The LM7/L33 5.3-liter V8 is the most affordable LS swap engine, with junkyard pulls from $300 and durability exceeding ...
The LM7 is one of those fly-under-the-radar performance engines. We've seen tuners get four-figure horsepower ratings out of this motor, but to most drivers this is the 295-hp motor found in Chevy ...
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