Uploaded April 2026 | Updated September 2026, 2 weeks ago

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What could possibly be wrong with GM's 6.2 LS/LT V8 engine?
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In this video, we cover the Gen4 (2007-2017) to Gen5 (2014-Present) small block Chevy 6.2 engines. Including the L92, L9H, L94, LS3, LSA, L86, LT1, LT4, L87, LT2, LT5 and show you the difference between them all!

#EWWengines

0:00 "Everything Wrong With" Explained
1:44 The 6.0 Vortec started my engine swap journey
2:33 From Vortec to LS to LT
5:13 How to identify LS & LT engines
14:05 Efficiency vs Power = Problems
15:08 The GEN-V L87 Recall
20:08 2020+ GM Quality Control
21:01 2012 L94 6.2 in the Mercedes
22:16 2007 L92 6.8 Stroker in '55 Pickup
22:53 Cast-iron 6.2 Build
23:50 GM Truck Evolution
24:40 Class Action Lawsuit

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From American Muscle to Classics to Diesels, DG will show you how to build, swap, and repair anything with a throttle.


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DISCLAIMER: This video is provided "AS-IS" with NO WARRANTIES, express or implied, including merchantability or fitness for a particular purpose. Deboss Garage (DG) makes no guarantees about the accuracy or completeness of the content.

LIABILITY WAIVER: DG is not liable for any incidental or consequential damages from using or misusing this video’s content. Always follow safe practices when using tools, equipment, or chemicals.

USE AT YOUR OWN RISK: This video is for informational purposes only. You assume all risks associated with repairs or modifications. Your safety is your responsibility, not DG's.