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diff gears in relation to dyno output result

Discussion in 'Dyno Figures' started by ari666, Jun 25, 2010.

  1. old mate

    old mate New Member

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    haha no worries, i was bored and was a good excuse to mess around. it wont be 100% accurate but it does give a good indication of the shape and size of the curves.

    it must feel pretty linear to drive i reckon.
     
  2. ari666

    ari666 250,000 hits

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    the weird thing is that its one of the most stupidly happy cars i have ever driven. i dunno how to explain it. even if the graph says its weak, there have been times i would swear that graph is way off.

    but yeah, you answered the question above and beyond what id hoped for so rep your way.
     
  3. peterg2121

    peterg2121 New Member

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    diff gears

    hey guys i dont know if this is an old post but in relation to diff gears ive had first hand experience and i work as a mechanic they dont increase your torque or your horsepower what happens is basicly you have a smaller ratio so you take off harder only letting your torque kick in earlier so running down the quarter would be great

    so say if a car has 200 horsepower and 150nm (nm is newton meters) torque e.g like how tight you do up a wheel nut 90nm if you ran your car on a dyno on the standard set of diff gears say the car on those gears has a max speed of 200kmh

    a smaller set of diff gears whitch is good for your drag racing you use the same power same torque but just the car always seems to have torque becouse it doesent require as much to push the car forward on a smaller set of gears

    a tall set of gears will help your top speed but they end up being harder to turn and etc

    if you look at a dyno sheet with a torque curve reading
    1) standard set of diff gears you might say see a say 45 degree diagonal line
    2) short set of diff gears you will see the line shoot straight up say a 70 degree line all it is is the power coming on all in one go rather then gradually
    3) tall set of diff gears you will see a long line say a 30 degree line

    but its a curve not a perfectly straight line

    thats what i know dont bag me out just trying to help if you dont understand ask me and i will try and explain it better
     
  4. bauer5152

    bauer5152 New Member

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    I also think so.
     
  5. ari666

    ari666 250,000 hits

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  6. old mate

    old mate New Member

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    note the word intersect in this statement, not the torque peak cannot be over 5252rpm which is completely false.
     
  7. ari666

    ari666 250,000 hits

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