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We have always cared about Fuel Economy regardless of the amount of power a vehicle makes.  Now we will offer specific MPG combinations for Trucks and Cars alike.  Whether you want a 28 mpg Silverado, a 31 mpg Vette, 30 mpg Duramax Diesel truck or a 60 mpg Civic, we can get you where you want to be.


Gasoline MPG
28 MPG
'04 Silverado 4.8 SCSB, Dyno tuning, SE mpg heads, SE mpg cam, SE mpg exhaust

2004 Chevrolet 4.8 liter v8 Heads and cam - custom tune - exhaust - 28 Miles Per Gallon with our SE MPG package


31 MPG
'92 Corvette ZF6 speed, Dyno tuning, SE mpg heads, SE mpg cam , SE mpg exhaust

31 Miles per gallon with the 3.45 gear




Diesel MPG

  29 mpg  
  '02 Duramax, Allison transmission, multi-stage dyno tuning, exhaust, cold air intake
  29 miles per gallon with SE custom tune and MPG package

"With Jeff's tuning my truck went from getting 14 mpg to 27 mpg...    in addition to all the extra power !"
"the extra power alone was well worth the tuning cost, not to mention the fuel savings."

Now we are going for 30 mpg

UPDATE...   Customer was on a road trip to Texas and got tested by the DOT multiple times for
exhaust pollution and passed each time with flying colors... much to the dismay of the revenue hungry
Officers...  and it did all of this in spite of the fact that it doesn't have a catalytic converter !





Thank you for visiting Speed Engineering and Dyno's MPG 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!

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