Any test session at Westech Performance Group is an enlightening experience. Depending on how things go, it can either be a joyous or a humbling situation. Either way, there's always something to ...
383-inch LS built from 5.3L Vortec blocks makes over 540 hp on the Westech Dyno If you know a few pieces of information, you can turn a Vortech 5.3L block into an LS mill making way over 500 hp and ...
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