135mph, stock internal 2.8, simple stuff like underdrive pully/lowered.
Best! Ben.
------------------ Ben Cannon 88 Formula, T-top, Metalic Red. (2:13.138 at Sears Point) "Every Man Dies, not every man really Lives" 88 Formula, Northstar, Silver, In-Progreess. -Mel Gibson, "Braveheart"
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02:32 AM
FieroRacer Member
Posts: 672 From: Lakeside, Ca, USA Registered: Aug 2001
Stock 1988 Formula with a 5-speed, pedal to the floor, on a 6 mile run over a dry lake bed = 123.77 mph with no wind (SCTA timed). (ambient tempurature outside was 81 degrees).
In a stock 4-speed Indy (with a 120 speedo spliced in temporarily) 105 MPH flat out. Not officially timed, so give or take 2 mph for speedo error.
1984SE With 1995 3100SFI V6 and Isuzu 5SPD, Along with apache rear wing, Trans Am hood vents, very healthy factory suspension. Have paced my buddies 85 Corvette up to 140 MPH then passed when he refused to push it any more. Oh yea and home made front valence.This on empty highway in middle of the night with someone running blocker 2 miles ahead.
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03:25 PM
86fierose Member
Posts: 4086 From: Livonia, Michigan Registered: Feb 2002
My '88 Coupe with the 2.5L Duke and Isuzu 5 spd will cruise at 85 MPH @ 3000 RPM.. No idea what the top speed is 'cuz the speedo only goes to 85 (I guess I could figure it out with the Tach, knowing the tire size and overall gear ratio).
My 5.7L GTA has been up to 145 MPH (In Montana before they had speed limits )
------------------ 1988 Fiero Coupe 2.5L 1990 Trans Am GTA 5.7L
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04:40 PM
Jan 4th, 2003
30+mpg Member
Posts: 4061 From: Russellville, AR Registered: Feb 2002
I dont know what is all done to my 2.8, or if it is even a 2.8 anymore, but I smoked an 86GT with a 3.1 in it. I know I hvae a larger throttle body, but other than that, no clue... I had no information on the car when I bought, the guy didnt even know it had an alarm system.
I have a 140KMH gauge, and I had it wrapped back to 0. I dunno how fast that is... 190 KMH? That is the only and last time I am doing that too, roads suck around here.
------------------ Thanks hallsman!
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07:55 PM
Morninglight Member
Posts: 449 From: The Netherlands Registered: Aug 2002
My 4 banger runs well past the 85mph mark... it runs into the redline wenm redaing just over straight down on the speed-o-meter... the speedometer functions withing 5% accoring to signs I pass along the road whoch show your speed...
120mph speedo was clocked out and danceing needles were present
------------------ 1986 Fiero SE www.2m6performance.tk Let me tell you what Melba Toast is packin' right here, alright. We got 411 Positrac outback, 750 double pumper Edelbrock intakes, bored over 30, 11 to 1 pop-up pistons, turbo-jet 390 horsepower. We're talkin' some fu*kin' muscle!
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09:14 PM
Jan 7th, 2003
30+mpg Member
Posts: 4061 From: Russellville, AR Registered: Feb 2002
not to incrminate myself, but i know my baby will go past 120 if i dared...
3.4l
4 speed with i belive 4.10 gears... could be wrong, but i dont like how the car behaves around 85+, it just seems to light on the front end for my taste, maybe after i get the scoops i will try it again, i just love getting it to 60 in second omg thats just awsome
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04:41 PM
Jan 8th, 2003
TennT Member
Posts: 1523 From: Humboldt, Tenn Registered: Nov 2002
I had the same problem, Preditor. I have an 88 GT and it just didn't feel right at 85. I am going to have an alignment and bushing check done and see. Has anyone ever run with the front hood unlatched to let the air press out? I know that sounds a little weird but the airflow across the top might hold the hood down to a "Kilroy was here" height!
Sincerely????
T
------------------ __________________________ 88 GT V6 Fleet white
DIY Leather Interior Available
Shipping weight..1200-1500 lbs.
300 styles to choose from, and Discounted Kits available.*
*Note: All Discounted KitsMustbe shipped refrigerated
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02:17 PM
Jan 9th, 2003
30+mpg Member
Posts: 4061 From: Russellville, AR Registered: Feb 2002
I only had the balls to bring it up around 115mph (my tires were getting old). I don't know about anyone else but when I go 90+ it still feels like I'm doint 65mph. I guess it could be due to my suspension etc.
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02:34 AM
jbigie Member
Posts: 429 From: Corvallis, OR USA Registered: Jan 2002
The cops are probably getting ready to write out and mail us all tickets ya know?
With my tweaked 2.8 & getrag, I feel safe (?!) pulling 140 in 3rd, 190 in 4th, and then I run out of road and speedo, but it keeps pulling up to what I figure would be 230 or 240 in 5th.
------------------ 87/88 V6 5spd Notchback Hybrid If I've helped you - rate me please! My page: http://www.fieroclub.com
[QUOTE]watts: The cops are probably getting ready to write out and mail us all tickets... With my tweaked 2.8 & getrag,... pulling 140 in 3rd, 190 in 4th, and then I run out of road and speedo, but it keeps pulling up to what I figure would be 230 or 240 in 5th./QUOTE] Here in USA, the cops must catch you speeding in order to write a ticket.
I think Watts is talking in KILOMETERS PER DAY.
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02:46 PM
30+mpg Member
Posts: 4061 From: Russellville, AR Registered: Feb 2002
Originally posted by 30+mpg:Here in USA, the cops must catch you speeding in order to write a ticket.
I think Watts is talking in KILOMETERS PER DAY.
So if I admitted here to killing a guy, they wouldn't drop by and arrest me?? Cool! heh...
But to be on the safe side... Uhhh... yeah, I was talking about distance travelled in each gear! Yeah, yeah, that's the ticket!
I have a nice little 1/2 mile stretch of dead straight road (no cross streets, industrial area, etc) that I use as a little 'test track' down the road from me. I can get the Fiero up to about 210 or so - or I can bury the 270 speedo on my bike.
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10:00 PM
Jan 11th, 2003
DKOV Member
Posts: 1564 From: Portland, OR, USA Registered: Mar 2001
(I guess I could figure it out with the Tach, knowing the tire size and overall gear ratio).
