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Is This Normal ?

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Old Jun 5, 2006 | 12:27 PM
  #1  
Ivan_the_Red's Avatar
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Default Is This Normal ?

Good Day All,

I'm new to the corvette and need some information about my 82.
When I put the car into drive it seems to engage harder than the average
car and actually lowers the car. It doesnt bang or grind, but you can feel a noticable engagement, its just not smooth. Also, when the car is put into reverse it raises the rear end and produces a somewhat lesser amount of engagement. The car is idling at 800 R.P.M. and otherwise runs and shifts fine. Is this normal ?



Thanks
Jeff

Last edited by Ivan_the_Red; Jun 5, 2006 at 12:29 PM. Reason: misplaced smiley
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Old Jun 5, 2006 | 12:32 PM
  #2  
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Yep. Often referred to as the vette 'Squat".
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Old Jun 5, 2006 | 12:41 PM
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my son loves that part on our '79...he kinda wishes it was a low rider with hydraulic suspension (yeahhh...right).
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Old Jun 5, 2006 | 12:45 PM
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Thanks for the replies,

I just wanted to know if that 'squat' was caused by a weak spring, bad
converter/tranny etc. etc.
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Old Jun 5, 2006 | 01:22 PM
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NOo, sounds like it working right to me
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Old Jun 5, 2006 | 01:42 PM
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The stiffer the spring, the less squat you're going to get. The more torque your engine has, the more squat you're going to get. An engineer at my old job (who was also a Vette guy) and I worked out the physics of it one day. For the most part, it's just inherent to Zora's IRS design.
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