Torque steer...

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Old Nov 29, 2005 | 07:28 PM
  #1  
HEK's Avatar
HEK
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Team Nighthawk Mambo King
 
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From: Westfield, MA
Torque steer...

So at lunch I decided to go with a friend from work to check out this Civic that he saw and knows I'm on the market for a beater car, and from a dead stop once we were on a straight away I decided to show him my HP...so I drop the clutch making the wheels grab/ slide/ grab the wet road making the car jump up and down ( not as high as a low rider ) but enough to shake loose the radar detector off the suction cups...then grabing and now in second I was nowl chirping but the bouncing stopped...WTF I wasn't at all impressed with what happened ..not sure if I want to do that again but maybe someone can explain the physics behind this??..
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Old Nov 29, 2005 | 08:59 PM
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ImPo Skyline's Avatar
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From: OC
What you experienced may not have been torque steer. Torque steer will have you receiving a left or right "pull" thought the steering wheel under acceleration.
This is caused on most vehicles by having a nonsymmetrical drive line. In older civics the drive shafts were of un-equal length causing a loss of torque to one side. This causes the wheel with greater applied torque to either loose traction or overcome the forward pull of the vehicle and steer toward the side of less applied torque.

In a case where the tires loose traction equally under acceleration can be caused by excessive torque applied to both driving wheels in which case overcomes the tires ability to have traction. On a wet or loose surface the vehicle is unable to transfer excessive torque to one side or the other which results in each driving wheel to loose traction and "hop" up and down. This can be caused by excessive unsprung weight, insufficient shock damping, or poor torsional axle control.
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Old Nov 30, 2005 | 05:24 AM
  #3  
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From: Westfield, MA
That makes so much sense, personally I had never experienced this happen before on any of my cars, seen it happen on rear wheel cars when on drag races therefore the need of "burning" before the actual race.
I hope besides having had the radar detector come off the cups I didn't do any damage or loosen anything along those lines , anyways thanks
ImPo Skyline for the response...
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Old Nov 30, 2005 | 07:39 AM
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blktl1's Avatar
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From: ?, NJ
What you experienced is called wheel hop and it is mainly caused from the motor shifting. that is why many people will put polyuerethane motor mounts or torque dampeners in the cars if they race alot. I had real bad wheel hop in my rsx and I put motor mounts is and it stopped for the most part . If it did happen then it wasnt as noticable. if anyone else knows what any other main cause can be correct me but this is my experience.
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Old Nov 30, 2005 | 11:38 AM
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you mentioned chirping in second. I have never been able to get my TL to chirp while in my old car i would be chirpin even tho it was a way slower car? WTF do i need a new clutch?
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Old Nov 30, 2005 | 11:49 AM
  #6  
PoochaKannInc's Avatar
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Wheel hop is hell on the suspension. Lack of traction can cause it as the wheels travel up and down very fast. This is what you experienced, NOT torque steer. I have had it happen, and I've backed off the throttle because I wasn't getting enough grip, and I didn't want to break anything.

This is a good thread regarding wheel hop in a TL: https://acurazine.com/forums/showthr...ght=axle+tramp

By the way, stavebomb, I can chirp into second. If I turn off VSA, and drive aggressively I can do it very easily (although I try not to do it much). You have a 6MT or 5AT? I have the 6MT.
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Old Nov 30, 2005 | 02:33 PM
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Brettg's Avatar
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Originally Posted by stavebomb
you mentioned chirping in second. I have never been able to get my TL to chirp while in my old car i would be chirpin even tho it was a way slower car? WTF do i need a new clutch?
The TL has an orfice in the clutch line to prevent the clutch from slamming in and
over stressing things. The TL also likely has wider tires and more weight in the front, so may actualy go faster with less chirp than other cars.
The manual trans TL also has the limited slip differential, so you would have to chirp BOTH front tires.
The car also has the stability control, you have to turn that off if you plan on getting wild....

Brett
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Old Nov 30, 2005 | 07:58 PM
  #8  
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Team Nighthawk Mambo King
 
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From: Westfield, MA
Originally Posted by PoochaKannInc
Wheel hop is hell on the suspension. Lack of traction can cause it as the wheels travel up and down very fast. This is what you experienced, NOT torque steer. I have had it happen, and I've backed off the throttle because I wasn't getting enough grip, and I didn't want to break anything.

This is a good thread regarding wheel hop in a TL: https://acurazine.com/forums/showthr...ght=axle+tramp

By the way, stavebomb, I can chirp into second. If I turn off VSA, and drive aggressively I can do it very easily (although I try not to do it much). You have a 6MT or 5AT? I have the 6MT.

Thanks again for all of these valuevable lessons, I know what I did and did wrong: semi wet conditions, VSA off when I let the clutch go I felt the tires spin on the spot and grab (hop ..thump thump ) and took off now with the tires still spinning faster than the actual speed I was driving I went to second and there is were I felt the torque steer as I was now chirping and sliding to the right and the show was over.
I know I could have put the clutch back in and stopped the car from hopping but I wanted to make the tires spin under me and thought to keep the gas a little longer which worked ( scaring my friend like we were going to die)...lol anyways I did it once in all the 12K miles I had the car and will not do it since it's not a good feeling to know that the kick is so harsh that I would be doing some damage to the suspension or tires for that matter, not to mention anything that could come loose inside the cabin making rattles I don't have now...
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Old Nov 30, 2005 | 08:02 PM
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ImPo Skyline's Avatar
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I have a 6mt also, Plus the A spec 18's with 245's. I'm able to chirp second easily.
My TL is stock aside from the 18's. Maybe you need to drop your pedal a little quicker, or learn to sidestep. haha
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Old Nov 30, 2005 | 08:13 PM
  #10  
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HEK
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Team Nighthawk Mambo King
 
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From: Westfield, MA
Originally Posted by ImPo Skyline
I have a 6mt also, Plus the A spec 18's with 245's. I'm able to chirp second easily.
My TL is stock aside from the 18's. Maybe you need to drop your pedal a little quicker, or learn to sidestep. haha
lol...maybe I'll learn to mambo too....
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Old Dec 1, 2005 | 05:50 PM
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PeterUbers's Avatar
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I thought unequal length half shafts was a design to help ELIMINATE torque steer, not to induce it.
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Old Dec 2, 2005 | 01:36 AM
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stavebomb's Avatar
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I have the 6mt.
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