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Advanced Induction 226cc or 232cc heads

This is a discussion on Advanced Induction 226cc or 232cc heads within the Internal Engine forums, part of the LSx Technical Help Section category; I am thinking about sending out my 243s to AI. I am looking to make a max effort ls6 and ...

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    Moderator 98TransAmWs-6's Avatar
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    Advanced Induction 226cc or 232cc heads

    I am thinking about sending out my 243s to AI. I am looking to make a max effort ls6 and I was wondering what everyone's thoughts were on AIs 226 or 232 heads were. In my opinion since the work is the same price I should go with the 232s but I don't have any actual experience with them.
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    Spaz is My Mentor SMWS6TA's Avatar
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    Will I've heard good things about AI but I've yet to use any of their products.

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    Senior Member tatertot91's Avatar
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    I was planning on having mine sent to AI, heard nothing but great things about em.
    from everything I have seen they make great numbers

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    So do you guys think I should go with the 232? I am asking because I am wanting to get a custom cam to match prior to sending my heads in.

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    I am thinking of getting bigger valves put into the 232 heads as well. I was thinking 2.020/1.600 but should I go bigger? I would like some input on this. If anyone has suggestions please post them up.

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    Senior Member tatertot91's Avatar
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    As far as the cam goes, might be a good idea to talk about the guys at AI. Based on the setups they've done for people they seem to know what they're doing and it's worth a phone call. Not sure about the valves, i've heard in some cases too big and you risk losing some power.

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    Quote Originally Posted by tatertot91 View Post
    As far as the cam goes, might be a good idea to talk about the guys at AI. Based on the setups they've done for people they seem to know what they're doing and it's worth a phone call. Not sure about the valves, i've heard in some cases too big and you risk losing some power.
    Yeah I emailed them but I will probably call as well. I want an eps cam so I can't use one of theirs. I think the 2.02/1.6 would be fine since that is the standard bigger valves but I will ask as well.

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    Okay so I heard back from Phil at AI and he suggested keeping stock valve sizes so that is what I am going to do.

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    Ya that sounds good the 232's with biiger valves flow a lot for non-stroker I'd say the 226's with a nice comp ratio should put it in good shape. Tea is also a great company with similar results to AI I'd feel comfortable with either

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    Quote Originally Posted by redbird555 View Post
    Ya that sounds good the 232's with biiger valves flow a lot for non-stroker I'd say the 226's with a nice comp ratio should put it in good shape. Tea is also a great company with similar results to AI I'd feel comfortable with either
    I am going to do 232s since it is the same price as the 226s I think but I will talk to Phil more prior but I am going to keep stock valves. I intend on doing a stroker at some point so I would rather not pay for the work twice. According to their site 232s won't harm most stock cube applications.

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    Update, the following is what I have decided to go with after talking to Phil. I am also going to have them do a custom cam for me as well instead of EPS.

    100% CNC'd 232cc GM LS6/LS2 Cylinder Head Package

    Machining & Labor Operations:
    100% CNC Ported Intake, Exhaust, & Combustion Chambers
    100% CNC Professional Competition Quality Valvejob
    Factory Valves Cleaned & Precision Ground
    PCD milled to ensure flatness, surface finish, & achieve desired chamber volume (57 - 69 cc)
    Intake Flange, Exhaust Flange, and Valve Cover Rail PCD Milled to new surface finish specs

    1 Ai Custom HR Cam Billet Core With Ai CamPro QC Document ($395 if ordered with head package)
    1 BTRSK660L: .660 Lift Polished Dual Spring Kit w/Ti Retainers,Hardened Locators & Locks & Seals.
    155lbs @ 1.780" & 380lbs @ 1.180" 400lbs @ 1.130/ Coil Bind 1.070
    1 CompCams 13702 Rocker Trunion Upgrade Includes Kit & Labor To Install on Customer's GM Rockers
    4 GM 12595365 GM Performance LS Valve Lifter Guides Gen III/IV LS Engines

    The total will be $1972 which is a killer deal for the labor and parts if you ask me.

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