Smith's Diesel Performance

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Smith's Diesel Performance Helping Diesel Owners Build Better Trucks
Powerstroke • Cummins • Duramax
Customer Builds | Power & Performance | Proven At Events
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10/29/2026

Here’s the story of how this 7.3 Powerstroke came to our shop in pieces after a failed diy!!
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10/28/2026

Help us decide what turbo set up to do on our nasty 5th gen build!!
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10/26/2026

Ever wondered what would happen if a 1,000hp daily driver entered into one of the BIGGEST and BADDEST truck challenges out there?? Well, we decided to find out!! After an 8 hour drive to the event, we put our 3rd Gen to the Hub City Dirt Drags truck challenge test!! Full video is out on YouTube now!! Link in description and comments below…
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10/23/2026

Transmissions have been rolling in the door, especially now that we’re offering our own in house built transmissions!
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10/22/2026

Not sure about you guys, but this is probably the WORST CP4 failure we’ve seen come through the shop yet, and a big reason why we always preach maintenance…
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10/21/2026

A lot of folks ask us about these flat tappet conversion kits from Hamilton Cams, so here’s some more information on how they work and why you need them on your 5th gen Cummins!
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10/20/2026

I challenged my techs to make SURE this 7.3 van FINALLY blows up!!!

With a budget of $1,000 and a stack of O’Reillys gift cards, it’s going out with STYLE at the Southern Ohio Smoke Show November 7th!! Make sure to give us your ideas and come out to Georgetown Ohio to see this vans GRAND finale in the pit!! You won’t want to miss it…
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10/19/2026

This customer is doing what most people don’t!! His goal is to have a reliable 1,000hp 5th gen, and instead of starting with the big power he’s starting with all the supporting mods first!! Here’s what we’re doing to help him build this rowdy truck…
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10/14/2026

Surprise, surprise, the 6.4 Powerstroke we named Lazarus has died once again!! Find out what finished it off at FP 6.0 in our latest YouTube video!! Link in bio and comments below 🔥
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10/14/2026

🕊️ In loving memory of the 3g’s rear driveshaft. 🕊️ It made it through many a boosted launch and two sled pulls. Gone, but never forgotten. May it rest in many pieces. ✊😔
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Hub City Dirt Drags
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Address

4 E McKinley Street
South Lebanon, OH
45065

Opening Hours

Monday 8am - 6pm
Tuesday 8am - 5pm
Wednesday 8am - 6pm
Thursday 8:30am - 5pm
Friday 8am - 6pm

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