Different Z28 wings...
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Joined: Jul 2009
Posts: 752
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Car: 1991 Z28
Engine: 5.7 TPI
Transmission: 700R4
Different Z28 wings...
Does anyone know the reason some 91 z28s seem to have a rear wing with two center supports, while others have a rear wing that does not? I was wondering if it was a model change or just an optional difference...
Senior Member
Joined: Sep 2009
Posts: 516
Likes: 1
From: Downers Grove, IL
Car: 91 Z28 / 04 GTO
Engine: GMPP 350 TPI / LS1
Transmission: WC T5 / T56
Axle/Gears: 3.23 / 3.46
Re: Different Z28 wings...
The high rise spoiler was only available on the 91-92 Z28's. GM never made a factory spoiler without the two center supports, so anything else you may have seen could be after market.
Thread Starter
Senior Member
Joined: Jul 2009
Posts: 752
Likes: 1
Car: 1991 Z28
Engine: 5.7 TPI
Transmission: 700R4
Re: Different Z28 wings...
That's weird... I ran the vin through Carfax of one I am looking at right now and it came up as a 1991 Z28. The wing on the back looks factory, but does not have the center supports.
Senior Member
Joined: Sep 2009
Posts: 516
Likes: 1
From: Downers Grove, IL
Car: 91 Z28 / 04 GTO
Engine: GMPP 350 TPI / LS1
Transmission: WC T5 / T56
Axle/Gears: 3.23 / 3.46
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Joined: Sep 2004
Posts: 5,906
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From: Chicagoland Suburbs
Car: 1989 Trans Am GTA
Engine: LT1, AFR 195cc, 231/239 LE cam.
Transmission: M28 T56
Axle/Gears: 3.23 10bolt waiting to explode.
Re: Different Z28 wings...
About the only mechanical thing the VIN will tell you is which engine its supposed to have.
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