2zR swap worth it?

[06YarisRS]

Thanks gentlemen. I have set myself on a path to learn as much as I can about the subject of turbocharging a Yaris hatchback. It is something that I would like to do down the road - maybe way down the road - but certainly not before I have a very comprehensive understanding of everything involved. The latest springs from my conversation with a tuner in New Brunswick who advises against the AEM FIC as he claims it cannot know of or control fuel trims. He does think that with a standalone - such as the EMS-4, that I could probably go low boost (6 - 8 lbs) safely without an intercooler. But I would worry about heat related detonation. We did briefly speak about meth injection, but I think I'd rather an intercooler as opposed to that. I have so much learning to do, but it is infinitely interesting.

Sam, I'll pop over to turbokits.com and look at the manifold. Have you ever given thought to parting with your manifold?

[CrankyOldMan]

Originally Posted by 06YarisRS

Sam, I'll pop over to turbokits.com and look at the manifold. Have you ever given thought to parting with your manifold?

I bought it for curiosity as well as for insurance. I wasn't able to get in on the RPM long tube header before it went out of production and I'd rather not get stung that way again. You can buy just the manifold directly from TKC if you don't want to go for a full kit. They also offer packages with the manifold, down tube and your choice of turbo. Granted that's designed for the Corolla/Matrix/Vibe platform so the down tube might not be usable as is. I figure that the whole thing will need to be custom built and the manifold is the only pre-fab part I can use for sure.

[06YarisRS]

Originally Posted by CrankyOldMan

I bought it for curiosity as well as for insurance. I wasn't able to get in on the RPM long tube header before it went out of production and I'd rather not get stung that way again. You can buy just the manifold directly from TKC if you don't want to go for a full kit. They also offer packages with the manifold, down tube and your choice of turbo. Granted that's designed for the Corolla/Matrix/Vibe platform so the down tube might not be usable as is. I figure that the whole thing will need to be custom built and the manifold is the only pre-fab part I can use for sure.

Don't know how I missed this response, Sam. Thanks for it. Yes, I did see the smaller package kits at turbokits. I figured that the downpipe would work as a stock manifold for the Corolla fits and I assumed they would have maintained close dimensions. That said, having never looked under a Corolla, I'm not sure how much more room there is as compared to the Yaris. And, the diameter of the down pipe apprears significantly larger. My first concern is whether or not the manifold and turbo would actually be small enough to fit between the head and firewall, and have enough clearance for engine movement.


I agree with you that a kit for this configuration (2ZR in Yaris) is probably going to have to be mostly custom and therefore likely very expensive. Also, as far as electronic management of the system, from what I've been reading, the AEM FIC - which is more affordable - is less than ideal when compared to a standalone ecu. That alone could add close to $1000.00 to a project.

I see that a member here has a Camcon for sale and apparently it can adjust fuel and timing, but I think I read that it only works for VVTi, not Dual VVTi. Do you know anything about the Camcon?

[CrankyOldMan]

Originally Posted by 06YarisRS

Don't know how I missed this response, Sam. Thanks for it. Yes, I did see the smaller package kits at turbokits. I figured that the downpipe would work as a stock manifold for the Corolla fits and I assumed they would have maintained close dimensions. That said, having never looked under a Corolla, I'm not sure how much more room there is as compared to the Yaris. And, the diameter of the down pipe apprears significantly larger. My first concern is whether or not the manifold and turbo would actually be small enough to fit between the head and firewall, and have enough clearance for engine movement.

Agreed. 2.25 is plenty big enough for NA, 2.5 is probably fine for mild boost. No idea what 3" would do, but they made it for this engine so I'm assuming they know what they're doing. =D

I agree with you that a kit for this configuration (2ZR in Yaris) is probably going to have to be mostly custom and therefore likely very expensive. Also, as far as electronic management of the system, from what I've been reading, the AEM FIC - which is more affordable - is less than ideal when compared to a standalone ecu. That alone could add close to $1000.00 to a project.

You could take a gamble and buy the Corolla kit and do some mods to it. Not the best idea since you'd need to redesign a fair bit of it.

I see that a member here has a Camcon for sale and apparently it can adjust fuel and timing, but I think I read that it only works for VVTi, not Dual VVTi. Do you know anything about the Camcon?

Not familiar with those. Lots of conflicting info about piggybacking on a Toyota ECU, specifically if you can actually wrest control of the fuel trims from the ECU or if you just fight it for a few months and then reset the OEM unit.