high as you want. Me personally, I went with the Precision 5557 with the billet wheel and .63 a/r. For me this was a perfect choice for this car as it doesn't have crazy amounts of turbo lag yet still is able to produce 500hp. My daily driver tune was a 91 oct, low timing and set at 24psi and I was able to achieve 407hp at the wheels. In combination with Turbosmart for the blowoff valve and wastegate, this kit has the looks to kill and the proven performance to shock just about anybody with your Cobalt SS. There is nothing bad to say about this kit and if you are in the market for an aftermarket turbo kit, feel confident that you will be satisfied by choosing Treadstone, just as I am." [gallery] Click Here For More Info!
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Biggest Badest Intercooler On The Market!
01 Aug 2012
The bomb has landed and the news is out, Treadstone Performance Engineering has blown the competition away with this one. The latest release to the Treadstone line up is our massive front mount intercooler kit available for the WRX STi. Treadstone Performance Engineering raised the bar in front mount intercoolers for your WRX with a massive 4.5" deep core, 28" long and 10.5" high making this the new benchmark intercooler! Capable of flowing 938cfm at 1.5psi pressure loss, this unit is efficient up to 900hp without breaking a sweat! With many of our private label intercoolers already on the market today, this unit is tried and tested on the track and the strip by many of the top names in Subaru tuning. Forget about heat soak with this monster, you can run on the track all day with out ever worrying of loosing horse power due to heat soak. We have field tested this with efficiencies of up to 95%! Incorporated into the design is a front frame brace which takes place of the bumper support and maintains front structural integrity of your vehicle. Our intercooler core uses top quality pure aluminum alloy making our intercooler lighter than the competition even with a larger overall size! [gallery columns="4"] The Treadstone name has become synonymous with quality intercoolers over the past few years, and we pride our selves on it! We manufacture our bar and plate cores with strict guidelines, and are specifically designed to maximize cooling using the most surface area possible in any given space. Our cores give the perfect balance between heat exchanging efficiency and flow. Our internal fin structure design is top notch, and is where the most important changes can be made to enhance the cooling rate. Treadstone intercooler cores feature a high heat-dissipating "Inner fin" design. This is ideal for medium to high boost levels on higher horsepower or upgraded turbo engines. The larger internal surface area provides superior cooling efficiency for radiating excessive heat and minimizing heat soak. In general, these design characteristics is what gives Treadstone Intercoolers the leading edge in intercooler technology. Treadstone Performance gives you the options of colored pipes; Suby Blue, Murdered out Black, Crinkle Red, and Polished. All pipes color options are powder coated with a crinkle finish for easy cleaning and to show less smudges and dirt. Also this is not a kit for stock location turbos, how ever you can still adapter the rotated mount kit piping to connect to stock turbo location. Extra pipes that will be needed are 1-2.5" to 2" 45 silicone, 1-2" Aluminum 90, and 1-2" Silicone 90
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Treadstone Performance New Product Release!
01 Aug 2012
Turbo Compressor Inlet Mesh Screens, Stainless Steel Some of our customers have searched high and low to find a quality high flowing mesh screen to put in front of your turbo inlet when not using a filter, well...Treadstone Performance Engineering has found the perfect solution! Made from 304 Stainless, these woven wire mesh disk screens are corrosion resistant and are perfect to catch any debris that could damage your turbo! -Wire diameter .016" with .034" open width, and 46% open area. -We have them available in 4" OD, 4.56" OD, 5" OD, and 7" OD -4" OD are for 3" turbo inlets. -4.65" or for 3.5" turbo inlets. -5" OD are for 4" turbo inlets. -7" OD are for 5" turbo inlets. [gallery] Combine these with our velocity stacks and you can really free up some HP without sacrificing an expensive turbo! Note: These are for race and show applications only applications, we do not recommenced these for full time street driven vehicles.
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Important! Please Read Before Purchasing Any Blow Off Valve!
27 Jul 2012
Important! Please Read Before Purchasing Any Blow Off Valve! Here at Treadstone we strive to provide our customers with the best possible service, and help them make the best possible chose when it comes to turbocharging any vehicle, and as such we try to inform our customers as much choice as possible. So today’s topic is BOV springs and the common misconception you might face with them. Misconception: 1) All BOVs are the same, in reality there are many different types and styles of BOV on the market each made for different styles and configurations. From the popular pull-type HKS to the new 50mm Tial Q BOV all have their pros and cons. 2) A BOV is not always needed; the truth is that a BOV enhance the turbochargers’ overall lifespan by alleviating detrimental compressor surge thrust loads during closed throttle or high vacuum conditions. 3) All Vacuum is the same, in reality not all vacuum line are the same a vacuum line before the throttle body experiences very little to no boost while a vacuum line after the throttle body sees both boost and vacuum. So when choosing your reference line make sure to keep this in account, or else your accessory systems my not function in a manner you would like them to. 4) The BOV spring must match the boost spring, this is the most common misconception in actuality the BOV spring must match the vehicle vacuum at ideal this allows the BOV to open when the throttle is closed rapidly. For instance if you have a vacuum pressure at ideal is -20 In/Hg you would use the -11psi spring in your Tial Q BOV, on the Other hand if you had -8 In/Hg of vacuum on ideal you would use the -6psi spring this allows the BOV to open as soon as the throttle closes. [gallery] When ordering any performance product remember that information is your greatest asset and here at Treadstone Performance Engineering we are here to service all of your need.
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Treadstone Performance Engineering Is Intercooler Central!
26 Jul 2012
From Big Block V-8 to High output high revving 4 cylinders, Treadstone Performance has the Intercooler for your application. All Treadstone Performance Intercoolers features superb quality highly efficient bar and plate construction. Our quality cast end tanks ensure evenly distributed airflow and low-pressure drop. These intercoolers are pressure checked to 150psi and come with a 1-year warranty against manufacture defect. [gallery columns="4"] At the heart of every intercooler resides the air-to-air core. The air-to-air core is the component of the system that exchanges hot charged air from the turbocharger for cooler air which enters your engine, the cooler the air entering your engine the more horsepower that can be extracted. With three different intercooler cores to choose from; Perforated cores, MDC (medium-density core) and HDC (High-Density Core), Treadstone has the core to suit your intercooling and turbocharging needs. Each of the three cores has a verity of advantages when it comes to cooling efficiency, pressure drop and Airflow. To achieve this each core incorporates different technologies to maximize performance. To aid in the selection of the core Treadstone Performance Engineering has made a comparison to the three cores we offer. This article shows the difference between each of the cores and a brief summary of the different technologies incorporated within.
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Treadstone Performance Engineering For the Win!
26 Jul 2012
Treadstone Performance Engineering For the Win! This customer used on of our very own TR8 intercoolers in this very clean Hyundai Tiburon, and the result was a simpler more efficient design with fantastic results “The list of issues went on and on, and included a too-large intercooler, boost creep and a damaged air-conditioner condenser... Daniel then selected a Treadstone intercooler.” and the outcome speaks for itself.
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All of our products complement the best in performance turbocharging today! Turbonetics, Precision, and Garrett Turbochargers, the pioneers in performance turbocharging! With the knowledge and experience of some of the best names in turbocharging. Treadstone products parallels with quality and reliability, giving you the best products combination in performance turbocharging.

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