INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

What heads for an lq4?

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Old 04-30-2009, 01:05 PM
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Will Patriot and WCCH both be able to spec a cam for the heads and application?
Old 04-30-2009, 02:15 PM
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Ported AFR 205's, but they are $$ My reason is the smaller you can keep those intake ports, the more tq you are going to have. For a more reasonable price.. anything by WCCH is a great deal
Old 04-30-2009, 07:11 PM
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Yea well i guess you can call it a budget wasnt thinking of getting 2500 dollar trick flows afr or anything like that, was thinkin of just some 243 fully ported and milled for my app.
Old 04-30-2009, 08:51 PM
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what are 243's running for? $ wise
Old 04-30-2009, 08:54 PM
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Originally Posted by Parke10
what are 243's running for? $ wise
Ive seen them go for as low as 220 $$$ Deals are out there you just gota findem
Old 04-30-2009, 09:01 PM
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Originally Posted by Mangled03gmc
Ive seen them go for as low as 220 $$$ Deals are out there you just gota findem
then wudda lookin at for the port job?
Old 05-01-2009, 10:31 PM
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Originally Posted by PSM
Ported AFR 205's, but they are $$ My reason is the smaller you can keep those intake ports, the more tq you are going to have. For a more reasonable price.. anything by WCCH is a great deal
thats what i was thinking some AFR 205s sweet cylinder heads but pricey i would also look at the TEA 5.3 heads here good things about them over on tech
Old 05-02-2009, 12:03 AM
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Originally Posted by Parke10
then wudda lookin at for the port job?
The machine shop I talked to quoted me $500 to port and polish a set of 243's, and I have seen them in the $200 range over on tech you just have to jump on them real quick.
Old 05-02-2009, 07:23 AM
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How come no one has mentioned how good the stock 317s are when worked? From what I have read everything is identical minus valves between the 317s and the 243s and the combustion area. So if you can pick up some cheap 317s because they are usually half price or less of 243s. Cheapest I have seen 243s go for regularly was 400 and 317s usually 150 or so. Or call Richard from WCCH and get some from him and pay the core, remove your 317s and get the core back. If you have the choice between CNC and hand ported get CNC well worth the extra money. I am building an LS2 for my wife's Yukon and I had a set of Dart heads that wouldn't sale on here or Tech so that is what it is getting. They aren't a bad head but there are better out there, that is just my opinion
Old 05-02-2009, 07:42 AM
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whats the power difference between worked 243 and worked 317? and whats the comp ratio difference? also anyone know what a CNC job from WCCH is running?


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