Trans am wheel weight
Joined: May 2012
Posts: 443
Likes: 117
From: Arcadia, OK
Car: 1990 Pontiac Firebird Formula
Engine: L31 350 TPI
Transmission: Tremec TKX
Axle/Gears: 3.23 Posi
Re: Trans am wheel weight
I can tell you that when I had tires mounted on those wheels (like in your photo), total weight was ~50 lbs. When I swapped the tires to OEM GTA wheels, total weight was ~40 lbs. I believe the GTA wheels are ~17 lbs and the Trans Am/Formula convex wheels are ~26 lbs. Those are pretty much the heaviest OEM third gen wheels.
Joined: Sep 2004
Posts: 5,906
Likes: 240
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: Trans am wheel weight
Half the reason the cross lace rims came about was to keep the weight under the gas guzzler tax limit. 
Joined: Jan 2004
Posts: 2,960
Likes: 377
From: Las Vegas
Car: 1987 Formula (original owner)
Engine: 305 TPI
Transmission: T5
Axle/Gears: 9-bolt/3.45
Re: Trans am wheel weight
I have a spare 16" convex rear wheel, weighs 24.4#. A front wheel will weight a little more, probably about 25#, due to its thicker mounting surface.
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