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75,000 Mile 1998 Cobra Dyno Run!

Created by Jay Walling
Date Created: 7/28/2022
Last Updated: 7/28/2022

Our team member Kellie J. has her 1998 SVT Cobra Mustang in the shop to check out what kind of power it is making.

Viewing this install and using the information shared is subject to the terms set forth here - View the LMR Install Instructions Disclaimer.

FOLLOW: dyno , 94 04 mustang , tech , cobra , svt , mustang

For this dyno article, we will cover our employee Kellie J's 1998 SVT Cobra. This highly modified machine is a work of art inside and out. Check out below for more pics, dyno technical data, and the dyno results!


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  • 75,000 Mile 1998 Cobra Dyno Run!  - 75,000 Mile 1998 Cobra Dyno Run!
  • 75,000 Mile 1998 Cobra Dyno Run!  - 75,000 Mile 1998 Cobra Dyno Run!
  • 75,000 Mile 1998 Cobra Dyno Run!  - 75,000 Mile 1998 Cobra Dyno Run!
  • 75,000 Mile 1998 Cobra Dyno Run!  - 75,000 Mile 1998 Cobra Dyno Run!

Dyno Technical Data

  • 18-inch Wheels With a 285/35/18 Tire
  • T45 5-Speed Transmission So Dyno Pull Will Be Made In 4th Gear (1:1 ratio)
  • 4.10 Rear-End Gear
  • Steel OEM Driveshaft
  • BBK Longtube Headers
  • Pypes Catback
  • 93 Octane Fuel
  • OEM Ford 4.6L 4V Longblock

Dyno Results

75,000 Mile 1998 Cobra Dyno Run!  - 75,000 Mile 1998 Cobra Dyno Run!

Here are the results! With a factory rating of 305 horsepower and 310 lb/ft of torque, Kellie is not far off from these numbers. This Cobra turned the rollers at 278 horsepower at 5700 RPM, and it made 277 lb/ft of torque at 4300 RPM. With normal drivetrain loss and 75,000 miles on the odometer, we can safely say this car is making the power it should! As always, keep a lookout for more dyno articles and videos right here at LMR.com.



About the Video

Kelly's 75,000 Mile 1998 Cobra | Dyno Run

Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. The best place to go for anything Mustang related!

Published on 2020-10-28
Follow along and watch as we dyno Kelly's 1989 Fox Body Mustang! And don't forget to check out her 1998 Cobra that we strapped down on the dyno as well! Check out the video below!

Kelly's 1998 Cobra: https://youtu.be/-vJLzoQ-Ryo

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Use of this video is subject to the terms as set forth in our LMR Install Video Disclaimer | https://lmr.com/page/lmr-install-video-disclaimer