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Truckin’ Magazine Upgrades a Chevy 5.3L LM7 Motor with a set of Trick Flow GenX 205 Heads
The current LS-series small-block certainly had big shoes to fill, after all, the small-block Chevy had been around for some time and garnered more than its fair share of awards and racing success. Compared to the General's original small-block, the modern LS engine offers the veritable trifecta of performance.
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