Darts new shp pro block
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Darts new shp pro block

  1. #1
    Senior Member CNC BLOCKS's Avatar
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    Default Darts new shp pro block

    The BBC cam tunnel is key and with a .400 lobe the base circle size is 1.140 and with a .430 lobe your base circle is 1.089 Using Lunati Pro Mod rods, Oliver, Callies Compstar rods, Crower stroker rods, Scat I beam with 7/16 bolts with work with these cams. The .904 lifter bores make for a win win situation bigger lifter makes for a stronger lifter plus more lifter bore surface area.

    Features:
    - Brand new precision machined, light weight cast iron block.

    - Big block Chevy cam bore

    - .904 lifter bores

    - Billet steel main caps

    - ARP main studs

    - Siamese bores 4.000" or 4.125" (unfinished).

    - Extra thick decks ensure reliable head gasket seal.

    - Blind head bolt holes don't go through to water jacket.

    - Clearance for 3.75" stroke with steel rods.

    - 350 main journals accept commonly available crankshafts.

    - Uses 1981-1985 stock style oil pan and dipstick.

    - Uses stock stamped steel or plastic timing cover.

    - All OE bolt holes for starter, clutch ball, etc...

    - Priority main oiling system directs oil to main bearings first for more dependable lubrication.

    Dart just sent me a pic of the caps and bottom end view of the Pro SHP block if it fits your build contact your local Dart dealer!!!



    31161112 is the 4.000 bore block

    31161212 is the 4.125 bore block

    And their will be no one peice seal blocks availiable because they have no rear main billet cap for one peice seal crank

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  3. #2
    B1 Racing cs19's Avatar
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    Isnt there a new BBC block by Dart? Any news on it?

  4. #3
    Just another Wannabe Wannabe's Avatar
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    . . . you mean other than the Billet Aluminum?

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  6. #4
    Senior Member CNC BLOCKS's Avatar
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    Quote Originally Posted by cs19 View Post
    Isnt there a new BBC block by Dart? Any news on it?

    Dart did come out with a 1 piece rear seal blocks GEN V and GEN IV

    On the Dart Big-M steel blocks Dart has lowered the price by 250.00 I should probably post that info.

  7. #5
    Super Moderator HammerDown's Avatar
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    Can Cast Iron be 'light weight'???
    <img src=http://www.performanceboats.com/gallery/data/500/medium/06-30-11_1234.jpg border=0 alt= />

  8. #6
    Senior Member CNC BLOCKS's Avatar
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    Quote Originally Posted by HammerDown View Post
    Can Cast Iron be 'light weight'???

    The CG blocks are light!!!

  9. #7
    The Man cordog009's Avatar
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    Quote Originally Posted by HammerDown View Post
    Can Cast Iron be 'light weight'???
    A little time with some carbide bits and you can lighten them up


    1984 Youngblood TX-19 SOLD

  10. #8
    LAID IN MEXICO
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    Default dart blocks

    does dart offer there big m blocks in a gen 6 configuration? i thought they had that option listed on there web page.

  11. #9
    B1 Racing cs19's Avatar
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    Quote Originally Posted by Wannabe View Post
    . . . you mean other than the Billet Aluminum?
    Yes new iron block. I thought there was something updated coming out.

  12. #10
    Senior Member CNC BLOCKS's Avatar
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    Got my Dart order in and had a chance to look over the Pro Block and so far have been pleased with what I saw and the mains were right in the middle, cam tunnel was right at 2.120 and the lifter bores were on the low side and depending whose lifters you are running they may have to be sized.

    To those who have asked about the studs on the outter splayed holes they are indeed 7/16 studs. Sonic test was very good!!

    NOTE we have been seeing a lot of under size roller lifters lately and anyone who is building an engine should measure all the lifters and size the lifter bores accordingly.

    Any one needing a specific picture of this block let me know!!

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