The heads are ready for the 4.8 flat top pistoned 5.3 that is going into the 87 Chevy Truck. These 862 cast heads have been fully home ported and used 2 LS1 .\r
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via YouTube Capture.\r
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Audio is muted for most of the vid due to copy rights. Watch out for the air grinder! This is a video of my progress and results of porting a set of LS1 853 heads.\r
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LMAO YOLO P.S This is not me.\r
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LS1 COMPLETE CNC PORTED HEADS, THESE HEADS FLOW 594HP. THEY ALSO HAVE A GREAT EXHAUST TO INTAKE PERCENTAGE OF 88%, WHICH .
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via YouTube Capture.\r
\r
Audio is muted for most of the vid due to copy rights. Watch out for the air grinder! This is a video of my progress and results of porting a set of LS1 853 heads.\r
\r
LMAO YOLO P.S This is not me.\r
\r
LS1 COMPLETE CNC PORTED HEADS, THESE HEADS FLOW 594HP. THEY ALSO HAVE A GREAT EXHAUST TO INTAKE PERCENTAGE OF 88%, WHICH .
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