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We Tore Down GM’s Biggest Gas V8… Here’s What We Found

Never use silicone to fix your oil lines! This mistake might have just cost the owner an entire engine. See the full teardown of this classic SUV and find out if it's salvageable.
We see some questionable DIY repairs in the shop, but this one really takes the cake. After an oil line popped off on the freeway, we discovered someone had previously 'goobered' the fittings with silicone. Join us as we evaluate the engine's health, perform a professional repair, and test the motor's limits. Is this Suburban worth saving, or is it a total loss?

We found a massive secret inside this broken work truck!
Most people think they are getting a deal with a low-mileage auction truck, but this one proves why that is not always the case. After the engine died on a climb, we discovered a history of poor maintenance and dangerous electrical modifications. Watch as we inspect the internals to see if this rig is salvageable or if it is time for a brand new start.

We Built This Engine… Now It's POURING Oil!

We're pushing the limits! Join us as we put the finishing touches on this custom V12 engine build. From wiring quirks to engine dyno prep, we’re keeping it real with the process. Check out how we handle the details to ensure this engine is ready to roar.

Why your mechanic’s 'best guess' is costing you thousands.
Most shops just throw parts at a problem until something sticks. When this Ford Fusion came into our shop after an expensive engine replacement, we knew the previous diagnosis was flawed. We break down the real science behind finding a catastrophic internal engine failure before it leaves you stranded.

The $25,000 mystery: Why this Audi still wouldn't run right after an engine swap.
We don't just replace parts; we find the root cause. This Audi had been to multiple shops and had an entire engine replaced, only to struggle with the same misfire. Join us as we perform a deep-dive diagnostic and reveal the surprising internal fault that shocked everyone.

Is a $30,000 engine repair worth it? We’re opening up this Maserati to find out.
Most shops just replace the engine, but we want to know what actually went wrong. We’re performing a complete forensic teardown of a Maserati V8. What we discovered behind the timing cover and inside the oil pan raises more questions than it answers. Is this a simple case of neglect, or something much more sinister?

Catastrophic failure alert! We’re tearing down a rare 3.0L Power Stroke to see if it can be saved.
When an engine won't turn, there's usually a story behind it. We take this rare diesel block down to the core to find the root of its failure. From identifying shrapnel to explaining the sleeve repair process, this is a masterclass in diesel diagnostics. Plus, check out our new shop tech!