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Thread: wanting to build a 383 sbc one of multiple way .. need help

  1. #1

    wanting to build a 383 sbc one of multiple way .. need help

    ok now here it is .
    i have a new 350 4 bolt std bore that is now zero deck height , acually it is .005 out of bore with deck height.
    i have a steel 3.75 stroke crank . eagle 5.7 rods and .125 dome pistons, i have one of two new cams a 275 284 at .050 625 627 on a 107 . doug herbert solid roller, or a 260 270 at .050 578 597 solid comp on a 106 .
    i also have a set of 215 iron eagles with 208 1625 valves and 64cc chambers and a set of 230 iron eagles with208 16 valves with 49 cc valves.
    i want to build a very strong 10 sec s10 i have a 10 inch tire s10 with 4500 stall 4.10 gear power glide or 350 turbo no brake.
    ANYWAY
    I HAVE FLAT TOP PISTONS WITH 6 INCH RODS OR 125 DOME WITH 5.7 RODS. I AM WANTING TO KNOW WHICH ENGINE TO BUILD NEITHER IS BALANCED AND IS READY FOR ASSEMBLY.
    I LIKE THE 6 INCH RODS FLAT TOP BUT FEEL IT NEEDS THE 215 HEADS FOR PORT SPEED PERFORMANCE AND ALSO WOULD HAVE TO RUN THE SMALLER OF THE TWO CAMS. BECAUSE OF COMPRESSION TO RUN THE 275 285 DURATION.AND THAT LIMITS MY POSSIBLE POWER.
    NOW THE 5.7 ROD 125DOME WITH 49 CHAMBERS WOULD BE LIKE 13 TO 1 AND WOULD LIKE THAT BIG SOLID ROLLER DURATION.
    I AM RUNNING A VICTOR JR WITH 850 DP OR 950 ALSO RUNNING 1.5 ROCKERS.
    JUST THOUGHT ID ASK BEFORE I COMMIT. STREETABILITY IS NOT AN ISSUE JUST WANT POWER ON MOTOR ONLY...
    THANK YOU

  2. #2
    Senior Member DYNO OPERATOR
    Join Date
    Feb 2006
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    VA Hospital, Dallas, Tx (214 302 1924) cell-972-464-7400
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    You neglected to say what you want?

    Street?
    Race only?
    Strret/Strip?
    Circle Track?
    Mud?
    etc etc etc ?

    Ed
    " Let all things that hath breath, praise the Lord. Praise Ye the Lord" Psalms 150 vs 6.

  3. #3

    383

    I AM WANTING TO BUILD A STREET/STRIP TRUCK BUT I DO NOT HAVE PROBLEMS RUNNING RACE FUEL.OR CHECKING LASH FOR WEAR WHEN NEEDED. THANK YOU

  4. #4
    Senior Member RACING JUNKIE
    Join Date
    Mar 2003
    Location
    Fountain,MICHIGAN
    Posts
    856

    383

    Use the 215 Head,(IF)Its a Platinum?
    You also Need this Lunati Roller that i Have(50173X)It works Great with a 12.5 - 14 to 1 Comp Motor!
    Later
    G 8)

  5. #5

    383

    i have non platinum thats no platinums....i like the two cams but i open to offers . what do you have thanks

  6. #6
    Senior Member RACING JUNKIE
    Join Date
    May 2003
    Location
    Coldwater, MI
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    2,998
    I'd use the 230
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  7. #7
    Senior Member MASTER BUILDER
    Join Date
    Apr 2003
    Location
    Brookings South Dakota
    Posts
    244
    Get rid of the victor jr intake and buy a power plus hurricane, that’s worth 10 hp, since you have a light truck, I would go with the 230 heads, this will take some of the torque away on the bottom to help you with traction.
    I would also do a bowl port to the heads and polish the combustion chamber.
    Use the cam with the 106-degree pattern and add 1.6 rockers to the intake.. Make sure you have the compression up in the 13.01 range in order to make this combo work.
    Carb I would recommend is an AED 850HOM modified carb.
    Competition Engines & Hardcore Engine Parts
    www.cnc-motorsports.com
    [email protected]

  8. #8
    Senior Member MASTER BUILDER
    Join Date
    Dec 2005
    Location
    alberta,canada
    Posts
    166
    [quote="cncmotorsports"]Get rid of the victor jr intake and buy a power plus hurricane, that’s worth 10 hp, since you have a light truck,


    You must sell them as i have never seen anybody recommend that intake on motor over 450 hp.........all the data i have heard sorry this is from head and intake builders............that the victor and the hurricane r close to each other...non ported.....but once u port the jr u will gain on the higher horse power and the super victor will gain 18 hp over the hurricane at 650 hp...........don't shoot me i am just the messenger

  9. #9
    Senior Member MASTER BUILDER
    Join Date
    Apr 2003
    Location
    Brookings South Dakota
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    244
    Yes, we sell them, but we also have an in house DTS powermark 4000 engine dyno, we have see 10 to 14 hp gain by using the hurrican intake.
    On the higher hp engines we use the hurrican plus intake which has larger runners for an even larger power gains on higher horsepower engines.
    Competition Engines & Hardcore Engine Parts
    www.cnc-motorsports.com
    [email protected]


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