WhereAre ZZ632 Crate Engines Built? The Performance and Racing Center isn't a place that's easy to get into. Why? Well, because this is where GM builds many of its all-out race engines like this LT6.R ...
Not that long ago—in Car Craft's Jan. 2015 issue, in fact—we documented the build of a pretty potent 351W build that ended up making 505 hp with the stock crankshaft and connecting rods, a set of KB ...
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