JT's Diesel Performance
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Our business specializes in Diesel Repair Services and Diesel Performance, Give us a call today!
See everyone tomorrow at Dyno day starting at 10:30am!!!!! Powerstroke & Duramax boys , there’s some extra money on the line per the boss man if you win ‼️‼️‼️‼️‼️
Some more dyno day information for everyone! If you want to enter the competition shoot us a message‼️🦅🤞🤸
06/16/2026
EVENT DETAILS‼️‼️‼️
Below is a map for dyno day on Saturday! If you want to bring your trucks, cars, bikes we will have a parking area for show and shine rigs, guest parking is mapped out as well as trailer parking for anyone apart of the dyno competition!
Reminder if you want to get in on the competition it’s $150 to sign up! ⚡️⚡️⚡️⚡️
See everyone Saturday!
Great upgrade for the 6.7 powerstrokes from Pacific Performance Engineering ! Call us to get on the schedule!
These 4th gen cummins are always in need of a turbo upgrade , we would suggest going with the Fleece Performance Engineering cheetah drop in turbo unit! 🦅🇺🇸
2 WEEKS OUT FROM DYNO DAY!!! JUNE 20th!!
Thanks to our friends and for getting this prize money up there for us! Who’s going to take home the win?!?
If you want to get your truck on the dyno , message us now spots are limited!
A great upgrade to your Duramax is the oil filter for better filtration!
05/27/2026
Testing and tuning for which is now a week away🎉 the shop will be closed Thursday and Friday next week while Jon and Tim head to Indiana 🏁
Pic credit : I’m not sure 🥹 someone sent it to us so tag the creditor ! 🙏
05/24/2026
See everyone on Tuesday! Happy Memorial Day!🇺🇸
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Contact the business
Address
28 Hastings Street Building C Unit E
Mendon, MA
01756
Opening Hours
| Monday | 6am - 5pm |
| Tuesday | 6am - 5pm |
| Wednesday | 6am - 5pm |
| Thursday | 6am - 5pm |
| Friday | 6am - 5pm |