It's worth pointing out that Chevy's Vortec heads have performance DNA, featuring 170-cc intake ports borrowed from the Gen-2 LT4 small-block's aluminum head design. However, the valves were less agg… [+1482 chars]
Chevy's Late-90s Vortec Heads Are A Small Block Secret Weapon - Jalopnik
Chevy's small-block Vortec heads can be an engine builder's secret weapon, thanks to the improved flow and potential for higher compression ratios.
By:Kiran Menon
Source:Jalopnik
Published:
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