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The Sniper Transmission Controller STC is designed for common GM and Ford electronic 4-speed transmissions. Three part numbers cover a complete range of applications – all Sniper EFI systems Sniper 2 EFI specific M8 CAN connection or a full standalone unit. The Sniper specific applications connect to your Sniper EFI system via CAN bus and is programmed through the existing Sniper 3.5-inch touchscreen. No programming is available with PC computer software however the transmission functions can be data-logged and reviewed with Sniper PC software. The Standalone version includes a dedicated 3.5-inch touchscreen and is primarily intended for carbureted engine combinations. GM and Ford four speed electronic overdrive transmissions are simple in operation. They have four speeds with the top gear being an overdrive and all have a lockup torque converter that eliminates any slippage when the lockup is applied. With a stock torque converter the lockup should only be applied under light throttle conditions or excessive wear will occur. Upshifts downshifts and torque converter lockup are based on vehicle speed and throttle position or optionally the MAP sensor and are adjustable with the 3.5-inch touchscreen; Adds electronic transmission control functionality to Standalone carbureted typically application; For carbureted applications user must install a TPS sensor. Holley offers the following kits:; – 534-202 For Holley carbs with electric chokes; – 1951 For Street Demon carbs ; – 534-214 For Holley Gen 3 Dominator carbs; Tuning is performed through the 3.5-inch Touchscreen LCD included with the Standalone version. Future compatibility will include 5-inch Display and Bluetooth Module; Tune Upshifts Downshifts and WOT shift points; Full programmability of torque converter lockup; Full tuning of transmission line pressure shift firmness; Controls and Layouts interface mirror Dominator and Terminator X MAX ECUs except no paddle shift; A MAP sensor is needed if using MAP for line pressure which is usually only done with forced induction applications;
- 534-202 For Holley carbs with electric chokes;.
- 1951 For Street Demon carbs ;.
- 534-214 For Holley Gen 3 Dominator carbs; Tuning is performed through the 3.