JimTune Custom Tuning and Auto Service
DIAGNOSTICS / TUNING / REPAIR
JIMTUNE
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        • External link opens in new tab or window512-222-8863
        • External link opens in new tab or window1651 S US Hwy 281 Hamilton, TX 76531

        JIMTUNE is conveniently located just over an hour from Waco and Temple, and 1.5 hours from the Austin area. Hamilton Municipal Airport is located right across the highway, and free shuttle service to and from the airport is provided.  External link opens in new tab or windowKMNZ has a 5000 foot runway, large enough to handle any small to medium aircraft.


        JIMTUNE is open on Saturdays by appointment only.

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        30 PLUS YEARS OF EXPERIENCE

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         QUALITY WORKMANSHIP

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        DIAGNOSTICS, PROGRAMMING AND REPAIR

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        CUSTOM TAILORED SOLUTIONS


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        We are an independently owned shop.


        Being a small shop has allowed us to interact closely with each and every one of our customers, allowing us to provide you with the best personalized experience every time you step into our shop. We will listen to your needs and will do our best in helping you make the perfect choice, whether it be Maintenance, Repair, Custom EFI Design and Programming, Custom Engine Design and build, and Complete Electrical Systems design and implementation.


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        Real Technicians, Not Parts Changers.


        A great many clients come to JimTune, looking for Diagnostics, Programming and Repair Solutions they could not find anywhere else, including the factory dealership.


        At JimTune, we pride ourselves on the timely, accurate diagnosis of every problem that comes in to us. Using the latest, fastest, most accurate equipment and information, combined with over 30 years experience, you can rest assured that whatever service we provide you will be done right the first time.



        Jim, I just wanted to update you on my car since the tune. As for fuel mileage props to ya on that one Im doing better than I was stock. I drove the car from Stillwater to Coffeyville then to work everyday for a week with some added stuff inthe evening when I took some of the interns for a ride. So I would say spirited driving with 3 or 4 runs to 100 and a big burnout. For that tank I got 18.3mpg. Then I checked it once driving from Coffeyville to Stillwater not driving easy by any means and running mostly 75 and 80 and got 23 mpg. Then had a week of mixed highway and in town without much full throttle but still driving the car pretty decent and got 21.8. So great mileage and thanks again. Drew W. 1996 Camaro LT1 M6 JIMTUNE Cam, Ported STK Heads, JIMTUNE Programming
        Jim, I just wanted to update you on my car since the tune. As for fuel mileage props to ya on that one Im doing better than I was stock. I drove the car from Stillwater to Coffeyville then to work everyday for a week with some added stuff inthe evening when I took some of the interns for a ride. So I would say spirited driving with 3 or 4 runs to 100 and a big burnout. For that tank I got 18.3mpg. Then I checked it once driving from Coffeyville to Stillwater not driving easy by any means and running mostly 75 and 80 and got 23 mpg. Then had a week of mixed highway and in town without much full throttle but still driving the car pretty decent and got 21.8. So great mileage and thanks again. Drew W. 1996 Camaro LT1 M6 JIMTUNE Cam, Ported STK Heads, JIMTUNE Programming
        https://0201.nccdn.net/4_2/000/000/064/d40/drysumppump.jpg
        Hey Jim, I just wanted to say Thank You for all the work you've done on the Mustang! It's an amazing change from the canned tune that was on there when I bought it. You're suggestions on basic improvements to the ProCharger setup and upfront explanation of costs made this a great experience. The car runs amazing, and I sincerely appreciate your standing behind your work and re-tweaking the tune. The car is great on a daily commute, and a beast when I get on it. Much more linear and smooth through the pulls. It's been 10 years since I had a "Mechanic", someone I could call if I had questions and who is also able and willing to tackle anything I throw at them. It's not easy to find a shop or person like that anymore, but you are the man! Can't wait to get this thing on a Dyno and see what numbers it's putting down this summer. Given my addiction for reliable power, I'm sure we will have plenty of projects in the future. Thanks, -Chip '05 Mustang GT ProCharger P1SC @ 14 PSI pulley GT500 Fuel Pumps SCT by Jimtune -460rwhp with all stock exhaust, 100* ambient- -DAILY FLOGGED-
        Hey Jim, I just wanted to say Thank You for all the work you've done on the Mustang! It's an amazing change from the canned tune that was on there when I bought it. You're suggestions on basic improvements to the ProCharger setup and upfront explanation of costs made this a great experience. The car runs amazing, and I sincerely appreciate your standing behind your work and re-tweaking the tune. The car is great on a daily commute, and a beast when I get on it. Much more linear and smooth through the pulls. It's been 10 years since I had a "Mechanic", someone I could call if I had questions and who is also able and willing to tackle anything I throw at them. It's not easy to find a shop or person like that anymore, but you are the man! Can't wait to get this thing on a Dyno and see what numbers it's putting down this summer. Given my addiction for reliable power, I'm sure we will have plenty of projects in the future. Thanks, -Chip '05 Mustang GT ProCharger P1SC @ 14 PSI pulley GT500 Fuel Pumps SCT by Jimtune -460rwhp with all stock exhaust, 100* ambient- -DAILY FLOGGED-
        https://0201.nccdn.net/1_2/000/000/199/8d5/ford9.jpg
        https://0201.nccdn.net/1_2/000/000/10e/14d/yelc5rr.jpg
        https://0201.nccdn.net/1_2/000/000/0ac/396/drysumppan.jpg
        https://0201.nccdn.net/4_2/000/000/008/486/corvettesupercharger1.jpg

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        Jim, I just wanted to update you on my car since the tune. As for fuel mileage props to ya on that one Im doing better than I was stock. I drove the car from Stillwater to Coffeyville then to work everyday for a week with some added stuff inthe evening when I took some of the interns for a ride. So I would say spirited driving with 3 or 4 runs to 100 and a big burnout. For that tank I got 18.3mpg. Then I checked it once driving from Coffeyville to Stillwater not driving easy by any means and running mostly 75 and 80 and got 23 mpg. Then had a week of mixed highway and in town without much full throttle but still driving the car pretty decent and got 21.8. So great mileage and thanks again. Drew W. 1996 Camaro LT1 M6 JIMTUNE Cam, Ported STK Heads, JIMTUNE Programming
        Jim, I just wanted to update you on my car since the tune. As for fuel mileage props to ya on that one Im doing better than I was stock. I drove the car from Stillwater to Coffeyville then to work everyday for a week with some added stuff inthe evening when I took some of the interns for a ride. So I would say spirited driving with 3 or 4 runs to 100 and a big burnout. For that tank I got 18.3mpg. Then I checked it once driving from Coffeyville to Stillwater not driving easy by any means and running mostly 75 and 80 and got 23 mpg. Then had a week of mixed highway and in town without much full throttle but still driving the car pretty decent and got 21.8. So great mileage and thanks again. Drew W. 1996 Camaro LT1 M6 JIMTUNE Cam, Ported STK Heads, JIMTUNE Programming
        https://0201.nccdn.net/4_2/000/000/064/d40/drysumppump.jpg
        Hey Jim, I just wanted to say Thank You for all the work you've done on the Mustang! It's an amazing change from the canned tune that was on there when I bought it. You're suggestions on basic improvements to the ProCharger setup and upfront explanation of costs made this a great experience. The car runs amazing, and I sincerely appreciate your standing behind your work and re-tweaking the tune. The car is great on a daily commute, and a beast when I get on it. Much more linear and smooth through the pulls. It's been 10 years since I had a "Mechanic", someone I could call if I had questions and who is also able and willing to tackle anything I throw at them. It's not easy to find a shop or person like that anymore, but you are the man! Can't wait to get this thing on a Dyno and see what numbers it's putting down this summer. Given my addiction for reliable power, I'm sure we will have plenty of projects in the future. Thanks, -Chip '05 Mustang GT ProCharger P1SC @ 14 PSI pulley GT500 Fuel Pumps SCT by Jimtune -460rwhp with all stock exhaust, 100* ambient- -DAILY FLOGGED-
        Hey Jim, I just wanted to say Thank You for all the work you've done on the Mustang! It's an amazing change from the canned tune that was on there when I bought it. You're suggestions on basic improvements to the ProCharger setup and upfront explanation of costs made this a great experience. The car runs amazing, and I sincerely appreciate your standing behind your work and re-tweaking the tune. The car is great on a daily commute, and a beast when I get on it. Much more linear and smooth through the pulls. It's been 10 years since I had a "Mechanic", someone I could call if I had questions and who is also able and willing to tackle anything I throw at them. It's not easy to find a shop or person like that anymore, but you are the man! Can't wait to get this thing on a Dyno and see what numbers it's putting down this summer. Given my addiction for reliable power, I'm sure we will have plenty of projects in the future. Thanks, -Chip '05 Mustang GT ProCharger P1SC @ 14 PSI pulley GT500 Fuel Pumps SCT by Jimtune -460rwhp with all stock exhaust, 100* ambient- -DAILY FLOGGED-
        https://0201.nccdn.net/1_2/000/000/199/8d5/ford9.jpg
        https://0201.nccdn.net/1_2/000/000/10e/14d/yelc5rr.jpg
        https://0201.nccdn.net/1_2/000/000/0ac/396/drysumppan.jpg
        https://0201.nccdn.net/4_2/000/000/008/486/corvettesupercharger1.jpg



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        1651 S US Hwy 281

        Hamilton, TX

        76531

        512-222-TUNE

        254-784-8863

        Monday through Friday from 8:00 AM to 5:00PM


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