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Generation III Internal Engine
1997-2006 LS1 | LS6
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Old 10-03-2012, 01:24 AM   #1
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Default Best CNC port program for the 862 heads?

Found some 862 heads for dirt cheap locally and was looking to get pointed in the right direction. I know TEA has a good package, so does AI, not sure if PRC offers it if i send in a core. Anyone on here can share some info?
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Old 10-03-2012, 09:34 AM   #2
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Advanced Induction or TEA hands down.
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Old 10-03-2012, 10:45 AM   #3
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I would do AI or TEA.
WCCH is another option too.
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Old 10-03-2012, 02:18 PM   #4
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PRC for the win!
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Old 10-03-2012, 05:42 PM   #5
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Yes we could get you taken care of no problem. Give us a call we would be happy to go over the details with you.
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Old 10-03-2012, 06:18 PM   #6
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I am sure that TEA and AI have good cnc programs for the 5.3 heads. I personally do not have experience with them and have heard good things.

I do have experience with PRC 5.3 heads. I have the 2.5 5.3 heads that TSP sells and on the head swap alone I gained 38rwhp and 30rwtq. My numbers are in my sig. My vote goes to PRC especially for the price.
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Old 10-03-2012, 06:46 PM   #7
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Just got back second set of heads from Ai,so that would be my vote..go to the Ai website and click on the 862 heads and read the story of there 5.3 heads vs aftermarket
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