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From Mild to Wild, Call or Email Us For All Your Street Car Needs... If you are interested in any of our services or want to schedule dyno time just let us know. give us a call (423) 476-8076 or (423) 334-DYNO E-mail us Sales@SpeedEngineeringanddyno.com
The mailing address is in Cleveland, TN
Our shop is located in Decatur, TN on HWY 58

Directions: I-75 to Athens/Decatur Exit # 49, then HWY 30 West to Decatur (~10 miles), then HWY 58 South one mile on Right. We share a building with Decatur Auto so look for a car lot out front.
OR if you are local and want to travel the back roads
HWY 58 Northbound 17 miles North of Hwy 58 and Hwy 60 junction, and 11 miles North of the Old Blue Bridge over the Hiwassee River, on the Left. HWY 58 Southbound One mile south of Hwy 30 on the right. We are about 29 miles Northwest of Cleveland, 39 miles North of Chattanooga and 49 miles South of Knoxville.


16075 State Hwy 58 South Decatur, TN 37322
Get up to Speed !
Thank you for visiting Speed Engineering and Dyno's Contact Us section. We hope this site will help to show you what we can offer for your late model car or truck. We offer many different services ranging from tune-ups to full performance engine builds. If you want the best service and tuning possible, then give us a call or send an e-mail. We will be more than happy to get you a quote on any part or talk with you about a full package. No matter what, Speed Engineering can meet your needs. Whether it is an aftermarket cold air intake, a Speed Engineering custom built 4" cat-back exhaust, a 400 RWHP bolt-on only X-Package, or a 427+ cubic inch blown monster. You have found the right place! Links \| Fast Cars