Suspension and Chassis Questions about your suspension? Need chassis advice?

Wheel Hop?

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Old Sep 21, 2010 | 08:44 AM
  #1  
Americanmouse's Avatar
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From: Chicago south suburbs
Car: 1988 IROC-Z28
Engine: L98(383tpi) modified
Transmission: 700R4 rebuilt
Axle/Gears: 3:73 10bolt rebuilt
Wheel Hop?

Sunday I went out and did some hole shots etc, basically just testing the car out. I've got aftermarket suspension all around and Nittos in the rear. So anyway the first few burnouts I did the tires spun til they eventually hooked up and off I went. But after that there was less spin and pretty much all wheel hop. Never had this problem before, but I also never did that many burnouts in a short amount of time. So anyone has any ideas what it is? I had considered my tire pressure but I'm not sure where that should be to due those kind of runs.
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Old Sep 21, 2010 | 08:46 AM
  #2  
3rdgenmaro's Avatar
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From: Lincolnton, NC
Car: 88 IROC
Engine: 97 5.7 Vortec LT4 hotcam
Transmission: 700 r4
Axle/Gears: 3.73
Re: Wheel Hop?

the tires heated up increasing traction
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Old Sep 21, 2010 | 08:52 AM
  #3  
Americanmouse's Avatar
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From: Chicago south suburbs
Car: 1988 IROC-Z28
Engine: L98(383tpi) modified
Transmission: 700R4 rebuilt
Axle/Gears: 3:73 10bolt rebuilt
Re: Wheel Hop?

Ok!
I assume that's suppose to happen, so you get better hook up and less spin. So what if anything can I do to correct this. Cars race at the track all day long and don't seem to have that problem. I did notice my et's went up when this started happening. It would seem I get better times when the tires just spin til they hook up.
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Old Sep 21, 2010 | 09:27 AM
  #4  
3rdgenmaro's Avatar
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Joined: Dec 2004
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From: Lincolnton, NC
Car: 88 IROC
Engine: 97 5.7 Vortec LT4 hotcam
Transmission: 700 r4
Axle/Gears: 3.73
Re: Wheel Hop?

Go into more detail on your suspension setup please.

Are you running stock lcas? Stock torque arm? Old bushings? Let us know the components you have.
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Old Sep 21, 2010 | 12:12 PM
  #5  
Americanmouse's Avatar
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Joined: Jun 2004
Posts: 489
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From: Chicago south suburbs
Car: 1988 IROC-Z28
Engine: L98(383tpi) modified
Transmission: 700R4 rebuilt
Axle/Gears: 3:73 10bolt rebuilt
Re: Wheel Hop?

Ok!
my rear setup is as follows:

Mac Transmission tunnel mounted torque arm w/ DS loop
Comp. Engineering sub-frame connectors
Lakewood Rear drag shocks
Moog rear cargo springs
Mac LCA’s
Mac Panhard bar
Mac torque arm
Energy suspension bushings through out
Re-Built 10 bolt rear-end
3:73 Richmond ring & Pinion
Moser 28 spline axles
T/A girdle
Powertrax
rear: Nittos 245/50-16

Last edited by Americanmouse; Sep 21, 2010 at 12:13 PM. Reason: one to many things
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Old Sep 21, 2010 | 12:21 PM
  #6  
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: Wheel Hop?

LCARB?

What are the rear shocks set at or are they even adjustable?
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Old Sep 22, 2010 | 07:49 AM
  #7  
Americanmouse's Avatar
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From: Chicago south suburbs
Car: 1988 IROC-Z28
Engine: L98(383tpi) modified
Transmission: 700R4 rebuilt
Axle/Gears: 3:73 10bolt rebuilt
Re: Wheel Hop?

Yea I do have LCARB'S, and I don't know if my shocks are adjustable or not. If they are where should they be set at?
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Old Sep 22, 2010 | 05:26 PM
  #8  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: Wheel Hop?

what position are the LCA in? Are they parallel to the ground, down at the rear etc? They should be parallel or down slightly at the rear. LCARB are a tuning aid. When lowering a car, it changes the angles so the LCARB allow you to drop the rear mount to keep the LCA more parallel.
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Old Sep 23, 2010 | 07:41 AM
  #9  
Americanmouse's Avatar
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Joined: Jun 2004
Posts: 489
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From: Chicago south suburbs
Car: 1988 IROC-Z28
Engine: L98(383tpi) modified
Transmission: 700R4 rebuilt
Axle/Gears: 3:73 10bolt rebuilt
Re: Wheel Hop?

what position are the LCA in? Are they parallel to the ground, down at the rear etc? They should be parallel or down slightly at the rear. LCARB are a tuning aid. When lowering a car, it changes the angles so the LCARB allow you to drop the rear mount to keep the LCA more parallel.
Not sure I'll check on that tonite.
Thanks!
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