ScionLife.com

EasysBox · 10-14-2007, 10:24 PM

I was wondering if anyone had swapped a 1ZZ throttle body into their box yet...

swartzautoman · 10-15-2007, 02:45 AM

?
never considered that befor.
is it bigger?

EasysBox · 10-15-2007, 03:33 AM

considerably... im going to fab my own attachment to the SC, but i was just curious about getting the sensors to work right...

IowaSciontist · 10-15-2007, 02:31 PM

The only sensor on the TB should be the TPS. And it is adjustable. Try to find out what voltage it shoud be putting out at WOT, then use a ohmeter to test it while setting it. Let us know how it works out for you. You may want to try an portmatch the part for the SC too.

EasysBox · 10-15-2007, 03:16 PM

there is the TPS and there should be a Idle control unit as well... i was just hoping that someone had already tried this before i start hacking up my harness...

IowaSciontist · 10-15-2007, 09:21 PM

Is the idle control on the throttle body, or the manifold. Have never really looked on the xB. Mine on my RB25DET is on the manifold.

The idle control is not necessary anyway. It is only controled my the engine temp thru the ECU for start up on cold days. You can eliminate it and use the adjusting screw on the TB to adjust idle. That's what I did on my RB. Most guys do. But it makes it like a carburated car on cold days.

EasysBox · 10-15-2007, 09:59 PM

using the screw to adjust the idle would be easy enough... problem is, without the control connected wouldn't it throw a CEL?... is your RB in a 240? or is it still in the original car? ;)

IowaSciontist · 10-15-2007, 10:03 PM

S13 chassis.

And yes, it may throw the CEL. Have to try and figure a way around that. Let me do some research. Mine on the RB wouldn't because I was running a Apexi Power FC stand alone.

EasysBox · 10-16-2007, 12:17 AM

stand alone would solve the problem wouldn't it ;) post up some pics of your S13, would love to see it...

HoffmanScion · 10-22-2007, 03:13 PM

You may want to check into OBX. I know they have a replacement large bore throttle body for the 1NZ-FE.

EasysBox · 10-22-2007, 07:18 PM

do they, now that is interesting, thanks

HoffmanScion · 10-23-2007, 06:29 PM

Yea, check LastLook Customs & Motorsports. I know Stu sells OBX

Steve60 · 10-26-2007, 11:55 AM

This is interesting.
If your aircontrol unit starts to screw up you will get a 0172 at the very bottom.
With the SC the OE TB is on the small side & the air control is a problem, it's happened with this car.
Hoffman thanks for the info... I like it. Bigger TB, just need to figure the fuel control unit into the mod.
Steve

BurxBox · 12-03-2007, 05:47 AM

what size is our throttle bodies anyway. OBX has a 50mm TB

Black_Sheep_xB · 12-10-2007, 12:40 AM

I think ours is 45mm, I heard the OBX was a 5mm increase
over stock.. 9% bigger, which is probably about right for our
wee motors.

swartzautoman · 12-10-2007, 05:03 PM

so could i swap over to the OBX with with no other mods.

Steve60 · 12-10-2007, 05:24 PM

That would be a yes, according to what I'v been told. I have ordered 1. The bad is I won't see it till Feb.
The most important part of the increase in size is how the bell & the back side of the butterfly are treated. For now, no got so no comment....

FoeShizoh · 12-10-2007, 08:05 PM

very interesting. new to mods.

crxgames · 05-06-2009, 12:43 AM

Not to revive an old thread, but I did this last weekend. 1zz-fe 60mm throttle body swap from a 1998-2002 corolla. I wrote a DIY over on clubxb if someone wants to look it up. It is *definitely* worth taking the time to do.

swartzautoman · 05-06-2009, 01:03 PM

i searched and searched clubxB and couldn't find your thread
i even searched google.
could you post a link the your thread