Reviews

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Tuned by Jimmy did an amazing job tuning my 2003 Chevy single cab short bed. The sound is incredible now—exactly what I wanted. Jimmy is super knowledgeable and really knows his stuff, making the whole process smooth and easy. Highly recommend him if you want top-notch tuning!

Tyler M.

Brought in my 13 Silverado, had it previously tuned over email. Jimmy went over every little detail of the things he changed, and was super transparent about the whole process. I will be bringing all my tuning needs here! Very reasonable prices too.

Dave S.

Howell, MI

★★★★★

★★★★★

Jimmy came out and did my 2009 Silverado prerunner trophy truck had him dial in one hell of a motor and transmission tune truck is wicked with the new tunes and shift points are right on the money book your appointment now you won’t be disappointed!!!!!

Austin L.

Clare, MI

Hubby took his 69 Firebird to Jimmy after another “tuner” messed it up. Jimmy was awesome! Even did a few extras for him. Car runs better than ever and we have Jimmy to thank for that. Will be going back for the next one for sure! Thanks for the hospitality and education!

★★★★★

★★★★★

Elina L.

Mt. Pleasant, MI

Orleans, MI

★★★★★

★★★★★

Did an amazing job remote tuning my 06 charger, pre eagle hemi with a big comp cam and some other top end modifications. Amazing guy, very knowledgeable, very polite and willing to take time to explain everything he is doing. 100% recommended!!

Jimmy is hands down one of the best people I have had the pleasure to work with! He helped me with a drivability issue 1 week before Power Tour that helped me pull off a 1502 mile total long haul, he even checked in with me during the event. I can’t wait until I have him adjust the entire tune! He really went above and beyond what he had to. I don’t normally recommend people but I will wholeheartedly recommend Jimmy to anyone needing tuning help. He even took the time to tell me how to set up one of my other cars.. he will definitely be tuning both my toys!

Edward P.

Columbia, MO

Trenton, MI

Bobby M.

★★★★★

★★★★★

Someone I found online recommended Jimmy to tune my 2011 Charger RT. recent did the top end, MDS delete, Comp Cams Stage 2 Thumpr cam, heads decked, new valves, springs etc. Being remote I thought would be a challenge from Michigan to Alberta Canada but Jimmy made it simple, walked me through my tuner as it was a bit new to me, helped me with a few minor diagnostic issues that were inhibiting him from tuning. All in all very great experience, tones of expertise very glad to have had him recommend to me all the way up here in Canada. Car runs great, tons of power and sounds amazing with this old Skool cam. Highly recommend TBJ.

Jimmy got my ls1 corvette tuned on the stock p01 pcm after I installed a centrifugal supercharger. Tuned on MAF and SD with a 2 bar MAP sensor. Car performs well under WOT, part throttle, and no throttle. Jimmy was able to come to my house and flash a startup tune for my 60# injectors, and took care of the street tune portion out of his shop in Howell. Fair pricing and professional service

Dennis T.

Alberta, Canada

Jim J.

Fenton, MI

★★★★★

★★★★★

I had an amazing experience with jimmy. His customer service and communication was outstanding. I brought my truck to him as a train wreck. He sorted the mess out and wrote an amazing tune for it. He was highly recommended to me and I will recommend him to others.

Jimmy is very knowledgeable and professional. He took his time to explain what he was doing and how it would affect my truck. I have a 2018 Yukon, those model ranges have wonky tuning from the factory. He tuned the torque converter slip, along with transmission and engine tuning. The truck runs better than new and I could not be happier. I would highly recommend Tuned my Jimmy to anybody.

Justin P.

Shepherd, MI

Jesse N.

Hartland, MI

Jimmy tuned my truck, running sweet! Very informative and respectful of your vehicle and time. All around great guy! Highly reccommended!

Logan K.

Byron, MI

★★★★★

★★★★★

Jimmy was awesome to deal with! Had him tune my 6.0 swapped OBS Suburban and I couldn't be happier with the results! It went from driving like a shipping crate to a hot rod. Tons of passing power on the highway. The trans shifts so much better. He was super easy to work with and the communication was awesome. Thanks again

Josh E.

Oxford, MI

Jimmy is amazing. I have owned this camaro for 15 years and this was the best drive home I have ever had. Anyone whos in need of a tune this is your guy don't even think twice just schedule your appointment!

Kyle L.

Jimmy is a great guy! super friendly easy to work with. I installed a cam on my truck and needed a tune so I went to the best tuned by Jimmy. Jimmy was quick to get the trucked tuned right in, runs and shifts amazing 👏 would highly recommend his services.

Tony D.

Harrison, MI

★★★★★

★★★★★

Really cool guy did a good job on my truck definitely made a happy customer.

Carter B.

Harrison, MI

very good at what he does.. love the out come of my tune..... trucks running grate, better then ever

★★★★★

★★★★★

Thomas B.

Ann Arbor, MI

Blanchard, MI

★★★★★

★★★★★

Completely 100% recommend, super friendly, fast, and truck runs amazing!! Definitely the guy for all future tunes!!!

This experience with Tuned by Jimmy has been awesome, first of all his communication is great! And with his help put together a great running truck. With his computer and performance knowledge he went to work on the tune because it wasn’t shifting right, and had all kinds of things going on with a new converter higher stall and built transmission. Also with an incomplete tune at first , but he was patient and he worked with me and I couldn’t be happier, thanks Jimmy!!

Robert T.

Morrice, MI

Ypsilanti, MI

Ronnie G.

★★★★★

Highly recommend Jimmy for an ls swap tune. Jimmy has my 5.3 running like it should. He definitely has a passion for it, always fast at communicating and I felt he was honest and trustworthy. I'm one happy hillbilly with my 91 k5

Jimmy got the LS swapped Jeep running the way it should be. Terminator x, 5.3, 350 turbo trans. Very knowledgeable and has definitely earned my business

Justin L.

Stockbridge, MI

Ryan B.

Harrison, MI

★★★★★