Outcast Diezel Performance

Outcast Diezel Performance We provide both Auto and Diesel performance and repair. "Join the Outcast Family and set yourself apart from the normal".
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Our Shop offers the full line of KC Turbos, Holders injectors, Airdog fuel systems, Suncoast transmissions and many more.

2014 Ram out after a foreign object was lodged in the fan. New fan blade, fan shroud, and radiator for the repair. Belt,...
04/21/2026

2014 Ram out after a foreign object was lodged in the fan. New fan blade, fan shroud, and radiator for the repair. Belt, tensioner, water pump, oil change, and fuel filters as preventative maintenance. So there’s no worries this unit returning back to landscaping.

Another TDOT truck back to work after coming in for some diagnostics and full inspection. Finding emissions concerns, le...
10/22/2025

Another TDOT truck back to work after coming in for some diagnostics and full inspection. Finding emissions concerns, leaks from engine oil pan, and hydro boost. Mopar booster, oil pan gasket, and DPF service and it’s back on the road hauling loads to job sites. We’re East Tennessee’s go to for all things fleet and diesel. Get with us today to get on our schedule
Outcast Diezel Performance
5525 S National Dr Knoxville Tn 37914
865-249-6324 423-237-5854

5.0 F150 came in with multiple timing issues and intermittent misfires. After some diagnostics the phasers were found to...
10/18/2025

5.0 F150 came in with multiple timing issues and intermittent misfires. After some diagnostics the phasers were found to be the issue and moved forward replacing all 4 timing chains, guides, phasers, tensioners. Remember we also do these kinds of gas repairs not just diesels.
Give us a call to get on our schedule today
Outcast Diezel Performance
5525 S National Dr Knoxville Tn 37914
423-237-5854 865-249-6324

Another 6.4 truck out the door after some emission issues were tackled, fuel gauge repaired, oil leak repaired, and some...
09/24/2025

Another 6.4 truck out the door after some emission issues were tackled, fuel gauge repaired, oil leak repaired, and some reliability upgrades.
Let us know if we can get you on the schedule today for all your repairs, routine maintenance, and upgrades today.
Outcast Diezel Performance
423-237-5854 865-249-6324
5525 S National Dr
Knoxville Tn 37914

Another 6.7 truck out the door after some emission issues were tackled and some reliability upgrades. Let us know if we ...
07/08/2025

Another 6.7 truck out the door after some emission issues were tackled and some reliability upgrades.
Let us know if we can get you on the schedule today for all your repairs, routine maintenance, and upgrades today.
Outcast Diezel Performance
423-237-5854 865-249-6324
5525 S National Dr
Knoxville Tn 37914

2017 6r140 back to the construction 🚧 site after it came in with a harsh 3-2 down shift. After fully inspecting it with ...
06/09/2025

2017 6r140 back to the construction 🚧 site after it came in with a harsh 3-2 down shift. After fully inspecting it with our Dealer level IDS. The trans pan was removed and the main control removed torn apart and inspected finding a sticking valve from bore damage. Resulting in a ford reman main control assembly installed and programmed, resetting adaptive learning, fresh fluid gasket and filter. To get it back shifting smooth as butter 🧈 for less then initially expected. Give us a call today to get on our schedule or shoot us a message
Outcast Diezel Performance
423-237-5854 865-249-6324
5525 S National Dr
Knoxville Tn 37914

In remembrance of those who have given their lives for our nation, we extend our sincerest gratitude. From our family at...
05/26/2025

In remembrance of those who have given their lives for our nation, we extend our sincerest gratitude. From our family at Outcast, we wish you a Happy Memorial Day! If you’re looking to purchase, Camping World offers excellent deals and superior customer service.

Iykyk
05/09/2025

Iykyk

The shop mascot came with me today to look at some land to put a bid on for a future bigger home for the shop and to be ...
04/10/2025

The shop mascot came with me today to look at some land to put a bid on for a future bigger home for the shop and to be able to have shows, open houses, and for dyno days to put that Dynocom Industries 15k to use

Another ram out the door after fixing a dealers software mistake during a recall. He I’ve us a call today for all your r...
02/13/2025

Another ram out the door after fixing a dealers software mistake during a recall. He I’ve us a call today for all your repair, maintenance, fleet and performance needs.
423-237-5854 865-249-6324
5525 S National Dr Knoxville Tn 37914

Creed Sammons getting the 6.0 works. RCD Performance, LLC stage 2 billet cam, valve springs, chromoly push rods, Holder'...
02/13/2025

Creed Sammons getting the 6.0 works. RCD Performance, LLC stage 2 billet cam, valve springs, chromoly push rods, Holder's Diesel Performance premium 225/75’s, CNC Fabrication, LLC HPOP, socal billet T4 S369, wrapped up with ID Speed Shop tuning. Thing RIPS! Get with us today on your performance, maintenance, fleet, and repair needs.
423-237-5854 865-249-6324
5525 S National Dr Knoxville Tn 37914

Address

5525 S National Drive
Knoxville, TN
37914

Opening Hours

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

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