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new 4v heads

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Old 04-11-2007, 02:29 PM
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Default new 4v heads
http://www.ls1lt1.com/forum/showthre...8494#post78494
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Old 04-11-2007, 02:40 PM
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looks pretty sweet. would work great with a FI setup. i want prices!!
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Old 04-11-2007, 02:44 PM
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well their BBC heads are 20k so figure them to be somewhere in the 15-25k range
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Old 04-11-2007, 02:44 PM
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very intersting! LSx only though
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Old 04-11-2007, 03:24 PM
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they also have a set of SBC heads that could be setup for reverse flow.
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Old 04-11-2007, 03:26 PM
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Thats pretty cool but I bet they will want 3K for those heads and I really dont see how that would work with one pushrods operate two valves, to me that just more stress on the lifters and pushrods
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Old 04-11-2007, 03:28 PM
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Originally Posted by Juiced
well their BBC heads are 20k so figure them to be somewhere in the 15-25k range
It'll be a cold day in hell when I spend that much money on a set of heads.
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Old 04-11-2007, 04:06 PM
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Originally Posted by Juiced
well their BBC heads are 20k so figure them to be somewhere in the 15-25k range
... you do mean pesos right?
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Old 04-11-2007, 06:18 PM
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Originally Posted by Emerald Phoenix
... you do mean pesos right?
lol.. i wish....... i'm close enough to the border to go get some pesos

http://www.araoengineering.com/Chevy/chevybb.htm

Flow for their BBC head
Using dual 2.02” intake valves.

INTAKE PORT FLOW @28”
LIFT CFM
.100” 137.
.200 214.
.300 326.
.400 410.
.500 470.
.600 508.
.700 561.

check the bottom of the page for the price
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Old 04-11-2007, 06:20 PM
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Originally Posted by LT1Z
very intersting! LSx only though
They first came out with lt1 heads, so they are around somewhere
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Old 04-11-2007, 09:20 PM
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508cfm(@.600) lift?!?


You would really need a big displacement motor to take full advantage of that.


Not worth it in my opinion
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Old 04-11-2007, 09:55 PM
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Originally Posted by SHINER
508cfm(@.600) lift?!?


You would really need a big displacement motor to take full advantage of that.


Not worth it in my opinion
Thats why you use them with a warhawk LSX block, and an ITB intake manifold.
Ultimate street monster!
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Old 04-11-2007, 10:01 PM
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Damn thats a lot of flow!!
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Old 04-11-2007, 11:53 PM
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Originally Posted by Brief Encounter
Thats why you use them with a warhawk LSX block, and an ITB intake manifold.
Ultimate street monster!
too bad those flow numbers are for a BBC not an ls1
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Old 04-12-2007, 12:44 AM
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Originally Posted by Juiced
well their BBC heads are 20k so figure them to be somewhere in the 15-25k range
If you read the thread he states they start at 7k.
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Old 04-12-2007, 02:25 AM
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There was a guy in an old issue of GMHP running those on his S/C 396 LT1 they flowed around 390cfm i think. He was making 600RWHp i think.
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