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head reccomendations

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Old Aug 6, 2009 | 08:10 PM
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Default head reccomendations
i'm trying to get my parts list together for a 7-8 psi procharger build. i'd like to get some input on heads. i like the stage 2 livernois heads, purely based on price and flow numbers, i think they have stock combustion chambers. i've seen alot of people reccomend 317 heads. i'm planning on putting in forged pistons and rods, so do i still want to lower the compression with 317 heads or should i lower the compression with the pistons and run a different head? or should i just run the stock heads with dished pistons? as you can tell from the myriad of questions, i need some guidance.

the starting point is a 99' LS1 and A4.
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Old Aug 6, 2009 | 08:54 PM
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l92 heads are a good stock head to run as well
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Old Aug 7, 2009 | 01:17 AM
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Trickflow as cast good power and alot stronger then stock price not to bad
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Old Aug 7, 2009 | 01:28 AM
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Originally Posted by kikass_z28
l92 heads are a good stock head to run as well
no the deck is not as thick as the 317s. people have been cracking them at 700-750 hp
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Old Aug 7, 2009 | 04:58 AM
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I don't like the "AS CAST" Trickflow heads because you HAVE to get roller rockers. There is nothing wrong with factory rockers. Especially with the Harland Sharp upgrade or Comp Cams upgrade kit. So if you add the price of roller rockers to the as cast price you may as well buy CNC'd AFR's or ETP's that don't need roller rockers. Just my opinion though. I'm using ported stock 243's on my build.
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Old Aug 7, 2009 | 12:22 PM
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All after market heads with bronze valve guide should run roller rockers.

Just cause something can be done doesnt make it a good idea. I have friends running stock rockers on TFS too
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Old Aug 7, 2009 | 08:47 PM
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ok, so are the livernois stage 2 decent for a boosted setup? sorry if i'm not reading between the lines i'm new to LSX and boost.
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Old Aug 7, 2009 | 08:53 PM
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Yes there pretty good. But if you dont have a set yet there alot better for a little more. Trickflow will be like 200 more and have alot stronger design so later on when you up the boost you can still use the same heads
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Old Aug 8, 2009 | 05:45 AM
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ok,thanks big, that's the input i was looking for. i think that's what the others were trying to say, just didnt quite say it.
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Old Aug 10, 2009 | 05:45 PM
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Originally Posted by BigRich954RR
Yes there pretty good. But if you dont have a set yet there alot better for a little more. Trickflow will be like 200 more and have alot stronger design so later on when you up the boost you can still use the same heads
where are you finding trickflow heads for 1600??? the Livernois stage 2 head is 1399 for an LS1 engine.
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Old Aug 10, 2009 | 10:45 PM
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Originally Posted by 88ls1blazer
where are you finding trickflow heads for 1600??? the Livernois stage 2 head is 1399 for an LS1 engine.

website that carry trickflow as cast on sale other wise it like 99 more
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Old Aug 11, 2009 | 05:36 PM
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I have a set of All pro heads. they are pimp
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