How much does a 1987 firebird formula weigh?
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Joined: Oct 2005
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From: Waldorf, MD
Car: 91 Formula, 89 IROC
Engine: LB9, LB9
Transmission: 700R4, 700R4
Axle/Gears: Posi 2.73, Posi 2.73
Re: How much does a 1987 firebird formula weigh?
My 91 weighs 3505 with me in it and I weigh around 140 pounds.
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Joined: Feb 2007
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From: SOUTHERN ALBERTA
Car: 1987 IROC-Z
Engine: 310 lb9
Transmission: SEMI STOCK 700R4
Axle/Gears: 3.45 9 BOLT
Re: How much does a 1987 firebird formula weigh?
fully optioned and a full tank of gas without driver 3500-3600lbs some maybe more
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Joined: Apr 2003
Posts: 580
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From: CHICAGO
Car: 89 FORMULA 350
Engine: 5.7 L98
Transmission: 700R4
Axle/Gears: 9 BOLT/ 3.27 GEARS
Re: How much does a 1987 firebird formula weigh?
3500-3,600 seems a lil high for a Formula. I'd say most weigh in between 3300-3,400 with a full tank of gas.
Senior Member
Joined: Oct 2005
Posts: 874
Likes: 0
From: Waldorf, MD
Car: 91 Formula, 89 IROC
Engine: LB9, LB9
Transmission: 700R4, 700R4
Axle/Gears: Posi 2.73, Posi 2.73
Re: How much does a 1987 firebird formula weigh?
mine had maybe a 1/4 tank if I was lucky. I weighed it at the track. Mine has all options, even power antenna.
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Joined: Apr 2004
Posts: 1,077
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From: Denver, CO
Car: cleanest '86 sport coupe around!!
Engine: 355ci twin 66mm turbos on e85
Transmission: built rmvb th400 w/ t-brake
Axle/Gears: 3.23
Re: How much does a 1987 firebird formula weigh?
the formulas were slightly lighter at around 3350-3450lbs but the cow of the 3rd-gen fbody is the GTA, not uncommon for those things to weigh 3600-3800 sometimes without driver!
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Joined: Jan 2007
Posts: 206
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From: Huntley, Il
Car: 89 ws6
Engine: 355 afr195, hsr,gmpp cam, hs rr,
Transmission: t-5
Axle/Gears: 3.08
Re: How much does a 1987 firebird formula weigh?
My 89 formula with glass t-tops, t-5, tpi 355 roll up windows, manual door locks, ac. with msd ingnition, kenny brown subframe connectors, and hotchkiss lca,s and panhard rod weighed in at exactly 3320 with race weight in gas which was below a 1/4. I have since put aluminum heads and water pump(which by the way do not drop as much weight as everyone thinks) So i am just about 3300 even.
Last edited by shocker89bird; Jan 7, 2008 at 02:51 PM. Reason: forgot some things.
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