Scion XB 1NZ-FE Turbo build

[cali yaris]

1. You didn't answer if you were including me in the word "haters" that you used.

2. Yes, I was looking at the torque curve. Regardless of which curve you'd like to discuss, the motor peaks very early; I asked why. I disagree with you that "The power hardly drops off." It's done at 5200. It drops off enough that the tuner stopped the pull early, as you noticed.

3. You can "not speculate" on the AFR's all you want -- but the dyno got posted and we get to discuss it, right? That looks too lean to me. (I could always be wrong, but I don't think I am on that detail).

Only his tuner can answer that question about the afr's on that particular pull,

Right. And if it were my car, I'd be asking that question before I drove away with it tuned like that.

[cali yaris]

OK, I can't argue because I don't know enough, I'll admit that. Maybe the porting job alone gave him a power curve where horsepower is done by 5200. Were there some pics posted of the head? I can't remember.

[cali yaris]

It's xbgod's thread, to "share with the community" this build and the results. I've asked my questions, so I'm done for now. If the answers get posted, I think that will be valuable to all of us.

[cali yaris]

^ read the thread. You've already said you can't answer them and don't want to speculate, which is fine.

[cali yaris]

You're welcome!

[Yoda]

Xb has turned ghost....

[cali yaris]

All I did was ask two questions. (1. Why does it stop making power at 5200, and why was it tuned that lean). I was called a hater and now hostile. I haven't said a critical thing about the build or the tune. Lame.

Also the XB starts to fall on it face at around 5000-5200 RPM.

I asked why, it was just a question. Art's didn't (280whp). Mine doesn't (357 whp). So, that question remains unanswered. "That's just the way it is" is not a useful answer.

The second question really belongs with the tuner, as he seems to be the only one who can answer it. "It likes it there" is great to hear, but again is not a useful answer IMO.

xbgod, you got great numbers. (I already said that). If you're not curious about the why of these things, that's fine, it's your project of course!

[H3LlIoN]

Originally Posted by cali yaris

All I did was ask two questions. (1. Why does it stop making power at 5200, and why was it tuned that lean). I was called a hater and now hostile. I haven't said a critical thing about the build or the tune. Lame.



I asked why, it was just a question. Art's didn't (280whp). Mine doesn't (357 whp). So, that question remains unanswered. "That's just the way it is" is not a useful answer.

The second question really belongs with the tuner, as he seems to be the only one who can answer it. "It likes it there" is great to hear, but again is not a useful answer IMO.

xbgod, you got great numbers. (I already said that). If you're not curious about the why of these things, that's fine, it's your project of course!

Hater.

[xbgod]

Garm, your no hater. I still love you...........In a non-gay way!

My tunnner "Rolo" is coming over to the shop on my side of the bay for a tweak on my ride for street driving. Setting it up as the way I drive and not just a heated pull on the dyno.

XBG

[H3LlIoN]

Originally Posted by xbgod

Garm, your no hater. I still love you...........In a non-gay way!

The actual correct terminology is "no homo."

[H3LlIoN]

No, no, no. You got it all wrong.

You're supposed to say "What? What did you call me"

and then I'm supposed to post "Obtuse. Is it deliberate?"

And then you're up again with "Son, you're forgetting yourself."

and we go back and forth like that for a while, and I end up getting a bunch of time in solitary.

[H3LlIoN]

I'm not attacking anyone.

[PETERPOOP]

So can we see that video? :)

[KCALB SIRAY]

Originally Posted by PETERPOOP

So can we see that video? :)

I doubt it.

[Blown_xa]

This is some funny shizat. haha! It's mathmatically impossible for torque curve to not cross at 5250. Only cars where is doesnt drop off much is an s2k or Formula 1 car, and that has more to do with volumetric efficiency at high rpm... which the 1nzfe will never see. The only thing we can do is maybe crazy cams and a efficient turbo set up to get good top end. Nobody is ever gonna destroke a 1nzfe.

I think people got a bit bent of shape here. Its basic knowledge on what afr should be, I highly doubt the tuner is oblivious to that.

[ilikerice]

ive been reading and keeping up with all the forced induction threads on here to get an idea of where i may go with my yaris.. and this thread has turned into just a soap opera for me.. i cant wait for my next break or when i get home to read the next post..

anywho, with that out of the way, i need to get on the same page here.. are you guys arguing about the Torque curve dropping or the Horse Power curve dropping? cuz if its the torque curve, then im 100% with blown xa on this one.. but if its the power curve, then i have my own theory's that i do agree with a couple of you but im not as knowledgeable as everyone else here to argue any side. but i am learning a shit load of things the yaris is capable of and not capable of, and i thank all of you for everyones input

[xbgod]

Well here we go again.

Junichi Tanaka from Jun Performance has seen my build and is in correspondance with me on doing a set of cams for my XB. Not sure on all the details yet. But I do know they are not regrinds and there stuff looks alot nicer than Gude.

XBG

[Scubaru Steve]

Originally Posted by xbgod

Well here we go again.

Junichi Tanaka from Jun Performance has seen my build and is in correspondance with me on doing a set of cams for my XB. Not sure on all the details yet. But I do know they are not regrinds and there stuff looks alot nicer than Gude.

XBG

mmm cams!!!
any idea on duration and lift? 272* 9mm lift?
im not even sure what stock is