Ok, here is my idea... Input appreciated! - Page 2 - Toyota Yaris Forums

ddongbap · 05-28-2010, 08:05 PM

Wait..

*checks thread section*

Okay, you're fine. If this were general, those fuel econ boys would be all up in yo grill.

*Astroman* · 05-28-2010, 08:42 PM

Quote:

Originally Posted by ddongbap

Wait..

*checks thread section*

Okay, you're fine. If this were general, those fuel econ boys would be all up in yo grill.

LOL

Weird thing is, my Scangauge shows I'm getting amazing mileage right now (well, not RIGHT now. Right now the car is parked and off) in the high 30s to low 40s. Usually when I zip around town it's in the 20s

Idle was rough after the first test drive, felt like it was surging, then I did throw a check engine light (which I cleared) on the 3rd drive. When I stopped one of the hoses had come undone as the new coupler is a little longer than the stock one. I dunno if my mechanic had forgot to hook it up or it came off. If it does it again I'll just trim the coupler so it fits better.

ddongbap · 05-28-2010, 09:28 PM

Quote:

Originally Posted by Astroman

LOL

Weird thing is, my Scangauge shows I'm getting amazing mileage right now (well, not RIGHT now. Right now the car is parked and off) in the high 30s to low 40s. Usually when I zip around town it's in the 20s

Idle was rough after the first test drive, felt like it was surging, then I did throw a check engine light (which I cleared) on the 3rd drive. When I stopped one of the hoses had come undone as the new coupler is a little longer than the stock one. I dunno if my mechanic had forgot to hook it up or it came off. If it does it again I'll just trim the coupler so it fits better.

I was talking about your cat removal.

*Astroman* · 05-28-2010, 09:44 PM

ah, lol.

ddongbap · 05-28-2010, 11:11 PM

Quote:

Originally Posted by Astroman

ah, lol.

Don't worry. I believe you should take off both cats.

suckerface · 05-29-2010, 12:17 PM

So, am I to understand, with the Corolla 1ZZ TB, you can just toss that on in place of the 1NZ TB with no further modifications? Or is it a good idea to have a better header on there first? I'm going to a salvage yard this week or next and would like to see if I can track one down if that's the case.

PETERPOOP · 05-29-2010, 01:53 PM

Quote:

Originally Posted by suckerface

So, am I to understand, with the Corolla 1ZZ TB, you can just toss that on in place of the 1NZ TB with no further modifications? Or is it a good idea to have a better header on there first? I'm going to a salvage yard this week or next and would like to see if I can track one down if that's the case.

some people have problems with it, so they end up doing the chip swap from the 1nz to the 1zz TB. Even then (like my experience), some people still have problems. Could be a bad TB, since most are bought used from ebay.

*Astroman* · 05-29-2010, 03:05 PM

From what I've read here, it seems to be the TB with the US part no., the japanese part seems to work better.

On a interesting note, my '05 corolla TB I purchased from Functionspec had a odd part number (#22030-0D030). There was a thread on here on how to do it but the OP deleted his posts. http://www.yarisworld.com/forums/showthread.php?t=14672

So far the only time the car runs like crap at low RPM and throws a CEL seems to be when one of the hoses that hooks up to my intake falls off because the new coupler is almost an inch longer than the stock one. I'm going to trim it down today which should get rid of the problem. If I can find my digital camera I'll take a movie of just how it sounds, as it changed a LOT. Sounds really really good now, and I'm still stock after the header.

I haven't done the chip swap or adjusted the idle, will give it some time as the TB was only installed yesterday.

marcus · 05-29-2010, 12:24 PM

im curious what happen next on astros tb..

TheSilkySmooth · 05-30-2010, 10:14 AM

I love to see a dyno sheet from a YW member that shows any improvement with a larger TB on this car with stock cams, inlet manifold and head. Laws of physics say NO improvement is to be had. And I mean back to back, same temps and fuel. Some days my car makes what feels like 10 more hp than other days - usually due to barometric pressure and temps, so you will alway have that variability in the mix. AGAin the power is ALL TO BE HAD in the cam phasing (vvti) with stock cams, ONCE YOU UNCORK THE EXHAUST AND HAVE A GOOD cai. yES i AM A DOUBTER.

ddongbap · 05-31-2010, 01:03 AM

Quote:

Originally Posted by TheSilkySmooth

I love to see a dyno sheet from a YW member that shows any improvement with a larger TB on this car with stock cams, inlet manifold and head. Laws of physics say NO improvement is to be had. And I mean back to back, same temps and fuel. Some days my car makes what feels like 10 more hp than other days - usually due to barometric pressure and temps, so you will alway have that variability in the mix. AGAin the power is ALL TO BE HAD in the cam phasing (vvti) with stock cams, ONCE YOU UNCORK THE EXHAUST AND HAVE A GOOD cai. yES i AM A DOUBTER.

Dyno graphs don't show throttle response bro.

*Astroman* · 05-31-2010, 01:53 AM

150 miles and the car purrs, no CEL. It's amazing what a difference this has made in how well the car pulls now when accelerating, I'm not having to push the pedal down as much to go uphill, and passing is much quicker. REALLY can't wait to get the custom exhaust done. I've done a TB swap before, this one really shines. Even my mechanic is impressed with how well the car responds and accelerates now. Do this mod, it's well worth it!

sito · 06-01-2010, 10:49 AM

Quote:

Originally Posted by Astroman

150 miles and the car purrs, no CEL. It's amazing what a difference this has made in how well the car pulls now when accelerating, I'm not having to push the pedal down as much to go uphill, and passing is much quicker. REALLY can't wait to get the custom exhaust done. I've done a TB swap before, this one really shines. Even my mechanic is impressed with how well the car responds and accelerates now. Do this mod, it's well worth it!

Astroman, did you swap the chip?

*Astroman* · 06-01-2010, 12:01 PM

Quote:

Originally Posted by sito

Astroman, did you swap the chip?

No chip swap, but again this one did have a part number that I've only seen on this TB (#22030-0D030). Yesterday it felt like the ECU finally learned the new TB. Idle is just about normal, and even the warm up idle isn't as high as before, and it settles down quicker. Didn't even adjust the idle screw.

So maybe the secret is the part number? Either way my stock one isn't going back on in the foreseeable future.

PETERPOOP · 05-30-2010, 12:38 PM

supossedly Yoda? has a dyno that shows 3whp improvement, i think. however, that dyno was probably done on a different day with different weather conditions. so who really knows? hehe

edit: post #11 of this thread..

Yoda · 05-30-2010, 03:58 PM

my run was not on the same day. i am going catless next week so i will put that dyno up. hoping for 120whp

Yoda · 05-30-2010, 06:57 PM

scrap that. just took a ride in a honda fit with a straight pipe from the header back.. it smells and sounds really bad. just gonna put that money towards something else.

PETERPOOP · 05-31-2010, 12:14 AM

Quote:

Originally Posted by Yoda

scrap that. just took a ride in a honda fit with a straight pipe from the header back.. it smells and sounds really bad. just gonna put that money towards something else.

lol. you don't like that smell? I LOVE that smell. You weren't even going to run a resonator?

Why don't you do what barber did?

05-28-2010, 09:44 PM	#4
Astroman Modded Moderator View User's Garage Drives: 07 Toyota Yaris, 71 Galaxie Join Date: Mar 2007 Location: Wenatchee, WA Posts: 3,670	ah, lol. __________________ Please visit my online store for computer stuff and Official Yarisworld decals!

05-29-2010, 12:17 PM	#6
suckerface #1 Lemming Drives: Light Blue '08 Yaris Join Date: Mar 2010 Location: Milwaukee, WI Posts: 760	So, am I to understand, with the Corolla 1ZZ TB, you can just toss that on in place of the 1NZ TB with no further modifications? Or is it a good idea to have a better header on there first? I'm going to a salvage yard this week or next and would like to see if I can track one down if that's the case. __________________

05-29-2010, 03:05 PM	#8
Astroman Modded Moderator View User's Garage Drives: 07 Toyota Yaris, 71 Galaxie Join Date: Mar 2007 Location: Wenatchee, WA Posts: 3,670	From what I've read here, it seems to be the TB with the US part no., the japanese part seems to work better. On a interesting note, my '05 corolla TB I purchased from Functionspec had a odd part number (#22030-0D030). There was a thread on here on how to do it but the OP deleted his posts. http://www.yarisworld.com/forums/showthread.php?t=14672 So far the only time the car runs like crap at low RPM and throws a CEL seems to be when one of the hoses that hooks up to my intake falls off because the new coupler is almost an inch longer than the stock one. I'm going to trim it down today which should get rid of the problem. If I can find my digital camera I'll take a movie of just how it sounds, as it changed a LOT. Sounds really really good now, and I'm still stock after the header. I haven't done the chip swap or adjusted the idle, will give it some time as the TB was only installed yesterday. __________________ Please visit my online store for computer stuff and Official Yarisworld decals!

05-31-2010, 01:53 AM	#12
Astroman Modded Moderator View User's Garage Drives: 07 Toyota Yaris, 71 Galaxie Join Date: Mar 2007 Location: Wenatchee, WA Posts: 3,670	150 miles and the car purrs, no CEL. It's amazing what a difference this has made in how well the car pulls now when accelerating, I'm not having to push the pedal down as much to go uphill, and passing is much quicker. REALLY can't wait to get the custom exhaust done. I've done a TB swap before, this one really shines. Even my mechanic is impressed with how well the car responds and accelerates now. Do this mod, it's well worth it! __________________ Please visit my online store for computer stuff and Official Yarisworld decals!

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05-28-2010, 08:05 PM	#1
ddongbap Banned Drives: yw calls me douche and racist. Join Date: Aug 2007 Location: hay Posts: 2,183	Wait.. checks thread section Okay, you're fine. If this were general, those fuel econ boys would be all up in yo grill.

05-29-2010, 12:24 PM	#9
marcus toyota View User's Garage Drives: 2007 Yaris RS Blazed Join Date: Oct 2006 Location: toronto, canada Posts: 3,637	im curious what happen next on astros tb..

05-30-2010, 10:14 AM	#10
TheSilkySmooth Drives: 08 3DR 5M Bayou Blue; 09 Fos Join Date: Oct 2008 Location: New Hampshire Posts: 622	I love to see a dyno sheet from a YW member that shows any improvement with a larger TB on this car with stock cams, inlet manifold and head. Laws of physics say NO improvement is to be had. And I mean back to back, same temps and fuel. Some days my car makes what feels like 10 more hp than other days - usually due to barometric pressure and temps, so you will alway have that variability in the mix. AGAin the power is ALL TO BE HAD in the cam phasing (vvti) with stock cams, ONCE YOU UNCORK THE EXHAUST AND HAVE A GOOD cai. yES i AM A DOUBTER.

05-30-2010, 12:38 PM	#15
PETERPOOP View User's Garage Drives: 08 white liftback Join Date: Oct 2008 Location: Oahu Posts: 3,674	supossedly Yoda? has a dyno that shows 3whp improvement, i think. however, that dyno was probably done on a different day with different weather conditions. so who really knows? hehe edit: post #11 of this thread..

05-30-2010, 03:58 PM	#16
Yoda Drives: 2008 Black Sedan Join Date: Oct 2008 Location: FL Posts: 966	my run was not on the same day. i am going catless next week so i will put that dyno up. hoping for 120whp

05-30-2010, 06:57 PM	#17
Yoda Drives: 2008 Black Sedan Join Date: Oct 2008 Location: FL Posts: 966	scrap that. just took a ride in a honda fit with a straight pipe from the header back.. it smells and sounds really bad. just gonna put that money towards something else.