One and Done: GM Discontinuing Its 755-HP LT5 Engine


One and Done: GM Discontinuing Its 755-HP LT5 Engine

Well, we could hardly believe the news a few months ago when it was announced that Chevrolet’s supercharged LT5 would be discontinued after one year of production, but it appears to be true. The LT5 is officially discontinued. This was GM’s most powerful engine, and in the midst of a horsepower war between the Big Three, it just seemed odd to kill off such a capable 755-horsepower/715-lb-ft performer.

We guess one-and-done is a good phrase for the LT5, as it was only stuffed into the insane, record-breaking 2019 ZR1 Corvette. The ’19 ZR1 fielded the LT5, and Chevrolet wanted that car so bad that it built it even though the taller LT5 blower (compared to the LT4) meant it couldn’t be sold in Europe. We imagine it was pretty expensive to develop the LT5, and it was installed in fewer than 3,000 vehicles.

But while the 2019 ZR1 Corvette was cool, we’re here to talk about the demise of Chevrolet’s most potent crate engine. With production stopped, most of the existing LT5s are gone from dealership inventories. You can still find them around, so if you have about $19,000 laying around and you want one for your hot rod swap project, then you had better get busy, as we’re pretty sure the price is only going to go up as the remaining supply dwindles. For the full story, check out this article from Motor Trend.

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