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Old 10-28-2009, 06:37 PM   #1
kac
 
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1zz Throttle Body - what needs to be done to it

I ordered myself a 1zz throttle body from a Corolla with a 1.8 liter engine.

I've got it coming with all the sensors and stuff, I just need to know what I need to change out on it and swap from my stock throttle body to make it work in the yaris.

I know stretching the tubing onto the TB is difficult, I just don't know the other details that need to be changed on it.

Your input is very appreciated.

(I've searched and read several threads, but couldn't find the answer I'm looking for, if it is already on the forums, please just point me in the right direction).

Edit: Want to do the chip swap from this thread: http://www.yarisworld.com/forums/showthread.php?t=14672
but the DIY is gone, so if someone has a link to info on the chip swap, or can describe it for me, it would be much appreciated.

Edit: The more and more I read, the more I am understanding, but if anyone has any other kind of info they want to add, please feel free, or the mods can remove this thread since there are several for this TB already.


Thanks!
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Last edited by kac; 10-29-2009 at 02:37 AM.
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Old 10-31-2009, 09:30 AM   #2
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i am gonna get one from a matrix, lemme know how it goes for you. I hear the matrix one doesn't throw a light as much.
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Old 11-01-2009, 01:30 AM   #3
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certian TB's from the corolla will not work

i dont know if it still says that in the thread but it had to do with ones with certian part numbers.

it ranged from not working at all to the CEL never going off
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Old 11-02-2009, 08:41 AM   #4
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Don't even do it!!!! Save your self the time and money. This mod has been soooo unreliable there are only a few members on here that have gotten it to work sucessfully
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Old 11-02-2009, 03:03 PM   #5
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i dont think its the fact that is unreliable, moreso the fact that there were a bunch of different TBs out there and only ONE really worked

i never had an issue with the one i ran, worked out awesome!
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Old 11-12-2009, 06:21 PM   #6
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Update: Installed 1ZZ throttle body today (from Garm, THANKS! great price, that guy is awesome)

Works Great! No check engine lights At All. Idle was high for a couple minutes when first started and has not been high at all since even at start up.

LOVING IT.. Only problem is I should have done it sooner! Great Mod!

(Also put on some Micro Image decals which look great, Thanks Garm!)
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NST in cabin & engine bay SSK's - TWM shifter base bushings & cable bushings - Megan Racing C-Pillar Brace
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Old 11-13-2009, 08:09 AM   #7
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see now you got me wondering, if i should just give this one more shot. That was my intial plan since the first one didn't work. i figured i would just try it again in a few months.
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Old 11-13-2009, 09:44 AM   #8
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^ I keep telling you guys, it works if it's done carefully and properly.

I do not believe that some TB's work and some don't. It's a TB with a servo motor, all the juicy stuff gets swapped out.
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Old 11-13-2009, 12:06 PM   #9
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Hmm, makes me wonder about trying this mod too
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Old 11-13-2009, 12:17 PM   #10
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Quote:
Originally Posted by kac View Post
Update: Installed 1ZZ throttle body today (from Garm, THANKS! great price, that guy is awesome)

Works Great! No check engine lights At All. Idle was high for a couple minutes when first started and has not been high at all since even at start up.

LOVING IT.. Only problem is I should have done it sooner! Great Mod!

(Also put on some Micro Image decals which look great, Thanks Garm!)
So, do you feel any difference now? More power, better acceleration? Review please
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Old 11-13-2009, 02:04 PM   #11
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similar to when i modified the air intake box to make it more like a cold air intake of sorts... I notice better acceleration in the higher RPM range, and a little better throttle response.
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NST in cabin & engine bay SSK's - TWM shifter base bushings & cable bushings - Megan Racing C-Pillar Brace
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Old 11-13-2009, 10:49 PM   #12
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Quote:
Originally Posted by cali yaris View Post
^ I keep telling you guys, it works if it's done carefully and properly.

I do not believe that some TB's work and some don't. It's a TB with a servo motor, all the juicy stuff gets swapped out.
Yeah I am going to have to disagree with that statement.
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Old 11-14-2009, 02:31 AM   #13
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maybe carefully and properly wasn't done EXACTLY to the letter in that circumstance which would just add more support to what Garm said.
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AFE Pro Dry Air Filter - modified air intake box - 1ZZ-FE Throttle Body - Ultra Racing Rear Sway Bar & Front Strut Bar
NST in cabin & engine bay SSK's - TWM shifter base bushings & cable bushings - Megan Racing C-Pillar Brace
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Old 11-14-2009, 06:46 AM   #14
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For the TB purchased from Garm, is the chip swapped for that one?
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Old 11-14-2009, 09:41 AM   #15
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Yes i swapped the chip.
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AFE Pro Dry Air Filter - modified air intake box - 1ZZ-FE Throttle Body - Ultra Racing Rear Sway Bar & Front Strut Bar
NST in cabin & engine bay SSK's - TWM shifter base bushings & cable bushings - Megan Racing C-Pillar Brace
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Old 11-14-2009, 12:04 PM   #16
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Well all we need is a comprehensive how-to on buying...modifying...and installing... the TB until someone sells it specifically for that reason (which is an incredible idea btw)... So I can say I am very much intersted in that if anyone decides to do it... Just coming from vehicles that didn't have a TB that is near the same...
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Old 11-16-2009, 06:14 PM   #17
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If you are not doing head work (bigger valves, porting, different cam) and improving intake manifold too ....how does this improve anything?

Sounds like a waste of time. Or is it mental HP youre gaining?
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Old 11-16-2009, 06:34 PM   #18
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there's several people on this forum who have done the swap and noticed a difference. Not a mental difference.
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NST in cabin & engine bay SSK's - TWM shifter base bushings & cable bushings - Megan Racing C-Pillar Brace
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