Roe Racing Viper Engine Calibrator Questions, Answers & Info.

Sean Roe

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<FONT face="arial"><FONT size="4">Heard of it, but don't know what it is? Know what it is, but don't know how to use it? Do you use it and have tips and info for others? This is the place to post!
I'll check in regularly to offer my assistance.
Here's the info from our website to get things started:
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Viper Engine Calibrator (VEC1) for all GTS models, 1997 & newer RT/10's with Air/Fuel Ratio Gauge. By Popular Demand, Now Available Together or Separate
The stock Powertrain Control Module on the Viper provides too little fuel and excessive advance at part throttle loads. Conversely, the PCM provides too much fuel and too little advance at Wide Open Throttle. Our VEC1 allows you access to the untapped power within your engine by giving you the ability to adjust fuel and timing curves for different load conditions or engine modifications. Noticeable gains in throttle response and top end power are literally " within reach". The VEC comes with a high quality LED Air/Fuel ratio gauge, that cleanly mounts to the top of the steering column so that you may monitor your engine's performance. The control box is mounted inside your car. All components for installation and tuning instructions are included. No drilling or special tools required! Compatible with all PCM's, though the largest gains in power and throttle response will be when used with a stock PCM. Most Vipers pickup a peak of 14 HP and 16 Ft. Lbs of torque at the rear wheels across the entire RPM range. 6-month warranty. 30-day money back satisfaction guarantee.
Priced at $495.00 Plus S&H. On sale now! 10% off one (save $49.50) or 15% off two or more (save $74.25 each) on the same order!
We now offer the VEC1and the Air/Fuel Ratio Gauge as separate items. For those who want to use our Air/Fuel Ratio Gauge to monitor the performance of their stock or modified engine and don't need one of our VEC1's, you may now purchase the gauge by itself. For those who need the ability to alter the Ignition Timing and Air/Fuel ratio, but already have a means to monitor their changes, you may now purchase the calibrator by itself. Both items will come with full installation and use instructions as well as our standard guarantees and warranties. VEC1 Calibrator only: priced at $379.95 plus S&H
Air/Fuel Ratio Gauge only: priced at $129.95 plus S&H (compatible with all oxygen sensor equipped vehicles).
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Sean Roe

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Jacksonville, FL
The dyno graph below is from a 1996 GTS belonging to FL Johnny GTS . In pull # 2, the calibrator was set at 0/0, a pass through setting that does not alter air / fuel ratio or timing advance from stock. In pull #4, the VEC1 is adjusted to alter the air / fuel ratio and timing advance for increased throttle response on the street and more top end power, which can be seen on the dyno pull.
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