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 ...
SLP Engineering slid off our radar screen about four years ago when the General lowered the boom on the Camaro and Firebird. Now SLP is back with a pair of new performance packages for GM's 400-hp, ...
With the refined nature of today's high-performance GMs, it's easy to forget the endless man-hours needed to make them that way. But that distant memory comes charging back when we bolt up a part that ...
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