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 ...
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 ...
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