Obsessive Compulsive Diesel Ltd

Diesel Engine Repair Service in Edmonton
Opening at 8:00 AM on Monday
Header image for the site


We also have 6 other bays for general repair including cab offs as you can see they are everyday occurance here and our technicians will get it aligned and back together better than it was from the factory!

We have one 20k and two 18k hoists for those heavy rigs. No need to unload the skid, welder and/or tools we can get the repair done without the hassle

6.7 psd cylinder heads we oringed and custom ported. We can do all the cylinder head work required including oringing in house. This is another area where we have the knowledge and experience to make sure you’re cylinder head gasket will hold that boost when you send it!

We do custom fabrication including tig welding, consult with machining company for proper Cnc machining and fabrication to ensure flow is not restricted. If you can imagine it we can build it

We offer the full line of wagler products and have the knowledge and experience to tell you straight answers on balancing rotating assemblies and the effects of vibration on the rotating assembly. Unfortunately inside the engine and transmission there is a lot going on and just slapping parts to...

Read More

A 4r100 transmission this is our flagship
And we put them behind heavy powered Cummins in conversions and race stuff. A stout transmission that is super easy to use standalone with the tcs 2800 controller!

We offer Suncoast products and transmissions. These overhaul kits are a staple to our diesel performance builds. We can do the full
Build for you or provide the necessary parts and answer questions so you can get it done yourself !

We can get you exergy clutches, this is a stage II kit for a 6r80 from a 2015 f150 with a 3.5 eco boost. We can build them to take serious power can also do all the engine modifications, installation and custom tuning to make that power get the ground and become reality for you!

We offer ezlynk products and custom tuning by Proven diesel. We also custom tune on any device where it supported ourselves or through one of our experience third part custom tuners. We have done the research into what works and drop all the products that do not!


2 months ago
This place does it all, I’ve had work done on a 42’ long tri drive cummins and an f 450. I highly recommend to everyone. The owner Ryan is very friendly and knowledgeable about what your truck needs and what it doesn’t need. They also do engine machining and have a dyno. It’s my go-to shop for diesel work forsure.
- Cory P
a month ago
Found the problem in a hurry, after I had it at another shop 3 times and no luck. These guys are upfront and honest and don't leave anything to chance.
- Jordan J
a year ago
Best service I have received for anything in well over 10 years. They know their diesel trucks and walk you through every step of the way. Thanks guys. Truck is running great.
- Ryan C

Industry Leading Automotive Repair Shop

Tired of the dealership runaround and massive bills  or waiting months to get simple jobs like engine replacement done. We flipped the dealer model around and have our most experienced staff dealing directly with the customer.  That way the customer gets instant answers and trustworthy recommendations from somebody that actually has both the experience and the knowledge. 

Give us a try we offer industry leading turnaround times.  Have the most sophisticated diagnostic equipment and the technicians that know how to get it right the first time while still maintaining a cost effective repair.  We can cover everything from a simple oil change or front end work to full on performance engineering.  We also do in house machining, engine and transmission rebuilding and have the experience resources and equipment  to upgrade the deficiencies in the OEM engineering. 

Give us a try whether its something small or a full on build.  You will not be disappointed.  Check us out on facebook and Instagram! 

Contact Us


Call now
  • (780) 757-0221


Get directions
15802 111 ave
Edmonton, AB T5M2R8

Business Hours

Mon:8:00 AM – 6:00 PM
Tue:8:00 AM – 6:00 PM
Wed:8:00 AM – 6:00 PM
Thu:8:00 AM – 6:00 PM
Fri:8:00 AM – 6:00 PM
Contact Us
Message sent. We'll get back to you soon.