Need a pick-me-up? 7 Brew coffee is coming to Helena in December, the first of several chain coffee stands planned in the Treasure State.
We took an LS3 block from Summit Racing, added a 3.267-inch stroke crankshaft from a 4.8L, spun it to 8,000, and made 607 hp. The secret to this small-block screamer is the short stroke and good head ...
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