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Author
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Topic: top speed
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9cobra9
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Member # 4470
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posted
 
 
i have a 99 cobra with 4.10 gears, what is my top speed? thanks.
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Red 1999 Cobra #1227
cai, bbk headers, offroad h-pipe, short shifter, 3.73's, magnaflow mufflers, LTW flywheel and 04 cobra clutch,
co-owner of PWA
Posts: 1145 | From: Fremont | Registered: May 2004
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1fast281
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Member # 4670
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posted
about 160mph, if your stock driveshaft can handle it that is.
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1998 Mark VIII LSC Black/Graphite
2005 Pontiac GTO Silver/Black
Posts: 578 | From: north bay | Registered: Jul 2004
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Blue97GT
New Member
Member # 4241
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posted
jus askin but im gettin 410s in my 97GT. will i have any problems goin 160?? i have an aluminum driveshaft. BTW, 9cobra9, how do the gears feel? big difference from the 327s??
Posts: 0 | Registered: Mar 2004
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03SVTPower
CAFords OG
Member # 518
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posted
Are you guys frickin kiddin me??? When do you guys ever plan on goin 160mph?
![[Eek!]](eek.gif) ![[Roll Eyes]](rolleyes.gif)
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2003 Redfire "AED" Cobra R.I.P
Posts: 3481 | From: Nor-Cal | Registered: Oct 2001
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94gt
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Member # 3060
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posted
quote:
Originally posted by 98StangPower:
Are you guys frickin kiddin me??? When do you guys ever plan on goin 160mph?
on the open highway, where there are no cops ![[Razz]](tongue.gif)
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2020 Explorer ST
2011 Silver Raptor 'Screw
Posts: 5777 | From: Beavercreek, OH | Registered: Jul 2003
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03SVTPower
CAFords OG
Member # 518
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posted
quote:
Originally posted by 94gt:
quote:
Originally posted by 98StangPower:
Are you guys frickin kiddin me??? When do you guys ever plan on goin 160mph?
on the open highway, where there are no cops
You ever in Vacaville?
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2003 Redfire "AED" Cobra R.I.P
Posts: 3481 | From: Nor-Cal | Registered: Oct 2001
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1fast281
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Member # 4670
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posted
quote:
Originally posted by Blue97GT:
jus askin but im gettin 410s in my 97GT. will i have any problems goin 160?? i have an aluminum driveshaft. BTW, 9cobra9, how do the gears feel? big difference from the 327s??
If you have as much HP as a 99 Cobra I don't see why not, unless the GT has a fuel cut off?
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1998 Mark VIII LSC Black/Graphite
2005 Pontiac GTO Silver/Black
Posts: 578 | From: north bay | Registered: Jul 2004
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Blind
2.3L
CAFords OG
Member # 3052
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posted
fyi - 97 gt's...not the fastest cars in the world.
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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5OHS5OH
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Member # 4665
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posted
Please tell me your running Z rated tires even if your thinking of trying to go that fast ?
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89 Convertable GT
BBK Headers, cai
Posts: 1044 | From: San Bruno | Registered: Jul 2004
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slidewayz94
CAFords OG
Member # 3101
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posted
Trying to going 160 is a death wish
Posts: 4251 | From: Sac | Registered: Jul 2003
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cobraracer46
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Member # 1142
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posted
Top speed goes down with lower gears. As an example, a 2.73 geared car will top out higher than a 4.10 car. Lower gears are for acceleration, not top speed. Ford publishes a top speed of 150 MPH for a 99 Cobra, so 160 will not happen with a 4.10 gears and road and track had a top speed shoot out a few years back and a 96 gt could only reach 134 MPH. The fast top end Mustangs Ford built were the 2000 Cobra R with a top speed of 177+ and the 2003-2004 cobra that was electronicaly limited to 155mph. Testing and published road test results have shown that SN 95 chassis mustang needs about 450 HP to reach 180 miles an hour, but once the vehicle aproches 200 MPH, over 750 HP is needed.
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2001 SVT cobra convertible with a Viper T56, Fikse wheels, Griggs frame kit, roll bar, Vortech, 4:30 gears, brembo GT brakes and more.
Posts: 1172 | From: Woodside California | Registered: Apr 2002
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TRIXSNK
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Member # 2844
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posted
WOW....that's insane!!!!!!!!
Be careful.....anything moving that fast is dangerous to everything especially on on our freeways.
I understand a quick jaunt to 100-120 but 160 i would imagine aerodynamics have a lot of influence tring to get to those speeds.
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9 Sec EVO 9 is GONE!
New project in the works.......
Posts: 3740 | From: Bay Area | Registered: May 2003
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1fast281
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Member # 4670
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posted
quote:
Originally posted by cobraracer46:
Top speed goes down with lower gears. As an example, a 2.73 geared car will top out higher than a 4.10 car. Lower gears are for acceleration, not top speed. Ford publishes a top speed of 150 MPH for a 99 Cobra, so 160 will not happen with a 4.10 gears and road and track had a top speed shoot out a few years back and a 96 gt could only reach 134 MPH. The fast top end Mustangs Ford built were the 2000 Cobra R with a top speed of 177+ and the 2003-2004 cobra that was electronicaly limited to 155mph. Testing and published road test results have shown that SN 95 chassis mustang needs about 450 HP to reach 180 miles an hour, but once the vehicle aproches 200 MPH, over 750 HP is needed.
I can't believe you own a Cobra yet you don't know what it is capable of. With 4.10 gears, you top out in 5th gear instead of 4th like with 3.27, so yes any stock 96-01 Cobra with 4.10 gears can reach 160mph, this is a fact.
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1998 Mark VIII LSC Black/Graphite
2005 Pontiac GTO Silver/Black
Posts: 578 | From: north bay | Registered: Jul 2004
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9cobra9
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Member # 4470
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posted
first, their is a huge differance with 4.10's than stock. the first gear is shit. i just barely touch the pedal and the rpms are at 5500. but i love it because it makes me unbelievably quicker. i would say that if your car is a daily driver, not just fun on the weekends then DONT get them get like 3.73. i have toped my car out on san mateo bridge the speedomiter hit 160 bounced a bit and repeadedly did so until i tached out in 5th. but the speedomiter is off by a bit so i just wanted to know about what speed i hit. by the way im running z rated in front and y (185+) rated in the rear, so i trust what im runnin on.
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Red 1999 Cobra #1227
cai, bbk headers, offroad h-pipe, short shifter, 3.73's, magnaflow mufflers, LTW flywheel and 04 cobra clutch,
co-owner of PWA
Posts: 1145 | From: Fremont | Registered: May 2004
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BlackNGold
CaliforniaFords.com
Moderator
Member # 655
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posted
Well, here you go boys and girls... ![[Big Grin]](biggrin.gif)
If you have a 245/45-17 (standard on Cobra's and on most Stangs now) you have a tire that measures 25.68"....If you have a T5 (not T45) and have 4.10's with a 25.68" tire you need around 5,900rpm's to go 160mph...
That's is mathmatically not including wind resistance and other factors....Mathmatically 5,900rpm and 25.68" tires and 3.27 gears, in 5th you could go 202mph...lol
Basically, there are a lot of factors to contibute to your top speed...3.27's kill the torque on the 4v's and that is one reason why the 4.10's will make you go faster...Most stock 5.0's don't pull much past 4,200 because that's just the power band...I was able to hit 150mph+ @ 5,xxxrpm with my 94 with 3.55's, if I had 3.73's I would've tach'd out sooner and most likely not even hit 145mph...
Here are a few links..
http://www.mustangworks.com/analyzer.html
http://www.diferentials.com/calculators/calctireh.html
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-SLOWER TRAFFIC KEEP RIGHT-
Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001
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cobraracer46
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Member # 1142
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posted
[/qb][/QUOTE]I can't believe you own a Cobra yet you don't know what it is capable of. With 4.10 gears, you top out in 5th gear instead of 4th like with 3.27, so yes any stock 96-01 Cobra with 4.10 gears can reach 160mph, this is a fact. [/QB][/QUOTE]
I belive you are incorrect ![[Smile]](smile.gif)
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2001 SVT cobra convertible with a Viper T56, Fikse wheels, Griggs frame kit, roll bar, Vortech, 4:30 gears, brembo GT brakes and more.
Posts: 1172 | From: Woodside California | Registered: Apr 2002
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166 Merlo
FELONY
MOTORSPORTS
Member # 1549
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posted
160 on a bridge? You're trippin.
I've been to 160 and back... that shit was nuts ![[patriot]](graemlins/patriot.gif)
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'89 - Boss Coupe
'70 - Drop Cutthang
'68 - Cougnut
'87 - 0166, Its real
Posts: 3953 | From: Thebay | Registered: Jul 2002
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66 AC COBRA
Nitrous King
Member # 904
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posted
quote:
Originally posted by 87 Saleen:
160 on a bridge? You're trippin.
I've been to 160 and back... that shit was nuts
that bridge is flat, smooth, and staright as an arrow for about 5 miles if i remember right
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FFR AC Cobra
72 Vega - WCHRA Extreme 10.5
Posts: 6280 | From: Winters | Registered: Feb 2002
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Blind
2.3L
CAFords OG
Member # 3052
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posted
the san mateo (92) bridge is not straight at all.
its bumpy as shit, and has an elevation change of about 100 feet, there is a section where it is straight on the east bay side, but I would never go that fast on that bridge, its always windy as hell on there.
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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TRIXSNK
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Member # 2844
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posted
quote:
Originally posted by blind:
the san mateo (92) bridge is not straight at all.
its bumpy as shit, and has an elevation change of about 100 feet, there is a section where it is straight on the east bay side, but I would never go that fast on that bridge, its always windy as hell on there.
With all the metal gap spacing and wind....maybe on the down-slope coming from the city back to the east bay but still have too many memories of people hittin the wall on that bridge...myself included.
Ever notice how hypnotic the lights are on the bridge at about 2-4 in the mornin coming back from the city? It seems like forvever until you get to the toll plaza.
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9 Sec EVO 9 is GONE!
New project in the works.......
Posts: 3740 | From: Bay Area | Registered: May 2003
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PeNiNsula302
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Member # 1061
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posted
quote:
Originally posted by 87 Saleen:
I've been to 160 and back... that shit was nuts
agreed
Posts: 3423 | Registered: Mar 2002
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9cobra9
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Member # 4470
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posted
the bridge is really strait for a long while, and not very bumpy. but i will admit i got lucky. because once i was doing about 90. and a gust of wind hit me and i was so close into running into a wall. but it was on the high part of the bridge. and lately there have been a lot of cops posting up over there.
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Red 1999 Cobra #1227
cai, bbk headers, offroad h-pipe, short shifter, 3.73's, magnaflow mufflers, LTW flywheel and 04 cobra clutch,
co-owner of PWA
Posts: 1145 | From: Fremont | Registered: May 2004
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Fostang
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Member # 3752
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posted
quote:
Originally posted by PeNiNsula302:
quote:
Originally posted by 87 Saleen:
I've been to 160 and back... that shit was nuts
agreed
I loved it
Did it in a Supra.
Freakin thing felt like it was on air for a bit hydroplaning is the best example I can give you, so I cut it off.
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67' Fastback TT 408
67' Camaro Lsx
64' Corvette Fuelie
57' Chevy Bel Air Lsx
68’ Pony Convertible
66’ Pony Coupe
Posts: 3011 | From: Stockton/Danville | Registered: Nov 2003
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66 AC COBRA
Nitrous King
Member # 904
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posted
quote:
Originally posted by Fostang:
quote:
Originally posted by PeNiNsula302:
quote:
Originally posted by 87 Saleen:
I've been to 160 and back... that shit was nuts
agreed
I loved it
Did it in a Supra.
Freakin thing felt like it was on air for a bit hydroplaning is the best example I can give you, so I cut it off.
well i did 175 in your pinto wagon down the street infront of ur house ![[Whoo Whooooo!]](graemlins/woowoo.gif)
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FFR AC Cobra
72 Vega - WCHRA Extreme 10.5
Posts: 6280 | From: Winters | Registered: Feb 2002
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season'd 88
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Member # 169
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posted
[ November 06, 2006, 02:04 AM: Message edited by: season'd 88 ]
Posts: 1383 | Registered: Feb 2001
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