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The LS3 V8 became one of the most popular engines people swap into cars

The LS3 V8 did not just become a popular crate motor. It quietly turned into the default answer for enthusiasts who want big ...

Can’t afford a $20K Polaris? Swap a Harbor Freight engine into a Chinese UTV

As this DIY hero shows, you can even make it work with the factory 4x4.