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Old 10-09-2010, 12:54 AM   #1
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Default BOOST + LS3 heads

I am building a 9.0 to 1 377inch 6.0 base motor and was looking at buying the ls3 heads. i am planning on building a boosted motor and was wondering if any one knows about if these heads are any good or is the deck surface to thin and will they push water under boost ??
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Old 10-09-2010, 01:26 AM   #2
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what type of boost you plan on running? im going to try for 8-10 in my truck. i have a l92 with arp studs
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Old 10-09-2010, 01:37 AM   #3
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They are pretty much the same as the cathedral castings as far as deck thickness. If there is any difference it is minimal. You wont push water from a certain amount of boost. You push water from the amout of power made or detonation.
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Old 10-09-2010, 09:04 AM   #4
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I heard that about the LS3 heads however, its in high hp setups. If I recall it was an issue with 20+. Do a search. There's a post about it. I've been thinking about boost next year but don't think I have the deck hight since mine are milled .030
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