TJ’s Diesel Performance

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TJ’s Diesel Performance For all your Diesel parts and service needs give us a call or shoot a text at 515-418-8126 and we’ll get you taken care of!

Some L5p projects we’ve been working on! Along with doing some ecm changes for Brad Tolley on his 2020 L5p. Let me know ...
06/30/2026

Some L5p projects we’ve been working on! Along with doing some ecm changes for Brad Tolley on his 2020 L5p.

Let me know if you need your Duramax worked on! We love our L5P’s!

More projects from over a busy summer! Let me know if there is something you need done on your Duramax!
12/03/2025

More projects from over a busy summer! Let me know if there is something you need done on your Duramax!

Some pictures of putting the racetruck together! Lots a of help from lots of hands!
06/18/2025

Some pictures of putting the racetruck together! Lots a of help from lots of hands!

A couple projects from last fall until now! Busy busy!
06/18/2025

A couple projects from last fall until now! Busy busy!

Dove into something I haven’t really dealt with before, this Allison transmission out of one of my personal trucks. Truc...
10/23/2024

Dove into something I haven’t really dealt with before, this Allison transmission out of one of my personal trucks. Truck was stuck in 3rd gear no matter what, pulled the trans out and apart to find the P2 planetary was cracked along with some other damage it caused. After asking Daman Perry a million stupid questions I got all the info and help I needed to get parts ordered and put this thing back together. Lots more practice to be done before I can be confident enough to offer this to customers but everyone starts somewhere. Also huge thanks to Nick Obee at Dirty Ho**er Diesel / DHD for getting me all the parts I needed in a hurry! You guys are all awesome!

Lots of projects going on! Let us know if there is anything your Duramax or Cummins needs!
10/23/2024

Lots of projects going on! Let us know if there is anything your Duramax or Cummins needs!

Got this Tater Built Turbochargers 63/67 paired up with a Steed Speed T3 manifold put on last night!
10/23/2024

Got this Tater Built Turbochargers 63/67 paired up with a Steed Speed T3 manifold put on last night!

LML was in for a cracked piston, Jaden decided he wanted to go back together with a little more piece of mind. He found ...
08/05/2024

LML was in for a cracked piston, Jaden decided he wanted to go back together with a little more piece of mind. He found a motor he liked and went to get it, we did the rest! Thanks again for trusting us with this project Jaden! Also huge thanks to Nick Obee at Dirty Ho**er Diesel / DHD for getting us the right parts needed to keep this thing reliable!

Some projects that have going on around the shop this summer!
08/05/2024

Some projects that have going on around the shop this summer!

Address

Winterset, IA
50273

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

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