2.2L L61 Performance Tech 16 valve 145 hp EcoTec with 155 lb-ft of torque

Speed limiter

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Old 01-19-2008, 08:18 AM
  #51  
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I'm going to pull a JBO move here...

If you don't know how to bypass it, then you shouldn't be doing it. If you understood engine management systems and how your limiter does exactly that, you'd know how to do it.

But I love how it stops you from your project just for the single notion that if you can't get pass 105. Didn't you test drive your car before you bought it?

lawl

Originally Posted by mkulrey13
ehh, i will need to get above my 105 speedo with my turbo kit and such but i will not sacerfice my speedo in the process, ill jsut live with it i guess, lol

On a side note, does cutting the speedo affect teh RPM tac as well?
Your speedometer has nothing to do with you getting pass 105 or not and your speedometer readings and tachometer readings are from different sources.

Speedometer -> VSS
Tachometer -> Ignition and Crankshaft Position Sensor

Last edited by NJHK; 01-19-2008 at 08:19 AM. Reason: Automerged Doublepost
Old 01-19-2008, 08:37 AM
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Originally Posted by NJHK
I'm going to pull a JBO move here...

If you don't know how to bypass it, then you shouldn't be doing it. If you understood engine management systems and how your limiter does exactly that, you'd know how to do it.

But I love how it stops you from your project just for the single notion that if you can't get pass 105. Didn't you test drive your car before you bought it?

lawl



Your speedometer has nothing to do with you getting pass 105 or not and your speedometer readings and tachometer readings are from different sources.

Speedometer -> VSS
Tachometer -> Ignition and Crankshaft Position Sensor
Thats what i thought. Thank you the all-mighty adam!
Old 01-19-2008, 01:29 PM
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Originally Posted by NWAE Cobalt
it has nothing to do with the speedo...if it did....then when i put the 140 mph gauges it would raise the limiter..and it didnt..i have checked!!!! it is all in your
A-ecm for manuals
or
B-tcm for autos

just like you can run with out your gauge cluster working all together, we did this in red2.4ss's car when hahn screwed up on the tune.
What?

You cut the wire that tells the ECM or TCM how fast it thinks the cars going. Then it cant send any signals to the cluster so it just says 0mph.

Putting in 140mph clusters in wont reprogram your ECM or TCM. lawlz...
Old 01-19-2008, 01:35 PM
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right...thats what im saying...you could cut the wire to your speedo all together...and it wouldnt matter. your dash has nothing to do with the car running what so ever. Without getting into the computer on our cars....you cant do anything about it...period
Old 01-19-2008, 03:13 PM
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Originally Posted by NWAE Cobalt
right...thats what im saying...you could cut the wire to your speedo all together...and it wouldnt matter. your dash has nothing to do with the car running what so ever. Without getting into the computer on our cars....you cant do anything about it...period
That theory might sound more plausable when most of the throttle bodies were mechanical...I'd bet that if someone actually tried that, your throttle position would drop faster than a stripper on a pole.

Originally Posted by mkulrey13
Thats what i thought. Thank you the all-mighty adam!
Welcome

Last edited by NJHK; 01-19-2008 at 03:13 PM. Reason: Automerged Doublepost
Old 01-19-2008, 04:23 PM
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get control of your injectors, bye bye governor

this can be done with any standalone ECU

rev limiter removal requires control of fuel injectors and ignition as welll...standalone can fix this or you can run a piggyback that may be able to temporarily delay the rev limiter kick in.
Old 01-19-2008, 05:05 PM
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Originally Posted by IonNinja
get control of your injectors, bye bye governor

this can be done with any standalone ECU

rev limiter removal requires control of fuel injectors and ignition as welll...standalone can fix this or you can run a piggyback that may be able to temporarily delay the rev limiter kick in.
you forget that now and days they have electronic throttle bodies, so your computer can use your throttle position to limit you.
Old 02-23-2008, 12:21 AM
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i had my 08 going 110 and it didnt shut off
Old 02-23-2008, 12:35 AM
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Originally Posted by shawn672
they dont put pirelli's on 2.2
must have been a dealer upgrade, so its not stock




and i still have not seen anyone NEED to go past 105, except perhaps dyno numbers, but just cut the speedo as posted above.

we get a new kid in here every ****** week crying about not being able to go faster then 105 in his base balt..

difference between 1LT and 3LT (08 aka 2LT) is about 3grand, and your insurance doesnt change that much. So go back and read my posts *******

if you got a legitamate reason, cut the speedo.
but 99% you're that 16 y/o kid wanting to kill himself on the busy highway
My 05 ls sedan came with them, it was part of the sport package.
Old 02-23-2008, 12:42 AM
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????

What is the cut off set for on the 2008 SS (Sport) 2.4 with automatic and Pirellis???? Just curious. With the 3.91 final gear,,, revs are up there, even at road speed.

GTO 1

Last edited by GTO 1; 02-23-2008 at 01:12 AM.
Old 02-23-2008, 12:43 AM
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my 06 lt sport came with michlins(spelling??)
Old 02-23-2008, 01:07 AM
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you shouldnt want to go any faster than 105!
GOSH
speed demons...
Old 02-23-2008, 01:18 AM
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i just wanted to see how fast it would go..lol
Old 02-23-2008, 01:20 AM
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lol well my lt will do bout 127mph before it cuts off..
Old 02-25-2008, 04:19 PM
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Originally Posted by REIGN SS
I didn't say you would find a dealer to do it, but it is possible, there are 2 settings in the LS computer, 1 for the 15" and ~105mph cutoff, and 1 for the 16" and ~120 cutoff...


...If you have the steelies, and continentals, you have a Base LS. If you have an LS/LT w/ the 16" Alloy wheels & and power options it should do ~120




I Have a 07 LT power everything except for the soundsystem package and im running on steelies so its not just base LS's that have them..
Old 02-25-2008, 04:56 PM
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Originally Posted by yellowltcoupe22
my 06 LT with an auto will go 125 with out a problem but you do need to upgrade them tires.. im runnin 18's wit z rated tires though.. but you shouldn't be going that fast on the highways...
I totally agree, but if you were messing around with say a wrx that dosent have one and you can keep up with one then it will blow by you once you hit the limiter.
I agree you need differant tires for sure hands down. But to get it takin out the flash isnt as easy as other flashes my 05 has 2 diferant system for the ecu. the engine tuning part came from GM and the Throttle and fuel flow came from some other company. so if you just flashed the sport model it still wouldnt work. it will thow a code to where you cant start your car or if it does you only run like on a cylinder or something. we finaly got it tho and it runs well will full bolt ons and was up to 127, i also have z rated tires and eibach suspension but i think the 06s are differant
Old 02-25-2008, 04:59 PM
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Originally Posted by TPRMcfly
Dang, i might just end up getting the 2.4 or the ss/sc then
Yo mines gonna be for sale in like 3 weeks....
Old 02-25-2008, 05:00 PM
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Mine is 100% gone on an 06 ls...but that is because i am the beta tester for tuning...and it works...should have a dyno of it within the week and will get a vid of me doing up to 130 on it
Old 02-25-2008, 07:20 PM
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Question: If you got an aftermarket spedometer could you unhook your current line to the pcm and wire it directly so you could still read your speed but it wouldnt register you in the PCM?
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