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Scion tC 1G Forced Induction Turbo and supercharger applications...

How to remove Speed Governor?

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Old May 21, 2007 | 02:58 AM
  #21  
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well you don't need a built block to do it but its really pointless unless you have one.

like i said you need a standalone ecu

hydra or aem one of the two. they run close to 2k
Old May 21, 2007 | 03:01 AM
  #22  
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Originally Posted by BlindDrifter
maimi hu? I am also in south Florida. I have only heard of another white boosted one and just the other day i saw a black one..... oh! and another black turbo one i saw at moroso
you must not hang out alot all over miami... theirs atleast 15+ boosted tc's i know of in miami lol..

BTW...lol i dont know how you plan on stretching out 5th gear past 133-135 mph lol.. our 5th gear tops out prematurely before the posted 140.. beleive me..ive gone to the gov. plenty of time and im running out of gear that still is able to make decent power in the powerband.
Old May 21, 2007 | 03:14 AM
  #23  
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Originally Posted by Mr_Meaty
Well then, what can remove teh rev limiter? And would you have to have a built block to run like that?
the block will hold..

but its advisable that if you ever plan to rev high on the tc you would need to do 2 things

1. build the HEAD to rev that high.. chances are the head was not designed to rev high and you run the risk of dropping a valve or bending a valve or breaking a spring/retainer from the excess stress.. so you defenitely need to upgrade you valve train to get up past 6500rpms and stay their on a constant basis..

2. you would need to redesign your 5th gear to make it a longer 5th gear or add a final drive that will alow you NOT to max out the trannys gearing in the extreme top end were you would pass 127 mph ( which is were our trannys are maxing out anyways and running out of gear.

3.and this goes in conjuntion with #1.. you would really need to do a port and polish or valve job to get the full potential of the upgraded valve train and also if anyone has noticed.. (unless boost is the in play) tc's powerband typically dies off after 5800 rpms.. so anything after that is basically loosing you power or going back down in the power band of the car... SO its kinda pointless to rev high on a stock head either way because of the way the heads designed..we really dont make anypower or any gains @ 6500 rpms and above..

to rev that high on the stock one is asking for murder.


that and im sorry if your racing an by 125 mph your not ahead of the guy another 10 mph is not gonna magically push you ahead.. lol.. by 125 shut it down.. lets be realistic here lol..

hope this answers a few questions..
Old May 21, 2007 | 08:15 AM
  #24  
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Originally Posted by nebster
emanage wont do that you need a standalone ecu.

but with the tc gearing its pointless because you pretty much redline at 130 anyway or would.
The greddy emanage ultimate will cut the rev and speed limiter. People on here have done it.

Here is direct from greddy: ( http://www.greddy.com/products/displ...SubCategory=47 )

An Airflow Output Map option even allows for airflow meter elimination. And when used with a wideband A/F Meter, the Air Fuel Target Map can self-tune an Injector base tuning Map, to speed up initial tuning. There are also built-in Boost, Rev and Speed Limiter-Cut features. To create super smooth operation, there are various fine tuning Correction Maps to adjust for Throttle Acceleration,
Old May 21, 2007 | 12:15 PM
  #25  
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oooOOOoooo

learn something new every day.

i dunno if i'd do it on the emanage U alone tho. i'd rather get a stand alone
Old May 21, 2007 | 01:28 PM
  #26  
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Seems like a good topic to tlak about. I am actualy using a greddy e-manage ultimate right now. I will ask my tuner about the limiter and using a MAP. TCpete, do you guys ever go out for drives? It would be cool to all go out driving or meet up.
Old May 21, 2007 | 01:57 PM
  #27  
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we have a meet every wed. @ 8pm until when ever

https://www.scionlife.com/forums/viewtopic.php?t=131158

how ever i still think unless your rebuilding your tranny to change the gearing or adding a final drive atleast, removing the speed gov. will be pointless..you will max out the trannys gear and the car just wont go any faster.
Old May 21, 2007 | 03:02 PM
  #28  
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The gearing of the stock tranny is good up to 140mph. You would not have to do a gear change to reach 140.

Otherwise this tC would not trap 140mph on a stock transmission (Which it's on).

http://youtube.com/watch?v=UGMruzKS52E (tC is in the right lane next to the WRX).

To go faster than 140mph, you probably would then need to change the gearing. But the majority of you are probably not taking it that far to trap that fast in the 1/4 mile, so whats the use of it anyway.
Old May 21, 2007 | 03:13 PM
  #29  
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travis u and your butt hairs..always getting into every thread j/k lol thanks for the tid bit.. i guess it is doable.. but on the average which is kinda what i was getting at is that theres no use for it either way....if ur not ahead by 120 mph lol... time to start racing f1 jets in ur class lol
Old May 21, 2007 | 03:23 PM
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Originally Posted by TCpete
travis u and your butt hairs..always getting into every thread j/k lol thanks for the tid bit.. i guess it is doable.. but on the average which is kinda what i was getting at is that theres no use for it either way....if ur not ahead by 120 mph lol... time to start racing f1 jets in ur class lol

Amen to that. Hell, you better be ahead by 100mph!
Old May 21, 2007 | 04:17 PM
  #31  
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Originally Posted by TCpete
Originally Posted by Mr_Meaty
Well then, what can remove teh rev limiter? And would you have to have a built block to run like that?
the block will hold..
That's what ScionSpeed said
Old May 21, 2007 | 04:20 PM
  #32  
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Originally Posted by THansenite
Originally Posted by TCpete
Originally Posted by Mr_Meaty
Well then, what can remove teh rev limiter? And would you have to have a built block to run like that?
the block will hold..
That's what ScionSpeed said
and at the boost levels they were running at of course the motor wasnt going to hold.. but you dont need to have high boost to get to 140 mph.. u can run small psi and still get their..speed has little to play in that.. its more stress and how much stress it takes to get their..
Old May 21, 2007 | 04:21 PM
  #33  
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Originally Posted by THansenite
Originally Posted by TCpete
Originally Posted by Mr_Meaty
Well then, what can remove teh rev limiter? And would you have to have a built block to run like that?
the block will hold..
That's what ScionSpeed said

They popped it at 420ish whp. You don't need that much to run 140mph top speed. Hell, you could leave everything else stock and take off the governor and still make it to 140mph.

Just might take you a while to get there....
Old May 21, 2007 | 04:29 PM
  #34  
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Originally Posted by rhythmnsmoke
Originally Posted by THansenite
Originally Posted by TCpete
Originally Posted by Mr_Meaty
Well then, what can remove teh rev limiter? And would you have to have a built block to run like that?
the block will hold..
That's what ScionSpeed said

They popped it at 420ish whp. You don't need that much to run 140mph top speed. Hell, you could leave everything else stock and take off the governor and still make it to 140mph.

Just might take you a while to get there....
lol boniville on a stock motor FTW
Old May 21, 2007 | 04:36 PM
  #35  
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^^ lol
Old May 22, 2007 | 07:27 AM
  #36  
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Anybody who street races is a F U C K I N G ~ M O R O N , that is all.
Old May 22, 2007 | 01:19 PM
  #37  
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Originally Posted by 06SuperWhite_SoCal_tC
Anybody who street races is a F U C K I N G ~ M O R O N , that is all.
x 2

Keep it to the track where it is safe and you can get proof that you beat the other guy.
Old Apr 23, 2009 | 05:09 PM
  #38  
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to remove the speed cut with the ultimate is there anything special u have to wire up or anything or is it just a plain option on the menu and will work with just that?
Old Apr 23, 2009 | 05:17 PM
  #39  
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Originally Posted by SoFloTC
to remove the speed cut with the ultimate is there anything special u have to wire up or anything or is it just a plain option on the menu and will work with just that?
It's just a menu option in the software that will disable the speed limiter. Nothing special. I do have the PnP harness as well.
Old Apr 23, 2009 | 05:23 PM
  #40  
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Only reason i could see removing the speed limiter to be beneficial would be if you had built head and valvetrain and are redlining at 8k lol than maybe itd help - prolly ge tyou to aroudn the 150 ish mark



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