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Which Heads To Go With 403???

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Old Jul 11, 2010 | 05:43 PM
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Default Which Heads To Go With 403???

So there are two heads I am deciding between. First head is a TEA Trickflow 220cc "AS CAST" head hand ported and from what I have been told with the extra port work makes were they are almost on par with the 225cc heads. Then there is LS3 heads ported from AES who is doing my build. I am just wondering what head will let me grow my numbers stronger for NA in the future when I get the money for a FAST intake combo.
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Old Jul 11, 2010 | 06:29 PM
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do you already have the 220 as cast? if not just buy some used tfs 235's instead of the 220's.

but i do like the LS3 heads how much is the price difference?
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Old Jul 11, 2010 | 07:53 PM
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No price difference and dont want to buy used heads, and with the 220s ported they are basically flowing on par with the 225's for less the price.
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Old Jul 11, 2010 | 07:54 PM
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Do you happen to have a flow sheet for the AES ported rectangle ports?

Also do you already have a cam or are you waiting to gather more parts?
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Old Jul 12, 2010 | 03:44 AM
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the guy selling the used heads was selling them for 2100 i belive and they had 100 miles on them, but i would buy a set of ported LS3 heads and buy a fast 102/102
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Old Jul 12, 2010 | 07:59 AM
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LS3 heads

New Tech > Old Tech
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Old Jul 12, 2010 | 05:25 PM
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you can make a head flow what ever. It does NOT mean they perform the same. my old heads flowed the same as my AFR heads. but the afr heads gained 5 tenths at the track over the other heads. Believe what you will,but you get what you pay fore. good luck to ya. By the way,i vote trickflow 225 or 235 not as cast. Stay away from the ls3 heads. I hate my l92/ls3 heads.
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Old Jul 12, 2010 | 08:24 PM
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Why do you hate your L92 heads?
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Old Jul 13, 2010 | 08:58 AM
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Originally Posted by josh1
Why do you hate your L92 heads?
curious about this as well. my 403 pulls pretty well with L92s... i do not have anything to compare it to though.
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Old Jul 13, 2010 | 12:01 PM
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And there is nothing wrong with "As Cast Heads". I have seen them make really good rwhp for the money. You are talking about $600 cheaper then what 225cc heads run. So if they make like 10rwhp less I think that $600 in savings was worth it. And TEA is a well recommend place to get porting done so if they say and can show the results like I have seen, then I am all for believing them.
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Old Aug 3, 2010 | 03:37 PM
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I would do a set of afr 225s they will be great for your setup
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