Earlier this year we bolted a cam and headers on a 5.3L Gen III called Little Bro and made 458 hp at a screaming 6,600 rpm. That engine revealed the potential of a lesser-known family of iron-block GM ...
The Vortec 6000 doesn't really get the attention it actually deserves. The only engine of the Gen 3 small-block family to feature a cast-iron block is particularly good for high-output applications, ...
This is not the story that we planned. General Motors' 4.8/5.3-liter LS-based blocks are relatively plentiful in the junkyards, but the larger displacement 6.0-liter LQ4 and LQ9 engines are tougher to ...
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