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Old Aug 23, 2001 | 12:02 AM
  #1  
Mac's Avatar
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From: Mokena, IL USA
Car: 91 RS
Engine: 350 H.O.
Transmission: 700r4
Iroc wheels

I just have kind of a pointless question, but out of curosity what is the difference between the 85-87 iroc wheels, and the 88-90 iroc wheels. Is it just the size or is the design different or what? Thanks

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1991 teal camaro RS rebuilt 96 350 marine motor, comp cam, accel ignition,8mm accel plugs and wires, flowtech headers, stock exhaust, and rear end. (2.73)
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Old Aug 23, 2001 | 09:57 AM
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besides the 88-90 being uglier, , they're the same size just different looking

[This message has been edited by prepz28 (edited August 23, 2001).]
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Old Aug 23, 2001 | 11:48 AM
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AntiVTEC's Avatar
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Personally, i like the 88-90 better since they got a smoother center hub and smoother look period. although the single stripe thing is cool too on the 85-87
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Old Aug 23, 2001 | 03:55 PM
  #4  
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From: Mokena, IL USA
Car: 91 RS
Engine: 350 H.O.
Transmission: 700r4
so is that basically the only difference, one has one stripe and one has two?

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1991 teal camaro RS rebuilt 96 350 marine motor, comp cam, accel ignition,8mm accel plugs and wires, flowtech headers, stock exhaust, and rear end. (2.73)
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Old Aug 23, 2001 | 08:02 PM
  #5  
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the 88-90 is "rounder" so to speak. the spokes on the 85-87 are straight, it's hard to explain.
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Old Aug 23, 2001 | 10:27 PM
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Aren't the 88-90 double ribbed "for her pleasure" offered in 15's (as well as 16's). I was gonna buy a set until i saw them. They ended up being 15's...blah!!!

By rounder ... SC88 means that the 88-90 face is concave "rounds in" in while the 85-87 angles in if you look at the wheel from an angle. Also for me...the 87's just look biger for some reason.
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Old Aug 24, 2001 | 02:30 AM
  #7  
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From: CT
Car: 85 Trans Am WS6
Engine: 305HO L69
Transmission: T5
85-87
88-90
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Old Aug 24, 2001 | 11:16 AM
  #8  
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
There's another minor difference: 85-87 wheels have center caps that measure 2 1/2", while 88-89s are 2 1/8". This info from the Classic Industries.

JamesC

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