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what kind of engine prep work for 900hp ls1

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Old Mar 22, 2006 | 05:34 PM
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Default what kind of engine prep work for 900hp ls1

would like to know what kind of engine prep work youall are doing to support 900 hp to the wheels. here is my set up i have a 347 with lunti probillet rotating assembly and i have a t76gts kit with air to water intercooler.also have arp main studs, know the question is should i install billet main caps or the stock ones with arp studs are good enough.i'm also thinking off getting my block machined for 1/2 inch head studs, would like to know what you all are running and how much boost can you gat away with just regular arp head studs?
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Old Mar 22, 2006 | 06:11 PM
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Originally Posted by ls1CANTU
would like to know what kind of engine prep work youall are doing to support 900 hp to the wheels. here is my set up i have a 347 with lunti probillet rotating assembly and i have a t76gts kit with air to water intercooler.also have arp main studs, know the question is should i install billet main caps or the stock ones with arp studs are good enough.i'm also thinking off getting my block machined for 1/2 inch head studs, would like to know what you all are running and how much boost can you gat away with just regular arp head studs?
stock crank and mains good to at least 1000 rwhp
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Old Mar 23, 2006 | 07:02 AM
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how about the heads??? will stock heads stay seated at these sort of levels??? or is it better to go with aftermarket anyway?? afterall they will flow better and the thicker deck should help! right???

thanks Chris.
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Old Mar 23, 2006 | 07:20 AM
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Originally Posted by chuntington101
how about the heads??? will stock heads stay seated at these sort of levels??? or is it better to go with aftermarket anyway?? afterall they will flow better and the thicker deck should help! right???

thanks Chris.
you got it!
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Old Mar 23, 2006 | 10:37 AM
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the heads?? they are fine?? but of course a thicker deck will benefit you??? and of course they will flow more???

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Old Mar 23, 2006 | 12:23 PM
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sorry guys for acting dumb but i have seen some people making pretty cool numbers on stock heads! and it all adds cost to the project! right??? lol

thanks Chris.
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Old Mar 23, 2006 | 12:29 PM
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I think:
-Stock main caps
-ARP main studs
-ARP or A1 head studs

1/2" head studs are for race cars. At that point you might as well o-ring the heads too.

You will spend a fair amount of money on your fuel system, and pcm controller before you find the limits of metric head studs.
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Old Mar 23, 2006 | 05:27 PM
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thanks for the help.
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Old Mar 24, 2006 | 05:42 AM
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Originally Posted by Pro Stock John
I think:
-Stock main caps
-ARP main studs
-ARP or A1 head studs

1/2" head studs are for race cars. At that point you might as well o-ring the heads too.

You will spend a fair amount of money on your fuel system, and pcm controller before you find the limits of metric head studs.
I agree. You can make 900 rwhp on the ARP main and head studs. You may want to throw in a bottom end girdle for a little added insurance. Bob
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