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86' Iroc Z28 posi?????

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Old May 12, 2009 | 09:19 PM
  #1  
nghanie's Avatar
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From: longisland NY
Car: 86' Z-28 Iroc Camaro
Engine: V8 5.0
Transmission: Automatic
86' Iroc Z28 posi?????

dose a 1986 Iroc z28 have a rear posi?? because when i rearly do burnouts i only see one line in the street. is there somthing i need to do or fix to make it 2 lines in the street?
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Old May 12, 2009 | 09:36 PM
  #2  
3rdgengmachine's Avatar
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Joined: May 2004
Posts: 180
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From: Inez kentucky
Car: 87 iroc z
Engine: 358 tpi
Transmission: 700r4 with transpack
Axle/Gears: 3.42 with powertrax
Re: 86' Iroc Z28 posi?????

if you only see 1 mark its most likely worn out.the irocs have a 9 bolt thats for shure a posi but i just took my 9 out put in a 7-5/8 with a powertrax and love it.my 9 used to leave 2 good marks but it slowly died out lol
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Old May 12, 2009 | 09:39 PM
  #3  
nghanie's Avatar
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From: longisland NY
Car: 86' Z-28 Iroc Camaro
Engine: V8 5.0
Transmission: Automatic
Re: 86' Iroc Z28 posi?????

ohhh ok so do u think mine died out??

Last edited by nghanie; May 12, 2009 at 09:43 PM.
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Old May 12, 2009 | 09:42 PM
  #4  
AJ_92RS's Avatar
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Joined: Apr 2001
Posts: 4,969
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From: USA
Car: yy wife, crazy.
Engine: 350, Vortecs, 650DP
Transmission: TH-350
Axle/Gears: 8.5", 3.42
Re: 86' Iroc Z28 posi?????

You have to pull the inspection cover and look. That's the only way to tell if you indeed have a positraction unit.
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Old May 12, 2009 | 09:46 PM
  #5  
3rdgengmachine's Avatar
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Joined: May 2004
Posts: 180
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From: Inez kentucky
Car: 87 iroc z
Engine: 358 tpi
Transmission: 700r4 with transpack
Axle/Gears: 3.42 with powertrax
Re: 86' Iroc Z28 posi?????

the powertrax?It locks the rear wheels together in stright line accel with no slip for 2 killer black marks if that what you want to do but i got it so i wont spin so bad comeing off the line
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Old May 12, 2009 | 09:48 PM
  #6  
nghanie's Avatar
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From: longisland NY
Car: 86' Z-28 Iroc Camaro
Engine: V8 5.0
Transmission: Automatic
Re: 86' Iroc Z28 posi?????

oh ok so how do i "pull the inspection cover to look"
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Old May 12, 2009 | 09:51 PM
  #7  
nghanie's Avatar
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From: longisland NY
Car: 86' Z-28 Iroc Camaro
Engine: V8 5.0
Transmission: Automatic
Re: 86' Iroc Z28 posi?????

oh lol so how much did that cost?
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Old May 12, 2009 | 10:00 PM
  #8  
hwcoll95's Avatar
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Joined: Mar 2002
Posts: 587
Likes: 1
From: middle TENNESSEE
Car: 1989 Iroc rebuild
Engine: 355 carb'd
Transmission: 5spd
Axle/Gears: 3:08 pos for a while
Re: 86' Iroc Z28 posi?????

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Old May 12, 2009 | 10:03 PM
  #9  
nghanie's Avatar
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From: longisland NY
Car: 86' Z-28 Iroc Camaro
Engine: V8 5.0
Transmission: Automatic
Re: 86' Iroc Z28 posi?????

thats sick, but where did you get those parts??
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Old May 12, 2009 | 10:08 PM
  #10  
hwcoll95's Avatar
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Joined: Mar 2002
Posts: 587
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From: middle TENNESSEE
Car: 1989 Iroc rebuild
Engine: 355 carb'd
Transmission: 5spd
Axle/Gears: 3:08 pos for a while
Re: 86' Iroc Z28 posi?????

all stock it's an '89 3:08 pos unit
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Old May 12, 2009 | 10:11 PM
  #11  
nghanie's Avatar
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Joined: Jan 2009
Posts: 15
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From: longisland NY
Car: 86' Z-28 Iroc Camaro
Engine: V8 5.0
Transmission: Automatic
Re: 86' Iroc Z28 posi?????

ohhh ok ok i see so is that a good posi? do both wheels spin when doing a burnout?
Originally Posted by hwcoll95
all stock it's an '89 3:08 pos unit
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