If you've been reading GMHTP lately, you know that the new L92 heads are superior to stock LS1 and LS2 heads. But what happens when you put them to task against one of the best 15-degree heads on the ...
Our plan was to test the merits of SLP's PerformancePac line on an LS1 T/A. To recap what was accomplished thus far, we successfully strip-tested SLP's 350HP PerformancePac on a bone-stock '99 T/A ...
The highly modified tunnel-ram-style intake maintains stock hood clearance and all necessary hookups. As we move into the new decade, the doomsday congregation is once again predicting the demise of ...
It's bad, it's black, and most importantly, it's back. Fans of GM muscle have waited a long while for its return, and the new 2004 model of the legendary GTO does not disappoint. While this year's ...
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