You don't have to be a master mechanic to get a major horsepower increase from your vehicle. All you need is a half an hour, a set of hand tools, and Python's Venom 400 performance control module. These Venom 400s increase horsepower by 25 percent in the 1,000 to 5,000 rpm range and reduce delay when you mash down your throttle. And because they only kick on during increased engine load, they don't affect fuel economy under normal driving conditions. They'll work with preinstalled performance chips, have an off switch to preserve smog certification when not racing, and require only four electrical connections during installation.
The VENOM 400™ Performance Control Module is an add-on control unit that features its own micro-controller. This module is connected to the vehicle's sensors and increase engine performance by monitoring the sensors output characteristics and modifying the input to the existing vehicles computer.
VENOM 400™ Advantages
The VENOM 400™ improves horsepower by as much as 25% through the range of approximately 1,000 to 5,000 RPM. The VENOM 400™ is OBD II compatible. Besides a substantial increase of torque, the VENOM 400™ reduces flat spots or delay time during sudden acceleration.
The VENOM 400™ incorporates an 8-bit micro-controller that is capable of monitoring the various sensor inputs and modifying their output at more than 40 times per second.
If you have already installed a performance prom, the VENOM 400™ will enhance the vehicle's performance beyond the parameters set by the performance prom.
The VENOM 400™ is only active when peak performance is required. During normal driving, the VENOM 400™ remains passive until the microcomputer determines that engine airflow and throttle position warrants increased performance. Normal fuel economy prevails while under normal load.
The VENOM 400™ enhances the performance gains achieved by installing an upgraded chip. Whatever the gains are as specified within the chip, they will be magnified through the use of the VENOM 400™.
The VENOM 400™ has an off switch so smog certification is achieved when not racing.
The VENOM 400™ will not trigger the emission safeguards of today's vehicles.
Easy installation in 20-30 minutes with basic hand tools requiring only four electrical connections.
Red cockpit LED indicating VENOM 400™ activation.
Up to 25% more increase in horsepower throughout the power range of 1,000 to 5,000 RPM (where the vehicles red line is 6,000 RPM).
The flat spot or delay found with automatic transmission downshifts, which can be as much as three seconds, is eliminated (when equipped with auto instead of manual).
VENOM 400™ Questions & Answers
Q. Okay, How Does It Work
A. The Venom 400 activates at about 25-30% Throttle Angle. When it does it modifies the input signals going into your computer, in particular the Manifold Absolute Pressure and Throttle Position Sensor Signals.
Q. How Do I Get More Power From That
A. Well, when the computer sees these "modified" signals it will provide a different set of fuel and ignition maps than it would normally provide. These maps tell the computer what the spark timing and fuel injection pulse (fuel) should be for any given engine operating condition, like under load, part throttle or deceleration. The Venom makes the computer use different maps that are more aggressive and provide better performance.
Q. What Do You Mean By Better
A. Well, the factory ECUs are not always tuned for the best performance, they are tuned for the best fuel economy and emissions. That's particularly true of sport compact cars that are designed to get good fuel economy.
Q. So Emissions will Go Up, and Fuel Economy Will Go Down
A. Actual tail pipe emissions will probably remain well within specifications. This is a result of the efficient (but restrictive) catalytic converters found on modern vehicles. Fuel economy will usually decrease slightly. It is difficult to make more horsepower without burning more fuel, that's just a fact of life. If anyone tells you that they can increase horsepower without burning more fuel on a late model (95 and up) vehicle I would be suspicious. The fact is, the manufacturers do an great job at getting the most horsepower at the "lowest emission level" possible. But they are concerned more with emissions and fuel economy so they will detune the engine by 10 or so horsepower if it can mean a ULEV certification or extra 1 mile per gallon. (Ultra Low Emissions)
Q. So Is This Like a PROM or Computer Chip
A. Kind of, but different and better. PROM chips really stemmed from GM products. Tuners would reprogram and tweak the PROMS to get more performance.
When we started developing the Venom we thought of doing that but ruled it out quickly. First, the industry is going to Flash PROMS, whichare non removable. That means you have to take your whole computer out, send it to someone to have it reprogrammed, which can take days, that is a pain. In addition once programmed its in there and in order to "turn it off", lets say for "on-road" use or emissions certification, you would have to reprogram it again. We really didn't see that as a viable option for the customer. We wanted to be able to switch it on or off (i.e. for on road, off road). The problem with PROMS is that most states will have some type of emissions program. Two things can happen. The PROM programmer gets too aggressive and the vehicle won't make it through a test. Or, they are too conservative and you don't get the performance gains. Because you can switch ours off, you don't have to worry about that.
Q. What's Deal With The Little Red LED
A. The LED is mounted in the dash and will tell you when the Venom is active. Another benefit over PROMS or CPU upgrades.
The venom works well. It basically makes your throttle act as if it was full when the pedel is throttle is half way. On my AT shifts were crisp and longer with more power in between. Installation was a bit tricky with the stock parts, but after a little modding everything came to gether nicely. Good product.
the part has helped my car so much.It has dropped at least a second off my 0-60 time.I recommend this part to any body, plus anybody could put this in with ease
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