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Streetracing.co.za • View topic - Yaris TS 1.8 2ZR-FE engine mods
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 Post subject: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Mon Jul 02, 2012 3:13 am 
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So I've been on a bit of a research trip the last 24 hours trying to find out some bits and bobs about the heart of my little beast. Very little information can be found on the interwebs so I'm putting together what I know and what I've found as well as theories and ideas. And I am looking for some input and help here :)

Ok so to begin some specs of the engine...

This engine was designed to replace the 1zzfe engine which came out in few numbers in the Auris. The Auris was only available in black. The 1zz is the economy version of the 2zzge which is found in the Runx RSI and Lotus Elise in SA.

INFO:

The Toyota 2ZR-FE is a DOHC, 16-valve, 1.8 L (1797 cc) engine also equipped with Dual VVT-i.
Output for this engine is rated at 98–100 kW at 6000 rpm and 174 Nm of torque at 4400 rpm.

Specifications:
Engine Type : In-Line 4-cylinder DOHC 16-valve
Bore x Stroke = 80.5 x 88.3 mm
Compression Ratio : 10.0:1
Weight : 97 kg (without fuel)
Applications:
Toyota Yaris (ZSP90) (Europe only)

http://en.wikipedia.org/wiki/Toyota_ZR_engine#2ZR-FE

Currently I cannot find too much information on this engine as it is a fairly new engine on the market. So the normal “beginner” mods apply, namely, breathing apparatus. Intake and exhaust. From my dyno sheet attached, you will see a difference of 1.5kw and 5nm just by removing the snorkel attached to the OEM airbox. The results are box on the same dyno, and very similar weather conditions. Under foot, the car is definitely more responsive, revving up a bit quicker from 4000rpm to limiter and a bit more vocal under load.

On another TS, on the same dyno, 2 runs directly after each other, we were able to gain 3kw and about 7nm just from opening the airbox for less restrictive airflow.

Leon’s Yaris is making 109.9kw and 191nm with a K&N design SRI and cat back exhaust. (more on the exhaust later)

So there are definitely some gains that can be found in a better flow air intake.

The OEM exhaust is shocking to say the least. From the manifold, the pipe is 55/57mm then after the center box it goes to 38mm…. I can’t explain the stupidity in this other than emission and noise control.

It has been proven that just replacing the 38mm pipe and replacing with 57mm and a better rear box gives good results to both the foot feel and power of the car. Unfortunately no dyno graph to prove just how effective this mod is.

So definitely this motor needs to be opened up to get some more air flow through it to give some good gains.

So to aid in this, I have sourced an intake manifold from a 2ZZGE. The TB on this intake is 67mm, which is slightly bigger than the TB from 2zr so I will have to fabricate an adaptor plate to fit the 2zr TB to the 2zz manifold. I can’t use the 2zz TB as it’s a cable TB and not DBW (Drive By Wire).

Reason I went for the 2zz manifold is that there is rumours on the net about the 1zz manifold fitting the 2zr engine. And if the 1zz and 2zz intakes are interchangeable, then the 2zz should work. And I can also get my hands on the 2zz manifold fairly easily.

Should it fit, and prove the flow better than the stock plastic intake, I will install a thermal gasket between the head and intake to combat heat soak on the manifold. I will then look at putting a bigger TB on that matches the size of the 2zz intake.

For the exhaust I will be going to Pro-Fit. We will be removing the entire exhaust and building a custom 57mm exhaust from the manifold to the box at the back. To give you an idea of the sound I am going for… click here…

http://www.youtube.com/watch?v=A6Pp1IuJzG8

I will also be chatting to Pro-Fit about helping me fabricate a custom CAI that will put the filter in the bumper, away from the heat, but also allow for a much greater flow of air.

This will all work within conjunction with TopEnd where the developments will take place as well as dyno tuning.

Theo will be installing a UniChip once the exhaust and intake is done, to see what added gains we can get from a custom tune.

So what I want to know from you guys, is my logic right…or am I completely wasting my time? Haha

PS. Have mailed a company in Canada that may have cams for this car. As soon as I have feedback, I will post it here.


Attachments:
2zrfe eng.pdf [385.91 KiB]
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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Mon Jul 02, 2012 3:57 am 
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The stock exhaust

photo 1.JPG
photo 1.JPG [ 71.29 KiB | Viewed 17391 times ]

photo 2.JPG
photo 2.JPG [ 69.61 KiB | Viewed 17391 times ]


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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Mon Jul 02, 2012 5:13 am 
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You're probably a pioneer on this car, so nobody can say anything you will do is not going to work, but your reasoning is sound and it should give some gains.

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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Mon Jul 02, 2012 5:28 am 
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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Mon Jul 02, 2012 5:35 am 
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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Mon Jul 02, 2012 9:05 am 
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What is cams and that going to cost you?

Just do what you wanted to do on every single car of yours and give it some forced induction. Even 0.3bar will get you more gains than messing with N/A mods.

Do it! Do it! Do it!

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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Mon Jul 02, 2012 9:10 am 
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Yoh! That Yaris in the clip sounds mean!

Do it Richard! Looking forward to the developments!

All the best bro!

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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Mon Jul 02, 2012 12:44 pm 
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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Mon Jul 02, 2012 12:45 pm 
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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Mon Jul 02, 2012 2:13 pm 
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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Mon Jul 02, 2012 3:43 pm 
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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Mon Jul 02, 2012 5:00 pm 
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From the looks of it the Toyota Yaris and the american Scion xD share the same platform so some parts made for the Scion xD should fit on the yaris


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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Tue Jul 03, 2012 1:02 am 
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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Fri Jul 06, 2012 10:05 pm 
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Ok so a bit of update....

Got an intake off a 2ZZGE, not sure it is going to fit without some gentle persuasion on both the front bumper/valance and alternator. But before I try this, ProFit will be building the exhaust for me. Still havent decided what size I am going to be using, but will see on Monday.


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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Sat Jul 07, 2012 10:58 am 
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Last edited by Spuds on Mon Jul 16, 2012 7:24 pm, edited 1 time in total.

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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Sat Jul 07, 2012 11:49 am 
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yes yes in the future :P


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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
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Last edited by Spuds on Mon Jul 16, 2012 7:24 pm, edited 1 time in total.

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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Sat Jul 07, 2012 1:48 pm 
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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
PostPosted: Sat Jul 07, 2012 5:33 pm 
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Last edited by Spuds on Mon Jul 16, 2012 7:21 pm, edited 1 time in total.

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 Post subject: Re: Yaris TS 1.8 2ZR-FE engine mods
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