Lo3 vs thunderbird
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Joined: May 2008
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From: Yelm,WA
Car: 1990 Pontiac Firebird
Engine: 305 5.0 TBI
Transmission: 700R4
Axle/Gears: 2.73 Open Diff.
Lo3 vs thunderbird
so my Friend has an early 90's Thunderbird with the v8 5.0 all stock Automatic. i looked his car up and its seems they got like around 210 horsepower or something but his car seems alot heavier than mine. I figured he would win anyways but i just want opinions on who would win and if any of you have raced one?
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Joined: Feb 2006
Posts: 499
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From: Rock Hill, SC
Car: 91 GTA
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: stock
Re: Lo3 vs thunderbird
i raced one with the 4.6 in my L03 (mods in sig). the t-bird had a catback exhaust and some port work on the heads. i also had a full tank of gas and my 250+ lb brother in the car. we both spun really bad off the line and by about the 1/8 or so, he had about 2 on me. i honestly think that you could take one of the 5.0s
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Member
Joined: May 2008
Posts: 153
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From: Yelm,WA
Car: 1990 Pontiac Firebird
Engine: 305 5.0 TBI
Transmission: 700R4
Axle/Gears: 2.73 Open Diff.
Re: Lo3 vs thunderbird
Right on. I was just wondering because ive rode in one and there pretty quick but they don't seem AS fast as my car...
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From: michigan
Car: 92' firebird
Engine: L03
Transmission: 700R4
Axle/Gears: 10 bolt POSI 3.73's
Re: Lo3 vs thunderbird
I raced a 90's thunderbird with my stock LO3 and got a car length and kept it I had a good launch tho
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From: Detroit
Car: 1989 Iroc-Z
Engine: 383 FFI
Transmission: TKO600
Axle/Gears: 3.42
Re: Lo3 vs thunderbird
Those cars really arn't that fast. I owned one for a few weeks (just for profit. drove it while i tried to sell it), and even my half dying 305TPI would kick its butt all over town and back, so i'm guessing you could take him. If not it would be close.
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m3baller
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Jun 13, 2001 01:07 AM




