91 Firebird vs 02 Mustang
07-15-2006, 12:05 AM
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Car: 91 GTA
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91 Firebird vs 02 Mustang
I have a 91 Firebird 305 TBI auto, all stock except for new plugs, wires, rotor and cap. There is a person that I work with that has an 02 Mustang V6 3.8. I have run him before in my 94 Camaro (see sig.) but unfortunately didnt get to rape him in my 86 
, but thats not the point. In my 94 we were pretty even throughout(bout a 1/8 mile race more or less) on damp roads. I am debating whether to challenge him to take me in my new Firebird. The Mustang is an auto and has a high flow airfilter, plugs and wires, and a 2.5''(i think) cat-back system. I pretty much know the outcome of this one, but i was wondering how bad will it be?
Also, I will be getting a full exhaust done to this car as soon as the money comes in along with getting all the smog stuff taken out. After i do this, will I be able to take him or will it just be less shameful of a loss?
, but thats not the point. In my 94 we were pretty even throughout(bout a 1/8 mile race more or less) on damp roads. I am debating whether to challenge him to take me in my new Firebird. The Mustang is an auto and has a high flow airfilter, plugs and wires, and a 2.5''(i think) cat-back system. I pretty much know the outcome of this one, but i was wondering how bad will it be? Also, I will be getting a full exhaust done to this car as soon as the money comes in along with getting all the smog stuff taken out. After i do this, will I be able to take him or will it just be less shameful of a loss?
07-15-2006, 08:57 AM
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Car: 1991rs camaro/intrigue 3.5 dohc mfi
Engine: 305
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Axle/Gears: 3.42
the neww exuest should give you a 30 to 50 horsepower increase ittle be close dont shift till 7000rpms
07-15-2006, 09:03 AM
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Car: 91 Formula, 89 IROC
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I guess so lol, anyway yeah it wouldnt be a bad race, I just never see any fast 3.8's unless they have internal work or a blower so you may have a chance. After the exhaust though, ill give you the advantage then.
07-15-2006, 09:40 AM
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Car: 91 GTA
Engine: 350 TPI
Transmission: 700R4
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Originally Posted by kcstoltzmn1
the neww exuest should give you a 30 to 50 horsepower increase ittle be close dont shift till 7000rpms
Last edited by 86firebird350; 07-15-2006 at 05:37 PM.
07-15-2006, 10:23 AM
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A full exhaust on an LO3 car is worth around 20hp. Don't shift anything past 5k. Your motor makes peak power at around 4700 rpm's and letting it rev much higher beyond that will slow you down. Your combo should be a solid mid to low 15 second recipe and you should be able to beat that stang.
07-15-2006, 01:58 PM
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Car: 1999 Saturn SL2
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What's up with all the new guys saying "Don't shift until you reach 8000 RPM!"? Most of us already know any stock third gen runs out of gas well before 5000 RPM.
07-15-2006, 04:30 PM
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Car: ws6
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Originally Posted by kcstoltzmn1
the neww exuest should give you a 30 to 50 horsepower increase ittle be close dont shift till 7000rpms
25 at most. Shift around 4700-4800. Now on the other hand a sticker kit will add around 65-70hp.
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07-15-2006, 05:04 PM
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Car: 91 Formula, 89 IROC
Engine: LB9, LB9
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Originally Posted by 89IrocZ350TPI
25 at most. Shift around 4700-4800. Now on the other hand a sticker kit will add around 65-70hp.
07-15-2006, 06:19 PM
#10
Being your TBI, he may give you a run, but you'll take him. I've raced a couple of those mustangs in my 3.1(stock), and they crept past me. One was 02' 5speed v6, the other was an 02' auto vert v6...you'll take them off the line as I do everytime. From there they come back slowly.
07-15-2006, 06:28 PM
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Car: '92 Toyota Pickup
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Originally Posted by CharcoalBird
Being your TBI, he may give you a run, but you'll take him. I've raced a couple of those mustangs in my 3.1(stock), and they crept past me. One was 02' 5speed v6, the other was an 02' auto vert v6...you'll take them off the line as I do everytime. From there they come back slowly.
That's cause you have that crazy final ratio in first gear.
07-15-2006, 09:00 PM
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Car: 88 Sportcoupe camaro
Engine: forged 355
Transmission: th350
shifting at 8k
You know there may be a explanation behind the guys thinking they shift that high 
on a good amount of thirdgens the tach is WAYYY off. When I go about half throttle my tach reads past 7k 
Just a thought.
- Charlie
on a good amount of thirdgens the tach is WAYYY off. When I go about half throttle my tach reads past 7k Just a thought.
- Charlie
07-15-2006, 09:32 PM
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Car: '72 Chevy Nova
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Originally Posted by kcstoltzmn1
the neww exuest should give you a 30 to 50 horsepower increase ittle be close dont shift till 7000rpms
07-15-2006, 11:34 PM
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Car: '92 Camaro RS
Engine: LO3
Transmission: 700R4
Axle/Gears: 2.73 open diff
I raced an automatic '96 Mustang GT and beat him by a fender with my nearly stock automatic LO3. I also beat an automatic '05 Mustang V6. All I really have is a dual snorkel, 3'' Flowmaster catback (w/ no cat) and I'd say at least 10* advanced timing. I'm not sure why so many LO3 guys are running high 16's at the track, because I don't have any problems keeping up with cars that run in the 15's.
Basically, it might be close, but I'd think that you'd probably get the win. Get a full exhaust and there won't be any doubts.
Basically, it might be close, but I'd think that you'd probably get the win. Get a full exhaust and there won't be any doubts.
07-19-2006, 10:56 PM
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Car: '87 Camaro LT
Engine: 355 L98
Transmission: T56
I had one of those '87 Cobra GT's. I was able to get the race package through a buddy in Dearborn where they did the development for it. Came with a 3/4 race cam and trunkator kit for the intake. I guess they were having a lot of problems with the welds on the intakes blowing off from the increased boost so they slapped that on there. I only managed a 12.34 with it stock but it wasn't really set up for drag racing.
07-20-2006, 08:42 AM
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Car: 1991 Z28
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I really shouldn't bother..........but I thought Ford starting putting the "Cobra" insigna back on the 1993. With the 17" wheels and GT40 intake etc. Except for the 60's cars of course.
07-20-2006, 11:23 AM
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Car: 1984 Trans Am
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If you would like to discuss your 87 Cobra GT please go to: Northeast Thirdgen F-Body Home Page!.
Apache John. IIRC Fox bodied Cobra's were built in 79, and reintroduced in 93, as you said.
Apache John. IIRC Fox bodied Cobra's were built in 79, and reintroduced in 93, as you said.
Last edited by TAdan; 07-20-2006 at 11:30 AM.
07-20-2006, 11:39 AM
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Hey kcstoltzmn1
Direct from Ford. Therer was no cobra in 1987 you tool.
Direct from Ford. Therer was no cobra in 1987 you tool.
Originally Posted by Ford
With Mercury's Capri out of production after the 1986 model year, Ford simplified Mustang production in 1987 by eliminating the V6 engine option, killing the high-priced SVO, and paring down the trim levels to just LX and GT — the coupe in LX only with the hatchback and convertible available in both trims. The front end and taillights were redesigned once again with the GT getting its own grilleless face, flush single headlamps, specific taillights, rear spoiler, urethane side skirts and turbine wheels. But many found the low-key skirtless LX to be the real performance value, as it was offered with all the GT's performance options, but without the look-at-me exterior pieces. Both the LX and GT also got a new interior including an improved dashboard that grouped the instrumentation in a pod in front of the driver.
07-20-2006, 11:42 AM
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Originally Posted by kcstoltzmn1
what are you a moron the 4 .11are in my car the camaro the mustang came stock with a 302 turbo charged v-8 multi port fuel injection corbra gt is one step down from the sallen mustang 5 speed my camaro is a dog waiting for a 409 duel 4 barrels lowrise intake
That's a slick car you have there fella. But if you want a real race, then you have to meet someone with a GNX. There were only 548 of those and came stock with a twin turboed 350. Sweet cars. If you can find the ever ellusive all whites ones, then those are a real treat.
As you can tell I'm jealous. I wish my car came stock with a turbo, then I'd be all over this dude and his puny TBI 305.
I'm really looking forward to seeing pics of that 409 duel 4 barrels lowrise intake. When do you think you'll have it done?
07-20-2006, 05:24 PM
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Car: 1991 Z28
Engine: 350 TPI RAMJET COMING
Transmission: T56
Originally Posted by TAdan
If you would like to discuss your 87 Cobra GT please go to: Northeast Thirdgen F-Body Home Page!.
Apache John. IIRC Fox bodied Cobra's were built in 79, and reintroduced in 93, as you said.
Apache John. IIRC Fox bodied Cobra's were built in 79, and reintroduced in 93, as you said.
07-21-2006, 05:16 PM
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Car: '90 RS
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Originally Posted by articzap
i do believe this forum needs some sort of moderation for everyone that cant stay ontopic, including me
I agree.
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