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'90 Chevy 5.7L

To Whom It May Concern at AquaTune,
Just thought I'd drop you an email about the AquaTune system I installed on my '90 Chevy utility truck. This vehicle has a 5.7L 350 engine in it. At this point, this truck has over 423,000 mile on it. I installed a factory-crate motor on it at 276,500 miles. This gas-sucking monster was averaging only 15 mpg prior to installing the AquaTune system. Now, after driving over 30,000 miles with your system, I am averaging over 24.5 mpg. In my in-town driving it is 19.5 mpg. The truck has definitely more pulling power as I am going on uphill grades and doesn't downshift like it used to. I consider this an incredible increase with your system. Because of my recommendation, friends have ordered from you also.
R.B.
Texas