Thread: l67 heads: what more to do? realistically

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  1. #1 l67 heads: what more to do? realistically 
    Florida Tuner Z34Phoenix's Avatar
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    Ok so im still porting my heads. at the rate im going, i dont think i'll have the blower done by the time i need to get it all installed. Bill has suggested and i'm giving it real consideration to have a shop turn the valve guides so i can run a bigger cam down the road. and have the right install height when i run 105#'s with modded retainers.

    extra's im thinking of are:
    -having a basic valve job done.
    -having the heads decked a bit. im guessing with me removing material from the chamber to port the heads and de-shroud the valves i lowered compression. and couldnt hurt to have a known true flat head

    what more should i look into?


    i'd really like to get it all done but it doesnt look like i'll have the heads ported to my level of satisfaction in time. also i need time to gasket match my IM and then port the blower.

    96 Z34 (RIP LQ1 14.81@92.3) L36 Swap 14.9@91.5 www.cardomain.com/id/z34phoenix
    Topswap: P&P All,Si Valves,L76's,LW Pushrods,SD's,DHP PT PB 13.91@99.8
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  2. #2 Re: l67 heads: what more to do? realistically 
    DUI BABY Bio248's Avatar
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    if you deck the heads, dont do any noticeable value. just smooth them out and be done.

    i agree about getting the guides milled down for a bigger cam later down the line. that way you're ready.
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  3. #3 Re: l67 heads: what more to do? realistically 
    Florida Tuner Z34Phoenix's Avatar
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    im already high compression i figure with a good fresh cut i might make up any compression i would have lost by porting the chamber

    96 Z34 (RIP LQ1 14.81@92.3) L36 Swap 14.9@91.5 www.cardomain.com/id/z34phoenix
    Topswap: P&P All,Si Valves,L76's,LW Pushrods,SD's,DHP PT PB 13.91@99.8
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  4. #4 Re: l67 heads: what more to do? realistically 
    DUI BABY Bio248's Avatar
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    you'll run into head gasket problems if you deck them too much. just make sure they are flat and be done with it.
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