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Thread: cylinder head choices
          
   
   

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  1. #1
    Heaterman's Avatar
    Heaterman is offline CHR Member Visit my Photo Gallery
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    May 2006
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    cylinder head choices

     



    I have a S10 with a mild 350 in it and am curently assembling a 383 stroker to replace the 350. looking for a streetable yet fast combination for when i go to the track to play. truck weighs 3000 lbs with driver. wondering what a good choice is for heads.. there seem to be so many out there now.
    below is what i have so far


    350 4 bolt block with ARP main studs
    4340 forged lightweight int balanced rotating assy with good 4340 H beam rods and SFI dampener and flexplate
    Ross lightweight flat top pistons at zero deck
    total seal gapless rings
    bottom end is built to handle 8500 rpm shift points

    rear is a 4.11 8.5 with locker
    trans is a th350 with a 3000 stall speed converter

    even though the bottom end is built to handle high rpm i doubt it will ever see better than 7k

    now.. what are my best head and cam options? i will be running a Victor jr intake and a 750 hp carb.. with a 74cc combustion chamber i will be at 10.0 compression and with a 64cc chamber i would be at 11.3 compression..
    any thoughts?

  2. #2
    techinspector1's Avatar
    techinspector1 is offline CHR Member Visit my Photo Gallery
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    Zephyrhills, Florida, USA
    Car Year, Make, Model: '32 Henway
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    This head....
    Air Flow Research 210cc SBC Eliminator Racing Cylinder Head
    The Most Powerful Standard Racing Head Available
    These reasonably priced AFR 210cc intake port small block Chevy angle plug cylinder heads are available in three stages of performance. The Race Ready version features 100% CNC ported intakes while the higher flowing Competition version features 100% CNC ported intakes with greater detail. Both come with 100% CNC ported 76cc combustion chambers and 80cc exhaust ports with a 3/4” thick head deck (ideal for nitrous or blower applications). In addition we also offer the “as cast” Stage 1 heads for 210cc performance on a budget. Standard valves are 2.080 intake and 1.600 exhaust with AFR’s hardened ductile iron interlocking valve seats. The exceptional flow characteristics, 23º valve angle, and standard valve spacing make this the perfect head for 350 to 400 cid engines in bracket drag cars, sportsman oval trackers, and highly modified street class cars operating between 3000 and 7500 rpm (higher rpm ranges possible depending on combination of parts).The 210cc heads are available in either standard or spread port exhaust. Straight plug versions are special order only. No special parts are required. Dual valve cover bolt pattern is standard.

    This cam....
    http://www.cranecams.com/?show=brows...tType=camshaft

    At 10.0:1 with this cam, you'll be at 8.373:1 dynamic compression ratio. With a zero deck and 0.035" to 0.040" squish, this motor should rip all day on pump gas.

    Of course, that's just my opinion. Be sure to call your favorite cam grinder and ask the opinion of one of their tech guys.
    PLANET EARTH, INSANE ASYLUM FOR THE UNIVERSE.

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