XSpeed's in-depth technical features enable you to expand your knowledge about performance cars.
We also contribute Do-It-Yourself articles for installing simple aftermarket parts. Be sure to keep an eye on this section for
new and upcoming features.
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New Turbosmart Boost Tee
Added On: 20th Dec 2006
The long-awaited replacement for Turbosmart’s enduring entry-level
Gated Boost Controller is here. Redesigned inside and out, the new
Boost Tee is smaller and lighter than its predecessor, offering improved control, more linear adjustment and a g...
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The Importance of a Turbo Timer
Added On: 20th Jan 2006
What is a Turbo Timer?
A Turbo Timer is an electronic device that allows your car to keep running at idle by itself
after the ignition has been turned off with the key. It does this for a preset amount of time before
shutting the en...
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What is a Fuel Pressure Regulator? Why & When do you need one?
Added On: 12th Dec 2005
What is a Fuel Pressure Regulator?
EFI fuel pressure regulators come in various shapes and sizes but all have the same purpose -
to maintain a constant fuel pressure above the intake manifold pressure. The...
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HKS EVC Boost Controller Questions & Answers
Added On: 3rd Nov 2005
Q1: I don’t understand how to set the boost. Does the “100” in the A/B Volume stand for 100kpa?
A: The A/B Volume numbers are not boost pressure measurements, merely setting parameters from 0~100. To set the boost, use the desired boost f...
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When is Fitting a Fuel Cut Defender Necessary?
Added On: 3rd Nov 2005
Most late model turbo systems have an inbuilt defence mechanism to guard against increases in boost pressure. These systems are important in an unaltered, factory set-up, but can be an obstacle if you decide to increase boost pressure.
If ...
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Wastegates - Facts and Fiction
Added On: 12th Oct 2005
The more powerful the engine, the bigger the wastegate you need.
This is one of the more popular misconceptions abou wastegates. Use this simple guide before setting out to find the biggest wastegate you can afford.
Big Turbo / Low ...
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Blow-Off Valves Tech Tip: Flutter - Good or Bad?
Added On: 12th Oct 2005
The 'flutter' noise reported by many excited enthusiasts may sound good but is actually very unhealthy for the turbo.
The 'flutter' occurs when, upon shutting the throttle, compressed air is caught between the free-spinning turbo and the clo...
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All About Dynomometers - Plus Shootout Mode Explained
Added On: 29th Jul 2005
A dynamometer or "dyno" as it is commonly referred to, is an expensive computerised device used to measure power
and torque produced by an engine. There are two types of dynos; these are the "Chassis Dynos" and the "Engine Dynos", each having
the...
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The Low Down on Fuel Systems
Added On: 19th May 2005
Fuel System.
With all forced induction motors you have to make sure that where there is an increase in positive manifold pressure that there is enough fuel being supplied to prevent leaning out.
Fuel Injectors ...
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How a Turbocharger Works
Added On: 11th May 2005
Use of a turbocharger can significantly increase the horsepower and torque of an engine without a significant increase in the weight of the vehicle. Turbochargers also allow you to increase power without any increase in the cubic size of your motor...
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Blow-off Valves
Added On: 10th May 2005
Compressor blow-off and by-pass valves play a vital role in any turbo system because they not only improve the performance of your vehicle but they also increase the longevity of the turbocharger as well. The primary function of any blow-off or by-pa...
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Electronic Boost Controller
Added On: 10th May 2005
Before we examine how a boost controller works, we need to understand how the turbocharger would control boost levels without a boost controller. A turbocharger has a component called a wastegate, which is a like a valve. When the valve is closed, ex...
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Performance Exhaust Systems
Added On: 10th May 2005
Increasing the amount of exhaust flow is the first progressive step to increased engine performance and efficiency. The factory exhaust system represents a restriction in the stock configuration. By designing a system that increases the mass and velo...
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Air Intake Systems
Added On: 10th May 2005
HKS Super Power Flow air intake systems have been designed to dramatically reduce inlet restrictions posed by today's sealed factory air boxes in both turbo and naturally aspirated configurations.
The unique design of the Super Power Flow...
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Intercooler Kits (HKS)
Added On: 10th May 2005
All HKS Intercoolers improve both the efficiency and power of any turbocharged application by rapidly reducing inherent heat levels of the compressed intake air charge before entering the engine.
By utilizing a special tube and fin design,...
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