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May 4, 2007

Schumacher PS-400-3A Instant Power Jump Starter


The versatile Schumacher PS-400-3A has a maintenance free, 18 ampere hour battery that delivers 850 peak amps and 250 crank assist amps. It provides extra power that 12 amp units just can't provide, making it perfect for truck and heavy duty applications. With the PS-400-3A you can make sure you're never stranded with a dead battery again. Forget about flagging down a stranger for help or fumbling with unruly jumper cables, the PS-400-3A is a rugged jumpstarter that will charge your battery and get you back on the road. And if you can't stay away from your work while you're out of the office, you can even count on the Schumacher to provide standard 12-volt power -- plug in your laptop or other devices just like you would at home.
Safety and Convenience Features
The PS-400-3A is loaded with safety and convenience features, including a reverse hookup protection to safeguard the car battery, computer, and Instant Power from damage in case the cables are connected to the wrong terminals. An audible alarm warning sounds when clamps are reversed or touched together.

The PS-400-3A gives you portable power to jumpstart nearly any battery.
The jump starter on/off switch shuts off the internal battery at the clamps for added safety, eliminating accidental shorting of the clamps. A 12-volt power outlet allows you to operate any number of 12-volt devices. Its extra wide base provides maximum stability and safety.

Easy to Use
To revive a dead battery, simply connect the PS-400-3As two cables to the battery terminals of the stranded car and turn the key. After providing a jump (or every few months, if stored), the unit should be recharged by plugging it into a wall outlet with the included cord. The sealed lead-acid battery provides enough power to operate a cellular phone for 30-plus hours, a depth finder for 21 hours, or a camcorder for 12 hours.

Features
The display is comprised of easy-to-read battery status LEDs, which tells you when internal battery is at full power, 75 percent charged, or at 50 percent or less. A simple push of the button instantly turns on the display. The heavy duty, copper jaw, 300 amp, metal clamps are designed for solid connections to top and side post batteries. The #4 gauge, 28-inch cable stays flexible in the coldest temperatures. The LED indicator lets you know whether the unit is in charging or charged mode to help easily monitor the status of the internal battery.

Durable and Easy to Store
The PS-400-3A is rust and corrosion proof, featuring a one-piece construction and a polypropylene case which resists fuels and solvents. Storage mounts on the back of unit keep the clamps in place for safety when not in use.

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Jumpstart Car Battery Charger w/ Air Compressor


One of the handiest tools you should have in your vehicle. The This JumpStarter can jump start your car, truck, boat, RV, snow mobile or tractor in event of a battery failure. It will let you restart your vehicle, so you can get to the next town for help. When you vehicle's battery cannot start alone because of the cold, harsh weather it's in, It will help in boosting the on-board battery's cranking power to get your vehicle started. It is versatile, very easy to use, and there is no need to ask anyone for assistance. Furthermore, it is a 50-hour mobile, spare 12V battery that you can use everywhere. Take it on your camping trips. Use it for your radio, CD player, and cell phone through its Cigarette Lighter Receptacle. The versatile JumpStarter even comes with a 260 PSI air compressor that will help you inflate flat tires, rafts, air mattresses, balls, and etc. . . -TWO FEET OF AIR HOSE WITH LOCKING CLAMP AND ACCESSORIES - INFLATES TRIES, RAFTS, BALLS, AIR MATTRESSES, AND OTHER TOYS -RECHARGEABLE FROM 12 VDC OR 120 VAC SOURCES WITH OVER - CHARGE PROTECTION -BUILD-IN AIR PRESSURE GAUGE FOR ACCURATE MEASUREMENTS 1706 Potrero Ave. S. El Monte, CA. 91733


* PEAK AMPS: 900 AMPS
* CRANKING AMPS: 400 AMPS
* COLD CRANK AMPS: 280 AMPS
* BATTERY POWER: 12-VOLT 17 AH SEALED, RECHARGEABLE MAINTENANCE FREE
* BOOSTER CABLES: #4 GAUGE HEAVY-DUTY WITH 400 AMPS CLAMPS

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Viper 791 XV 2 way Car Alarm/Remote Start System

Only available 2-Way Remotes with 66-bit Code-Hopping! * Includes a Belt Clip * Vehicle Recovery System * Turbo timer and defroster activation output built-in. * Parking light flash * Dedicated 1 button start * +/- Doorlock Polarity Outputs * One 4-button LCD Remote * 5 channels * 5 zones * Flashing L.E.D. light * Valet switch * Starter Disable built-in * 6 Tone Revenger Siren * Remote Panic/Car Finder * $2,500 Guaranteed Protection Plan * Super High Frequency (SHF): The best range in the industry! * XCRS-4 relay/extreme capacity relay satellite. * Automatic configuration of transmitter buttons. * All models are Clone-Safe. * Diesel mode now with dedicated glow plug input. * Complete engine monitoring: Off, voltage, or tach * Longer run time: 12, 24 or 60 minutes programmable. (0-60 minutes with the Bitwriter) * Dedicated factory security control wires. * Viper GPS Tracking System: through ESP 2 serial port


* User-friendly 2-Way Remote with the Ultimate 2-Way Security and Remote Start system!
* Responder Technology: Unique LCD Interface for 2-Way communication of command confirmations and trigger events!
* Confirms all commands with easy-to-understand icons, plus text!
* Alerts users to security system triggers by Beeping or Vibrating!
* Responder alerts you when too far away to hear it.

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Autocool - Solar Powered Fan That Keeps the Interior of Your Car Fresh and Auto Cool, a Perfect Auto Vent


Use the sun to keep your car cool We've all experienced it: you park your car on a hot summer day. When you return to your vehicle, you open the door and immediately feel like you're in an oven. The inside is hot and uncomfortable. The seats are sticky and the steering wheel feels like it's on fire. Not a pleasant way to enter your vehicle. The AutoCool uses sunlight to keep your car cool while you're away. When you come back to your car, you'll find it comfortable and cool. How it works - AutoCool is a solar powered fan that keeps the interior of your car cool and fresh. No batteries are needed. Just roll down your window, place the Auto Cool on it, and roll it back up. The solar panels on the outside collect and use the light to run the fan that's on the inside. The fan in the AutoCool circulates the air that's inside and outside of your car. It sucks out the hot air that's inside your car and replaces it with the cooler outside air. Benefits - Protects expensive leather seats from weakening, Protects dashboard and interior, Keeps valuable items safe from hot conditions, Reduces air conditioning use and fuel consumption. Keep cool in the heat Just because it's hot outside doesn't mean you have to be hot while driving. The AutoCool solar powered fan will make sure that your car is always the coolest thing on the road. Includes: AutoCool, Instruction guide. An Excellent Auto Vent!! A Perfect Auto Cool and Car Fan!!

# AutoCool is a solar powered fan that keeps the interior of your car cool and fresh.
# No batteries are needed, Reduces air conditioning use and fuel consumption, Keep cool in the heat
# Keeps valuable items safe from hot conditions, Protects dashboard and interior, Protects expensive leather seats from weakening

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In-Dash DVD/AM/FM/MP3/MP4/DIVIX Player with 3.5-Inch TFT LCD


This unique DVD player can adapt to your particular needs. For all you addicted- downloaders, this stellar DVD player will play all your DVDs, including DIVIX. For all our international customers, this DVD player, like all of our other systems, will play all Regions/Zones in the world. The quality of this system will guarantee that this is the last DVD player you will ever need to buy for your car. This system also comes complete with all the cables needed for installation and manuals. General Specs: - 3.5" Wide TFT Color LCD Screen - 1DIN - Electronic-Anti-Shock - Screen Position Memory - Repeat/Program/Random/Intro Play - 30 Preset Stations - Auto Memory Store/Preset Scan - Preset EQ(Pop/Rock/Classic) - 40×4High Power Output - DVD/VCD/Changer Control Interface - Parking Detector Interface - 2V Preamp output(2 Pairs RCA) - Subwoofer Output - Card Size Full Function Remote Control - Rear Monitor Video Output - Detachable Control Panel Face plate - DVD/DVD-R/MP3/MP4/VCD/CD/CD-R/CD-RW/ DVIX Compatible - Picture Control: Brightness/Contrast/Color/Tint/Reflection Size - DVD/MP3/VCD/CD/CD-R/CD-RW Compatible - TV Tuner Control - With connector and SD/MMC/MS cards slot DVD Deck Section: - 4 Channel RCA Preamp Output(DVD) - Preset EQ(Pop/Rock/Classic) - & Discs Played: DVD, VCD, 1.0/1.1/2.0/3.0,MP3,CD,CD-R,CD-RW,DVD- R, Picture-CD - Video System: AUTO/PAL/NTSC - Mounting Angle: 0 to +/- 30 Degree Video Section: - 2 Channel RCA Preamp Output - Video System : 4:3 Letter Box and 4:3 Pan Scan - Video Output Level : p-p 75 ohms - Horizontal Resolution : 500 Audio Section: - 2 Channel RCA Preamp Output (MP3) - Maximum Output Level : 2Vrms(+/-3DB) - Frequency Response : 20 to 20 KHZ - Signal-to-Noise Ratio : 85DB - Separation : 80DB TV System: - PAL/NTSC/SECAM



* 3.5'' TFT LCD Screen DVD Player With Tunner, USB and DIVIX
* Internal TV/AM/FM Tuner (PAL/NTSC/SECAM )
* Full Function Remote Control Included
* Will Accept Memory Stick and USB drive
* Aux Capable (Ipod & Back Up camera) Dual Monitor Capable

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Mar 23, 2007

Cleaning a car engine

start the engine, let it warm up for a few minutes then shut it off, in order to soften up collected grease and grit in your engine compartment.

correct cleaning temperature for the engine to be is warm but not hot- you should be able to hold your hand to the engine without burning it.

Before cleaning the engine with water, it's imperative to cover electrical and mechanical components beneath the hood to protect them from water damage.

The air intake/air filter, the distributor, the coil and the oil dipstick/breather should be covered using plastic baggies sealed with rubber bands.

It's a good idea to also check the tightness of the
1) oil filler cap
2) power steering filler cap
3) windshield washer fluid cap
4) oil dip stick
5) battery filler caps


Spray all over the engine and engine compartment with non-petroleum based degreaser,

starting from
the bottom and working up.

Citrus degreasing products will not harm the paint or finish on aluminum components and are biodegradable.

After 3-5 minutes use a soft cotton towel or brush to carefully scrub the heavy dirt. Re-spray and re-scrub any areas that need additional cleaning.

Once the whole engine and engine compartment has been cleaned, rinse thoroughly with water.

Try to avoid getting the degreaser on any exterior painted areas as it will strip the wax from your finish. If this happens, it's okay, but you'll have to give those areas a good wax job when you're through.

Once clean, right away take off all the plastic baggies.

Dry any collected water, especially on aluminum parts, with a soft cotton towel.

Using paper towels, dry the battery.

Start the engine and let it warm up, in order to dry the remainder of the engine and evaporate any moisture in sensitive components. Once everything is dry and cooled off is a good chance to put a coating of rubber protectant on your rubber hoses, plastic shields and rubber gaskets.

If the battery terminals are dirty, disconnect the cables and clean both the cable terminals and battery posts with a wire brush.

Reconnect the terminals and retighten. Get some battery terminal spray and spray on the connected terminals to protect them from corrosion.

A thin coating of non-silicone lubricant should be applied to any hinges, throttle cables, cruise control cables and similar moving parts. Now check and top off fluid levels.

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Mar 12, 2007

NOx Adsorbers

The NOx Adsorber or NOx Trap is a device that is use to reduce NOx (NO and NO2) emissions from a lean burn internal combustion engine.


Purpose and Function of a NOx Adsorber

A NOx Adsorber is designed to reduce oxides of nitrogen emitted in the exhaust gas of a lean burn internal combustion engine. Lean burn (diesel) engines present a special challenge to emission control system designers because of the relatively high levels of O2 (atmospheric Oxygen) in the exhaust gas stream. The 3-Way Catalytic Converter technology that has been successfully used on Rich Burn Internal Combustion Engines (typically fueled by petrol but also sometimes fueled by LPG, CNG, or Ethanol) since the middle 1980s will not function at O2 levels in excess of 1.0%, and does not function well at levels above 0.5%. Because of the increasing need to limit NOx emissions from Diesel engines technologies such as Exhaust gas recirculation (EGR) and Selective catalytic reduction (SCR) have been used, however EGR is limited in its effectiveness and SCR requires a reductant, and if the reductant tank is emptied the SCR system ceases to function.

The NOx Adsorber was designed to avoid the problems that EGR and SCR experienced as NOx reduction technologies. The theory is that the zeolite will trap the NO and NO2 molecules - in effect acting as a molecular sponge. Once the trap is full (like a sponge full of water) no more NOx can be adsorbed, and it is passed out of the exhaust system. Various schemes have been designed to "purge" or "regenerate" the adsorber. Injection of diesel fuel (or other reactant) before the adsorber can purge it - the NO2 in particular is unstable and will join with Hydrocarbons to produce H2O and N2. Use of Hydrogen has also been tried, with the same results, however Hydrogen is difficult to store. Some experimental engines have mounted Hydrogen reformers for on board Hydrogen generation, however Fuel Reformers are not mature technology.

NOx Adsorbers are experimental technology as of early 2006, and thus extremely expensive. Whether or not this technology will be successfully commercialized is open to question - only time will tell.


Technical Details

The NOx Adsorber is based on a catalytic converter support that has been coated with a special washcoat containing zeolites.

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Mar 4, 2007

Programmable ECUs

A special category of ECUs are those which are programmable. These units do not have a fixed behavior, but can be reprogrammed by the user.

Programmable ECUs are required where significant aftermarket modifications have been made to a vehicles engine. Examples include, adding or changing of turbocharger, adding or changing of intercooler, changing of exhaust system, conversion to run on alternative fuel. As a consequence of these changes, the old ECU may not provide appropriate control for the new configuration.

In these situations, a programmable ECU can be wired in. These can be programmed/mapped while the engine is running by connecting a laptop to it using a serial or USB cable.

For example the programmable ECU may control the amount of fuel to be injected into each cylinder. This varies depending on the engine's RPM and the position of the gas pedal (or the manifold air pressure). The engine tuner can adjust this by bringing up a spreadsheet-like page on the laptop where each cell represents an intersection between a specific RPM value and a gas pedal position (or the throttle position, as it is called). In this cell a number corresponding to the amount of fuel to be injected is entered.

By modifying these values while monitoring the exhausts using a wide band lambda probe to see if the engine runs rich or lean, the tuner can find the optimal amount of fuel to inject to the engine at every different combination of RPM and throttle position. This process is often carried out at a dynamometer, giving the tuner a controlled environment to work in.

Other parameters that are often mappable are:

* Ignition : Defines when the spark plug should fire for a cylinder

* Rev limit : Defines the max RPM that the engine is allowed to rev to. After this fuel and/or ignition is cut.

* Water temperature correction : Allows for additional fuel to be added when the engine is cold (choke).

* Transient fueling : Tells the ECU to add a specific amount of fuel when throttle is applied.

* Low fuel pressure modifier : Tells the ECU to increase the injector fire time to compensate for a loss of fuel pressure.

* Closed loop lambda : Lets the ECU monitor a permanently installed lambda probe and modify the fueling to achieve stoichiometric (ideal) combustion.

Some of the more advanced race ECUs include functionality such as launch control, limiting the power of the engine in first gear to avoid burnouts. Other examples of advanced functions are:

* Waste gate control : Sets up the behavior of a turbo waste gate, controlling boost.

* Banked injection : Sets up the behavior of double injectors per cylinder, used to get a finer fuel injection control and atomization over a wide RPM range.

* Variable cam timing : Tells the CPU how to control variable intake and exhaust cams.

* Gear control : Tells the ECU to cut ignition during (sequential gearbox) upshifts or blip the throttle during downshifts.

A race ECU is often equipped with a data logger recording all sensors for later analysis using special software in a PC. This can be useful to track down engine stalls, misfires or other undesired behaviors during a race by downloading the log data and looking for anomalies after the event. The data logger usually has a capacity between 0.5 and 16 Mbytes.

In order to communicate with the driver, a race ECU can often be connected to a "data stack", which is a simple dash board presenting the driver with the current RPM, speed and other basic engine data. These race stacks, which are almost always digital, talk to the ECU using one of several proprietary protocols running over RS232, CANbus or ethernet.

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