Mustang 3.7 V6 SCT X4 Tune Review & Pulls

Published on May 30, 2020
Duration: 22:06

This review details the experience of installing and using an SCT X4 tuner on a Mustang 3.7 V6. The user reports significant improvements in low-end power and throttle response, particularly noticeable in lower gears and at cruising speeds. However, the review also highlights drawbacks such as altered shift points, increased slippage during gear changes, and a reluctance to downshift in certain scenarios. The user plans to further adjust settings and test other tunes.

Quick Summary

The SCT X4 tune for the Mustang 3.7 V6 offers substantial improvements in low-end power and throttle response. While it alters shift points to lower RPMs and can increase transmission slippage, these adjustments aim to maximize performance. Users can further tune shift pressure and points for a more personalized driving experience.

Chapters

  1. 00:00Initial SCT Tune Setup
  2. 00:38Low-End Power & Throttle Response Improvements
  3. 01:17Bottom End and Mid-Range Gains
  4. 02:28Shift Point Changes and Concerns
  5. 02:45Adjusting Shift Points and Pressure
  6. 03:07Transmission Slippage and Aggressive Engagement
  7. 03:45Tuning for Faster Shifts
  8. 04:35Short Shifting and Low-End Power Utilization
  9. 05:43Governor Test and Speed Limit
  10. 06:56Shift Point Consistency and Sport Mode
  11. 07:48Downshifting Issues and Holding Gears
  12. 08:40Current Tune Settings Overview
  13. 09:49Modifying Shift Points and Pressure
  14. 12:08Future Tuning Plans (MPT Tunes)

Frequently Asked Questions

What are the main benefits of the SCT X4 tune on a Mustang 3.7 V6?

The SCT X4 tune significantly improves low-end power and throttle response, making the Mustang 3.7 V6 feel much more responsive. It also provides noticeable gains in bottom-end and mid-range torque, enhancing overall drivability.

How does the SCT X4 tune affect the transmission shifting on a Mustang 3.7 V6?

The tune alters shift points, causing the transmission to shift at lower RPMs than stock, likely to optimize performance. It can also lead to increased slippage during shifts, though the engagement into the next gear is more forceful.

What are the drawbacks of the SCT X4 tune for the Mustang 3.7 V6?

Drawbacks include the transmission shifting at lower RPMs than desired, increased slippage during gear changes, and a tendency for the transmission to hold gears instead of downshifting when expected, which can be frustrating.

Can the shift points and pressure be adjusted with the SCT X4 tuner?

Yes, the SCT X4 tuner allows for adjustments to shift points and transmission shift pressure. Users can modify when shifts occur and how aggressively they engage, aiming to improve the driving experience.

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