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Thread: No Carb here Semi drag racing

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    Supporting Member Frank S's Avatar
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    No Carb here Semi drag racing

    If you love diesel smoke then watch this
    some of these trucks are making close to 3000 hp

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  2. The Following 4 Users Say Thank You to Frank S For This Useful Post:

    Altair (Mar 13, 2023), greenie (Mar 12, 2023), Inner (Mar 13, 2023), nova_robotics (Mar 13, 2023)

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    Got me beat how the clutch, engine mounts, gearbox, tail shaft, universal joints and diff centres stand up to that lot, eh. :-)

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    Supporting Member Frank S's Avatar
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    Quote Originally Posted by greenie View Post
    Got me beat how the clutch, engine mounts, gearbox, tail shaft, universal joints and diff centres stand up to that lot, eh. :-)
    For one you let out the clutch before pounding the floorboard with your right foot. If you heard that one guy mention he had a real low idle. Part of the reason for that is if he is putting out 2900 Hp at full RPM then he would be putting out around 400 to 500 at idle with 1600 ftlb. torque by the time the engine reaches 1200 it would be putting out around 3500ftlb.torque and max torque would come in around 1400 RPM. I've seen guys with 18 axle rigs weighing 160K lbs twist the yolks off drive shafts dumping their clutch at 1200 RPM with only 550 HP. Or pull the nose cone completely off the front diff. with less than 350HP Hot dogers break trucks
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    They are still putting out way more power than a normal drive-line could ever take, what are they using so there are NO breakages ?

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    Quote Originally Posted by greenie View Post
    They are still putting out way more power than a normal drive-line could ever take, what are they using so there are NO breakages ?
    A lot of experience and a little bit of luck.

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    Supporting Member bob_3000's Avatar
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    Quote Originally Posted by Frank S View Post
    For one you let out the clutch before pounding the floorboard with your right foot.
    Not in the video I'm watching, those guys have them revved to almost maximum before the tree turns green.

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    Man that's amazing. I can't believe how it twists the whole frame. That's enough torque to restart a dead planet.

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    Supporting Member Frank S's Avatar
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    Quote Originally Posted by nova_robotics View Post
    Man that's amazing. I can't believe how it twists the whole frame. That's enough torque to restart a dead planet.
    Or if you strap one of them down facing the wrong direction it might stop the planet from rotating
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    That strip is nuts! Imagine going over that hill at 100+mph at the end of a run. I assume 200mph cars don't run there.



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