Govenor - Speed Limiter

[smokinAMD]

The creation of this thread was brought about by the number of post looking to remove the limiter. These threads usually got pretty bad. So from now on this is the thread on the matter. I have searched and merged dozens of these threads into one. So as your reading through it this is why some post may seem out of place. All others started will be closed. If anyone has anything they feel would be a benefit to add to this thread send it to a staff member for review and addition to the thread. ~Grouch



Is there a simple way to do this or is buying a chip the only answer?

I'd like to see what this puppy could hit, topping out at 110ish isn't doing anything for me.

[3.4Alero]

There is no simple way to do it yourself, as far as anyone on here knows. A chip or reprogram is the way to go.

[Redog]

:huh: I heard if you disconnect one of the throttle body cables that leads to a box, that will do it. :unsure:

I've never done it and don't intend to. I'll be buying a chip, Any suggestions? I was thinking about the one on Alero Upgrades.com

[Naich]

Presently, ASE chips are the chips available for the 3400... DHP hasn't finished their tune for us.

[Orion]

got a website for ase ?

[Redog]

Check out this web page, they reprogram your PCM. I think it's better than buying a chip
www.c-yaracing.com (http://www.c-yaracing.com)

[GLSalero99]

try http://www.c-ya-racing.com

[Final-Reality]

Cut and pasted from the j-body.org forums:


Since this question is asked so much, I'm going to write this how-to.


What the VSS is
The VSS (Vehicle Speed Sensor) is a magnetic pickup device that measures the rotation of the output shaft on the transaxle (transmission) then sends an AC voltage signal back to the PCM (powertrain control module) to determine the vehicles speed.


What the VSS Mod does
The VSS mod is the act of putting a switch in-line with one of the wires coming off of the VSS sensor to interrupt the signal being sent to the PCM. Putting a switch inline with the sensor will cut the signal to the PCM, and your car will no longer be able to determine how fast it is going. This also eliminates the signal to your odometer.


Things to think about
There are some very important points that must be considered.

-Safety
Â;-) Â;-) The limiter is there for a reason. The stock suspension/tires/brakes are not designed to be safe at speeds above 108mph. Upgrading your rotors, pads, and suspension are necessary BEFORE doing this mod.

-The law
Â;-) Â;-) Not only is speeding illegal, but it is dangerous to other people on the road. The VSS mod violates many other laws that can bite you in the rear later. One of them is the fact that turning on the VSS switch (cutting the signal to the PCM) will disable the odometer. You've just committed odometer fraud and it is now illegal to sell your car with "actual mileage" marked on the title. It can also land you a huge fine trying to sell the car like that, and instantly and significantly decreases the value of your car.

-GM
Â;-) Â;-) Not only will the VSS mod void any remaining GM warranty on your vehicle, you may not be eligible for recall repairs after performing this "mod."


How to do the mod
What you will need:
-Wire cutters
-2 lengths of wire, around 8ft each (these will get cut smaller).
-1 toggle switch (DO NOT USE A LIGHTED SWITCH)

1. Locate your transmission (if you can't do this, then stop nowÂ;-) ).
2. Locate a sensor with 2 purple wires coming out of it.
2a. On the manual transaxle, there will be 3 sensors. The VSS is the one mounted vertically directly next to one mounted horizontally on the rear left side of the transmission, looking down from the top.
3. Cut one of the purple wires. (It doesn't matter which one) Make sure to leave enough wire on the sensor side to work with.
4. Connect (with a butt connector) one of the lengths 8 ft wire to the sensor side of the purple wire.
5. Connect the other length of wire to the other length of 8 ft wire to the wire that you cut from the sensor.
6. Run these two wires through the firewall into the cabin of the vehicle. (I found the best place is the huge steering wheel grommet)
7. Find a suitable mounting location for the switch and mount the switch.
8. Connect the ends of the wires that you ran into the cabin to each side of the switch (doesn't matter which).

Now, when the switch is ON, the vss will be enabled, and your speedometer will work along with your odometer and speed limiter. When the switch is OFF, the vss will be disabled and your speedometer, odometer, and speed limiter will be disabled.


(To those who know)
Feel free to add/edit as necessary...

-Ron

Note: this mod has been verified to work on the automatic transmissions as well.

[Redog]

try http://www.c-ya-racing.com


Thanks, that's why it didn't work :P

Did anybody try this company? Is this worth it?

[cutlass442dude]

I was just curious....has anyone changed the computer chip in thier 2.4 alero so there is no speed govenor and if so, how fast will it run.

[alero(hed)]

the ase chip will give u about 17hp and take off the governor (it's listed under 2.4L grand am)ase chips (http://www.asechips.com).. my friend has a 2000 altima se 2.4L and has some chip in it... it marks 140mph(like the alero) and his gets up to 131mph b4 topping out... no telling for the alero

[Oldsman]

ASE is it that is available for the 2.4

[jturkey69]

well im gonna try to put a link in here from the ga boards..i thought it was interesting, although i wouldnt do it to my car, but it is a cheap way around the speed govener...but then again...you have to have someone beside ya to tell ya how fast your goin.. http://www.grandamgt.com/forum/showthread....&threadid=27327 (http://www.grandamgt.com/forum/showthread.php?s=&threadid=27327)

[Oldsman]

oh the VSS mod.................that is a ify one for an auto. it works with a manual though.

[Silverknight]

First off you have to have a 2.4L engine for this to work.
http://www.selleasier.com/Pic1.jpg

The first thing you will want to you is to remove the screw holding down the intake box and pull it back like so..

http://www.selleasier.com/Pic2.jpg

Just another angle..

http://www.selleasier.com/Pic3.jpg

This is the connector you must unhook. In order to get to this you must either have skinny arms or a long set of plyers. It is located on top of the transmission. If you look directly down from the top of the engint it will be slightly to your left. A flashlight is recomended to find the connector easier.

http://www.selleasier.com/Pic4.jpg

This pic shows where you should look...

http://www.selleasier.com/Pic5.jpg

Here is a closer view of the connector. There is a piece of plastic that you have to flip up in order to remove it....you can see it here.

http://www.selleasier.com/Pic6.jpg

This is what it looks like when it is disconnected

http://www.selleasier.com/Pic7.jpg

Another angle.

http://www.selleasier.com/Pic8.jpg


Just to let you know, once this is disconnected your engine with throw a SES light but will work just fine. Your speedo will no longer read speed but your tac will still show your RPM....

Hope every one likes this :D :D :) :)

[Orion]

theres no pictures there slick

[Silverknight]

try again, the pics are hosted on my own webspace and should work just fine

[cutlass442dude]

Does the odometer still work when you do this?

[Silverknight]

your speed will display 0 so it is recomended that you either know how fast you are going according to rpm or that you have a GPS system which will read speed

[BLK03GXS]

No the odomiter dose not work with this mod....
Buddy of mine kept his warrnety for an extra 30000 k...lol :P

[krippakrippa]

Is there any way to take out the governer on the 2000 v-6 alero

[Naich]

wrong forum man, moved to general performance. Yes, you can remove it on 3400 engines with an ASE chip. DHP was working on one, but its not out yet.

[smokinAMD]

Originally posted by Naich@Feb 23 2004, 05:39 PM
wrong forum man, moved to general performance. Yes, you can remove it on 3400 engines with an ASE chip. DHP was working on one, but its not out yet.
Where can that item be purchased?

[overdrive75]

Just out of wonder, where are you going to legally open your car up above 107 mph?

[wy3134]

Well I know many places I have wanted to open my car up farther, mainly interstate racing, but I agree for most street use its pointless to spend money solely to eliminate the governor.

[Fast Eddie]

O-tay in looking thorough why the VSS cuts off at 108 and what have ya I have a question.......Has anyone with tires rated for over 108, what is that S rated?, asked the dealer to adjust the speed governor to the rating of the new tires, maybe some Z-rated fun? Just wondering, as this would be a legal and free mod to bypass teh 108 limit, not that nost need to <_<

[overdrive75]

The dealer can't raise that value, it is in the Engine Calibration

[Fast Eddie]

Ok this was answered but what I was wondering is if anyone with tires rated for speed over 108 had asked the dealer to re-calibrate the speed limiter to correspond to the new tire rating. And I forgot what our tires come rated at.

This was based on the fact that according the the docs I saw, the vehicle speed sensor (VSS) tells the PCM how fast you are going and thus when to shut off the fuel/ignition based on what the stock tires are rated at. Basically the PCM shuts the car down b/c the of what the tires are rated at.

[mfuller]

The dealer can not and will not adjust your speed limiter (unless you have just, verifiable cause, such as law enforcement or military use)....and even then, there are special hurdles that you must go directly through GM for.

[99blackalero]

it doesnt matter what the tires are rated at...you could have four spare tires on and the most youd reach is 108, or have the best tires on and still go 108, like mfuller said..GM will not change the limiter for you, or you can just get a computer re-program for your car

[3.4Alero]

Stock, 16" RS-A's come with a "V" rating, if I remember correctly. Not sure about any of the other stock tires.

[CocoaAlero]

Originally posted by 3.4Alero@Mar 12 2004, 04:58 PM
Stock, 16" RS-A's come with a "V" rating, if I remember correctly. Not sure about any of the other stock tires.
I'm sure the stock 15" wheels had S rated tires, Mine came with 16's and also had S rated Eagle LS tires on them. I think there was a sport package or something that came with V rated rubber like 3.4's

[3.4Alero]

Yea, that's what I had

[StealthAlero]

Originally posted by 99blackalero@Mar 12 2004, 04:50 PM
it doesnt matter what the tires are rated at...you could have four spare tires on and the most youd reach is 108.
Depending on what your spare tires are rated. If they aren't rated to exceed 100mph your screwed.

[Final-Reality]

I've posted a relatively easy way to disable the limiter yourself using a simple switch but nobody ever refers to it. OH well..

[Fast Eddie]

If it's the VSS override switch thing its NOT legal, Besides I would want to know how fast I'm going.

[hurstalero]

Whats the best way to ditch the top end limiter on a 3400 series Alero???


Weber

[jabartram]

Get a reprogrammed PCM!

[dadirtybulldog]

use the search engine on this site... but when you seriously hurt yourself, mess up your car, or potentially kill yourself don't blame anyone on this site for showing ya how.... i hope you have some serious mods to your car if your planning on doing this, remember the stoke alero is made to go up to a certain speed to be stable on the road... i gotten mine up hundreds of times to cut-back limit and my car is pretty shakey with stock components... all i can say boys and girls is don't do this mod unless your doing it for some kind of legal racing or unless your one of the true and few bad-ass street modders who actually know it all about your car ... strut braces are a must have if you wanna make corners safely.... be careful and keep modding! :thumbsup:

[Pacho]

Other mods should include buying more than R rated tires because the max speed for stock alero tires are 106 mph, most pirelli's and toyo's are Z rated (149 + mph)
Also, get a better suspension and brake upgrades.

[Sportalero]

The ONLY way to get this done is with a DHP-PCM or ASE reprogram. The whole "snip a wire to bypass it" doesn't work on the 3400. I dug up all the info on why it won't work when i tried to do it over a year ago.

[misslindseysue]

And where the hell are you going to go faster than 108 anyway? You can't get that fast on a 1/4 mile, and I pray I'm not on the same highway you're on if that's where you're trying it.

[dadirtybulldog]

in my opinion this is one of the most dangerous mods you can do... especially with how stupid/ idiotic kids are nowadays... if i did this mod i would hurt myself. period.

[3.4Alero]

You people need to calm down. There are more than a few of us who could benefit from this, because we DO road race at various tracks. When I hit the speed limiter on the back stretch where I race, it's before my braking point, which means I just lost time. Oh, and by the way, I learned road racing by doing driving schools and open lapping days with professional instructors.

[hurstalero]

Calm yourselves guys :wacko: , I was just wanting to know some info on this subject. I do not plan on taking the old Alero to the Salt Flats, Texas Mile or a Cannonball. I just wanted to see if it could be done, so I could always now I could use it in a pinch like for a few seconds while on the Kansas interstate in no mans land. Thanks for the input think I will just roll with the 106 for right now. I have replaced all springs, struts and added strut bars both front and rear, but tires are next. :smokin:

Thanks,
Weber

[mfuller]

Originally posted by Pacho@Apr 19 2004, 08:56 PM
Does anyone know the top speed of the 3.4 alero v6 with the governor disconnected?
Assuming you have tires designed to support the increased speed ceiling, a stock 3400-powered Alero will lose the aerodynamic fight somewhere around 127MPH.

[mfuller]

Originally posted by Sportalero+Apr 20 2004, 04:21 PM--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (Sportalero @ Apr 20 2004, 04:21 PM)</td></tr><tr><td id='QUOTE'> <!--QuoteBegin-mfuller@Apr 20 2004, 09:31 PM

Assuming you have tires designed to support the increased speed ceiling, a stock 3400-powered Alero will lose the aerodynamic fight somewhere around 127MPH.
Speaking from experience??? [/b][/quote]
That's my best guess, taking into account available power, gearing, and coefficient of drag. I personally have hit 126mph (on a closed course, and the car still had some left), but I wasn't stock at the time.

[3.4Alero]

Matt Fuller has the most experience with his Alero hitting 126 mph (I believe). He said he doesn't feel that it would get much faster than that, maybe a couple more mph. Not because of lack of power, but the evil drag really limits it around there.

[2000NavyAleroGLS]

Isn't the governer at 108mph. I'm not sure cause I'm canadian, but mine governs at 180km/h. That would be 108mph.

[misslindseysue]

Originally posted by hurstalero@Apr 19 2004, 08:10 PM
Calm yourselves guys :wacko:
I just asked where you were going to try it. If, like 3.4, you're racing legally on a track that you can get it past that, cool. If you're on the interstate, not cool, no matter how empty it may appear.

[99aleroGLS]

i have a buddy that works for a GM dealership and he can take off the limiter in about 5 min and cost bout 25 dollars. Any GM dealership should be able to do it.

[3.4Alero]

Originally posted by 99aleroGLS@May 3 2004, 10:03 AM
i have a buddy that works for a GM dealership and he can take off the limiter in about 5 min and cost bout 25 dollars. Any GM dealership should be able to do it.
I'm pretty sure your buddy would get fired if his boss knew he was doing that. GM dealerships are not allowed to do that, mainly for liabilities sake.

[Sportalero]

I guess it works the same for the 3.4. When i asked a RKSport GM tech about it, he told me he knew how to do it on 2.4, but knew nothing about the 3400. I'm just saving up for a DHP now. Does your tach still work with this mod, because how would you determine when you're on the verge of blowing up?

[Youngblood77]

Just a small thought fellas.

I don't intend on ever doing the snip and switch mod, but it'd be nice knowing the limiter was gone after upgrading to a DHP.....I never intend on breaking any laws, whether it be speed laws, or odometer fraud, but having the limiter gone would not only help guys like 3.4 in his road racing, but it would help those of us who intend on running the 1/4 aswell.

And before people start running their mouth, about actually HITTING 108 in the 1/4, NO. I probably won't ever hit 108 in the 1/4. BUT, there are advantages to running smaller rims and tires in front, ( less rim and tire weight, less rotational weight, etc. ) and when doing so, a car with the limiter intact and smaller diameter tires would THINK it's traveling @ 105+, when it's actually only running say, 87-90 mph. Therefore, it's completely possible to need the limiter removed without actually going that fast.

Like I said, just a small thought.

[Youngblood77]

when doing so, a car with the limiter intact and smaller diameter tires would THINK it's traveling @ 105+, when it's actually only running say, 87-90 mph. Therefore, it's completely possible to need the limiter removed without actually going that fast.


Maybe I didn't write that so it's easily understood or something, but I kinda thought it was self-explainitory. It's possible for the sensors in our cars to be sending false 108mhp signals to the drivetrain management system, when using smaller diameter tires. Therefore, you can be up against the governor about 10mph before it's supposed to hinder your speed. With this governor removed properly, it would help guys like 3.4 on the back stretch.....got some left, but can't use it. He'd save a little time EACH lap.

[Oldsman]

top speed is governered. not much us 2.4 guys can do about but deal right now.

[olds2race]

I'm new to the Aleromod chapter but someone said that snipping a wire wouldn't work and they are correct. However adding so much as a resistor to each wheel sensor will slow down the electrical pulses to the computer( making it think it's going slower than it really is). the problem with this is that it will richen the fuel mix and the car will run like it has a cold in the powerband. And of course you will never know how fast you are really going if not fry out the speedometer all together. I found out the hard way. But I am still expirementing cheaper alternative that are still safe for the computer. REMEMBER that there is nothing wrong with trying something new, but don't be brain dead about it and not have the proper EQ for high speeds. Or you might be selling your smashed up Alero on Ebat motors and I don't think anyone wants to see that. Any input to this message is welcomed and appreciated. :thumbsup:

[n8tureboy]

Deal with it.... Hmmm there's Computer Programming gear you can get to raise the Govenor to a higher speed... the's no way that the top speep.... Mine tops out at 170Km, but still has a ton of power..... Most GM cars are toped out by their computers at about 170KM (I think that's about 110 mph) And when i start doing mods to my engine.... i'm gonna want to go faster than that... For sure.

I think the company is Hyper CHip.... a buddy of mine's got one for his avalance... don't know if it's avaiable for the Alero 2.4L

Does anyone else know?

N8tureboy

[Final-Reality]

I've never heard of Hyper Chip or seen anybody else on these forums mention them, so they likely don't have a product for any alero...

[n8tureboy]

Your, probably Right. THe Product that I'm talking about is Hypertech http://www.hypertech-inc.com They Do make them for bigger engines but not for the 6 and 4 Cylinder ones.... <_<

Grrrr.....

N8tureboy

http://www.hypertech-inc.com

[FormulaNERD]

there might be 2.4 chips. cant say that i've looked though, but you've gotta think, alot of cavs and sunfires have them, and i dont know if the aftermarket crowd only caters to the ecotec or not.

but yea, when my governor kicks in i'm around 2700 rpm's or so, and it feels like it's only in 3rd, but i'm not postitive on that, either way, there's still some power there. and before i lowered my car it used to really shake, but i was doin 100+ for about an hour with 4 other cars, and riding really smooth.

[|Rev|]

lol 100 for an hour? If I did that my tires would go BOOM! Well until I get my Yokahama ES100's :thumbsup:

[5spdAlero]

The ES100s are a very good tire. ASE chips makes a chip for ur car that gets rid of the speed governor, gives u a 7000 red lind and gains u 24hp and 17ftlb of tourque. i think its 300 dollars but its definately worth it

[ptrudel]

^with the ASE i heard that u also have to run premium fuel...or they reccomend it...something like that

[mfuller]

I'm sure DHP would remove the governor for you if you made it worth their while. Not sure about performance tuning though. ASE's horsepower and torque claims are way inflated, BTW.

[Sundayalero]

Originally posted by n8tureboy@Jun 17 2004, 09:59 AM
And when i start doing mods to my engine.... i'm gonna want to go faster than that... For sure.

Don't forget the suspension and brake mods too.... :thumbsup:

[Vtolds]

You need a New PCM to take the limiter out.

[jackal2000]

really you dont need a new pcm just cut a wire or two. cant remeber which wire but i think it also disables the odometer which = ILLEGAL.

[BLK03GXS]

Depends on your tranny... If you have a manual the easy way is to hack the vss sensor and put a wire on one of the leads, run it inside put a switch in and route it back out to the car.
Vss being Vehicle speed sensor, this works only for 5spd's as far as i know.
Yes it is illigal, due to the fact that it disables your odomiter.
Just do a search on J-body, for the vss mod or for speed limiter, if you have a 5spd and the steps there will allow you to disable the limiter... however NO ONE CLAIMS RESPONCIBILITY FOR WHAT YOU DO WITH IT
AS has been said b4 NO ONE needs this mod unless your breaking the 100mph barrier on the 1/4mile... That would be my only reason to get rid of it, Hell i find it keeps me in check, some times i speed Too much :wacko:

[|Rev|]

I think the PCM would be worth it, doesn't the PCM give you hp too?

[Vtolds]

It should optimize all your Fuel and throttle I think they add like 20hp I wish they made a power programmer would be alot eaier than changing the computer or adding a chip.

[BLK03GXS]

Originally posted by 1WhiteOSV@Dec 7 2004, 06:14 AM
trade alero in for a GAGT which has a limiter at like 128+
Or if you have the 3.4 swap pcm's

[shockz]

I thought they placed the governors there for a reason... something about our brakes or suspension not working correctly if we went faster than 108.

[misslindseysue]

The speed limitor was placed where it was because of the tires that the car is sold with. Regardless, there are very few situations where one can exceed that speed safely.

[jeremythebear]

I really don't want to come off sounding like a pr_ck about this but because of the number of posts regarding the governor I will. I have installed on my alero:
B&G springs
KYB struts
F&R sway bars
F&R strut bars
99 Grand am cast aluminum control arms
F&R polyurethane bushings
17 inchers with Hankooks
plus other stuff

I have not messed with my governor.
Why? Because even with all these upgrades I do not feel I could stop safely should a situation arise. Maybe after the big brake upgrade.

In the meantime, someone whose has upgraded only their stereo should blow me away at the stoplight with some tunes and leave the damn governor alone.

[Silverknight]

If you drive a 5 speed, there is a sensor on the top of the tranny you can unplug which removes the Gov. at the expense of your speedometer and engine light... but it does work. u have to take your air box out to get to the sensor though, so it's a hassle... not really worth it in my opinion, but it can be done, I've tested max speed of my car ungoverned. it was 230 ish Km/h...I was using my friends GPS to give an estimated speed

[Fast Eddie]

This is sooo stupid I want to faster than 110 WTF??!! you realized that 110 in a five speed is ~4500 RPMs? right so you hit readline, in fifth gear at about 123 even slower on the auto which he obviously has. Wow so much more speed, the ladies will be impressed when the Man impounds your car for going that fast :rolleyes:

[amh]

Hi

Here in Europe GM promise to 2.4 top speed at 201 kmh its about 125 mph.
Acceleration they have promise is 0 to 100 kmh 10,6 s. Here in Finland one car magazine has been tested new 2000 Alero 2.4 and they measured acceleration 9,6 s.
Havent tested my Aleros top speed yet, need better tires. We have 120 kmh (75 mph) speed limit on our higways :cool:

amh

[Oldsman]

well since the speed limit is normally 65-75 here in the states i think we have governers that limit us to the max speed limits that way noone can go fast. going faster than the speed limit is stupid. :rolleyes:

[StockAlero00]

Kevin.. Kevin....Kevin...... Going faster than 110 mph would be fun, but let's save that for the professionals on the race track. I don't mean to sound rude, but my friend, If you want to go that fast, when you get out of the army, take up racing school, and try out for nascar. Please don't put yourself or anyone else in danger on the road. It might not be you, who can't control a car over 110mph, but not everyone else out there knows how to handle a car going around them that fast. Plus don't you want to be able to live to mod your car up some more?!?!

[Crolero]

have you seen a car in a crash going that fast....? our police force here states the following. (In KM/H) 120 = about normal highway speed. 140 = a bit over the speed limit of 130. 150 and above: no one will survived. Any passenger car going 150+ in a crash is dead. Think about that one.

Ive seen an engine from a VW Passat thrown and bounce on the expressway almost 1 km from the crash. you know how fast he was going.... 220KM/H. No need for that type of speed.

[Deuce_Nukem]

. . . ask anybody who's been driving for a long time. . . it gets boring. . .

given, i'm not worried about removing my governor because even when i feel it's safe to exceed 108 mph, it's only as much fun as 95(plus fuel mileage decreases exponentially as your speed increases). . .

however, i dont think that speeding is "stupid"... no... going 80 in a 70 isnt stupid, it's a daily occurence. . . being the idiot doing 95 and slamming on his brakes to avoid rearending the guy doing 85 passing me... thats stupid. . . speeding is a way of highway life lol... in fact, i do 70 so little on my way to/from school that i honestly feel like i'm going slow if i'm under 75...

either way, i suppose i'm pro-governor. . . my tires arent exactly new, even though i think theyre rated for higher than 108(not stock)...

[jlenko]

We have this question being asked all the time on J-body.org... since most of the uplevel Cavalier and Sunfire cars came with the 2.4L...

Here's the J-body.org answer: http://www.j-body.org/faq//80/

There's three ways I know of though...

1. Disable the VSS. That's the Vehicle Speed Sensor.. it's on the tranny. I'm not going to be more specific than that... if you can't figure it out, you probably shouldn't be going that fast.

2. Have someone (J-body Performance, RSM Racing, etc) reprogram your PCM with a higher speed limiter. They can't remove it, but they can raise the value on it to 255 km/h. That's plenty fast. Costs about $500 US.

3. Replace PCM with an aftermarket computer. It won't have the limiter ;)


The only reason I know how to remove my speed limiter... is because I have to. I run nitrous... and with 15" slicks, due to the smaller tire, the car thinks it's going 108+ mph at the end of the quarter mile. (Even though it's only trapping at 100 mph)... BTW, that's a 13.8..

If I hit the limiter on the bottle... boom :) oh, and yes.. I only do it ON THE TRACK. It would be stupid and frankly pointless to do it anywhere else.

...j

[alerospeed2003]

hey thanx for the info.......it's about time somebody just gave me an answer instead of making a fuss about it. i will definately look into it.

[RoninKouga]

we are allowed to speed as fast as we want here, so nearly everyone does. but as a fact.. . my limiter kicks in @ ~125 mph but that is way too fast for a car in this class. even diesel cars are passing me here so i decided do install a dhp pcm. the 3.4 aut has ~3500 rpm @ 125 mph and there is enugh power to go over 250 km/h. but i didnt check it, also the speedo's end is at 220 kmh. (btw over 160km/h the alero REALLY needs fuel :)

i'm not quite sure if you will fry your auto gearbox oil if you keep up speeds like that - the brakes in alero are very weak and the suspension system is not made for this. you can feel this. but if you upgrade them it 'd be ok i think. everything on the car has to be fitting for those speeds, so the tires.

personly - i think its dangerous to speed up like that for once, coz you dunno how your car reacts in this situation. crosswind will be a funny influence over 200, too in alero btw. - you gotta approach the max speed day by day - everyday a lil bit faster if you feel to, but since i'ts not allowed in us, u should do this on a track - but this all has been offtopic ;)

i think removing a senser from the gearbox won't remove the governor, coz it is programmed to the pcm which calculates the speed in 2 ways. (in 3.4 aut. i kno this is a fact) it measures not only the speed (from the gearbox), it recognizes the rpm and which gear you are in and if u are too high in the calculated speed in the last gear a hard fuel cutoff applies. in 3.4 aut. you can get this situation putting the lever in "3" then it cuts hard @ 130 mph instead of gently governing at 125..

im sorrya didnt calculate all speeds to mph, but i think it may be understnadable what i wanted to say :)

last time i looked at dhp, the only have a pcm for 3400. if you wanna ask them for yourself, tell me ill give you the email of charles beyer, he is at dhp and very competent in custom pcm's.

[Fast Eddie]

the problem with driving that fast is not neccesarily the physical attributes of the car but the unknowns of everything else. You say you are a great driver. What do you do when a racoon runs out in front of you? At 100+ MPH you get less than a sec; jerking the wheel will roll the car, there is no way in hell you are stopping in time, hit the little bastard at what damage to your car, keep in mind little things do big damage at speed. Well one dead coon, no biggie, you come around a shallow curve and holy poop someone is running across the hwy to their stalled car, now you have ~1 sec to decide and have no idea what they will do. btw braking distance is exponentially longer at higher speeds. I'm no angel. I've hit my speed gov. a few times. but only in the middle of NE, with a view for miles, and still admit it was not the smartest thing to do; I jacked up my front end on a piece of tumbleweed, yes tumbleweed fugged by bumper and grill inserts.

I'm currentely working on getting a racing license. You may think you are a great driver but even if you have been through those situations there is still room for error. The more you "learn" about your car and what it can do, the more you will realize you need to learn and that it should not be done on public roads.

Speed all you want. If you maim, kill, or other wise harm anyone I care for cause "it was a rush", I'm going old school on you and repaying in kind to your whole family. :gun:

[RoninKouga]

1) i think its a basic principle of everyone here just to do that on places where u re able to ride as fast.

2) you are right, the limiter isn't there to stop the alero from falling apart. european aleros limiters are set to 125 mls. i took it off and the car does well over this speed.

note: as i found out right now we have a different stock brake system here.

[alero_ecotec]

to ad some helpful info to this thread....there are no aftermarket computers for the ecotec, and there are also no chips yet for the ecotec, there are a few companies who can do a reflash of the computer which can program the car for aftermarket things like cams and what not, however this is supposed to be very expensive..................also, those speed chips on e-bay are worthless, they're 5 cent resistors, dont do crap

[gxryan]

Thing I always wondered about ppl asking this question.
Why would you wanna go faster with an alero?

Hey I got the ecotec to, Love the thing. But it's definately not a top end demon. I'd just worry about how fast u can get it up to 105.

But hey to each there own I guess. and yeah I'm pretty sure this topic is gonna be locked in the next hr by an admin.

[pawzbear]

You dont need to be going that fast anyway, unless you are *legally* racing it on a closed track =/ The car handles and rides ENTIRELY different at higher speeds, and many of us younger, less experienced drivers have no idea how to handle that. Just worry about the acceleration, little red-light "races" are always fun, and you dont need to go near 100 for those. The rev limiter is there for a reason. let. it. be.

[jackal2000]

yea, you wont even come close to the limiter on a 1/4 mile track either, you need about a half mile lol

[urweak]

If you dont trap 100-110 then you have no reason to remove the speed limiter. If you want to go as fast as your car can just to know what it does, then unplug the VSS sensor, but like said before, your speedo doesnt work, so its pointless. There are two companies that i know of, that can remove the limiter, but im not saying. What speed rating are your tires? Not to mention, is your bodykit able to go over 110? Might fly off. lol

[ImSoBored]

But the one thing with this "mod" is that youve got no speed gauge, also your tach doesn't work. Plus you gotta go cutting wires and shat and isn't worth it.