What’s the difference between analogue and digital tuning units and why Multi-Channel Technology?
Quite simply the analogue unit has no electronics inside and no microprocessor, it's generally made of resistors inside a plastic box with a screw to increase or decrease fuelling, these are very cheap to make and are usually found on well-known auction sites, the risk with these units is that they have no set program to deliver the increased fuel or turbo pressure at specific points, instead they just increase fuelling or turbo pressure continuously even at idle which can cause the engine to run erratically and over time will likely cause damage and usually create a lot of smoke from the exhaust and possibly damage the turbo.
This is a real danger on the newest vehicles fitted with Diesel Particulate Filters on the exhaust because if the filter becomes blocked and cannot be regenerated you will have to replace it at great cost.
The analogue units generally will not work on a large number of modern cars due to the latest intelligent computers running the engine which can detect them and will cause the engine warning lamp to come on and the engine to go into safe mode (greatly reduced power and limited revs).
A digital tuning unit has a microprocessor controlled computer board inside which is programmed with specific parameters for each individual vehicle to obtain the maximum performance without reaching the safety cut-off limits set by the manufacturer, each unit is set up on a dynamometer so the results can be accurately measured, the digital unit will also not function until the accelerator pedal is pressed beyond a certain point at which you are demanding extra power, this means that no extra fuel is being added at idle and the extra fuel being injected is reduced again when the engine approaches maximum revs to avoid damage, put simply the digital unit is carefully designed using the latest technology to achieve the maximum performance safely from each individual make and model of vehicle, also the parameters in the digital tuning kit are hard programmed into the control chip so they can never alter over time or temperature.
What is Multi Channel Technolgy?
Multi-Channel is used on almost all of our tuning kits, the advantages of this technology are huge, we have the ability to control not just the amount of fuel being injected into the engine but simultaneously the turbo pressure can also be altered to make the air-fuel mixture correct. We can also use input signals from the engines Mass Airflow Meter (MAF) or camshaft sensor to read the engine RPM and make Live Tuning as you drive instead of a fixed map which can have too much increase at low revs and can put an additional strain on the engine and gearbox.
Our units also have the ability to read engine temperature so the tuning can be delayed until the engine reaches a safe running temperature before power is increased. This technology is far more complex than single channel tuning kits made by most other companies and costs significantly more to produce but the benefits both in quality and performance make the extra cost worthwhile. We also use 64-bit microprocessors for the fastest processing speeds.
But don't you increase injector pressure and boost pressures etc?
Yes, but unlike some of our competitors, we do not lift them above their normal maximum pressures. Whether fuel or air boost, the maximum absolute pressures are never exceeded over what they would reach normally, but we do increase the values earlier, and hold them longer. For example, if your maximum fuel injector pressure is 20,000psi and air boost is 30psi, these maximum values will never be exceeded by Spider®, though where your fuel injector pressure may be 12,000psi and air boost 18psi at 2500 rpm, we may allow the injector pressure to rise to 14,000psi and air boost to 21psi for the same condition.
Of course, technically, it is more complicated because we also may factor in air flow from the MAF sensor and sometimes throttle position and RPM, but this gives you an idea of how our systems work safely with your car to allow a safe and effective performance increase.
That said, a heavier driving style or constant hard acceleration can increase wear over time but this is true on a standard engine. As long as you maintain and service your car as per the manufacturer's recommended schedule, you should have no concerns.
Click, Click & You're Done!
Each chiptuning system comes complete with an original equipment connection harness. Simply connect to existing sensor connections on your engine using identical connectors and press the auto-calibrate button. Once removed it leaves no trace.
The connectors we use on our harness match exactly the ones used on your engine, this makes installation quick and easy especially as the Spider unit is designed so it needs no connection to your vehicle's battery making it that much easier to install.
Remove at anytime by simply unplugging the unit and your engine is instantly back to standard, no trace.
Change your car, and simply change your harness to refit your unit in to your new car, simple and easy.