Custom CAI(at last) - Page 3 - Toyota Yaris Forums

Centurion2200 · 10-20-2006, 12:15 AM

hmmmmmmm this is weird........im seeing the pics of your engines........my Hatchback is 1.3 but the throtle body isnt in the place as katana's......but its in the same place that the 1.5 in the picture.......hmmmmmmmm

jmew0ng · 10-20-2006, 01:43 AM

throw in some pics ^^ maybe you got a 1.5 instead and they never told you haha

Katana · 10-20-2006, 08:12 AM

Quote:

Originally Posted by Centurion2200

hmmmmmmm this is weird........im seeing the pics of your engines........my Hatchback is 1.3 but the throtle body isnt in the place as katana's......but its in the same place that the 1.5 in the picture.......hmmmmmmmm

Τhis is really weird...

Tell me the code of your engine.

Mine is coded 2SZ-FE.

Katana · 10-20-2006, 08:13 AM

I am sure that you are not confusing the airbox tube to the throttle body, correct?

Centurion2200 · 10-20-2006, 08:55 AM

Quote:

Originally Posted by Katana

Τhis is really weird...

Tell me the code of your engine.

Mine is coded 2SZ-FE.

That's the difference....mine is a 2NZ-FE.....1.3 .....it looks the same as the 1NZ-FE (1.5)....but the cilynders are smaller...

i think i can use the 1.5 intake.....

Katana · 10-20-2006, 09:12 AM

Ηaha, it appears that you have the old 1.3lt engine, that was fitted to the old Yaris.

How come did this happen?

Katana · 10-20-2006, 09:15 AM

Αnd yes, you can use almost everything that is made for the 1NZ-FE(1.5lt).

Katana · 10-20-2006, 09:49 AM

Αre you sure about it?I need a picture of your engine if you can.Tell me exactly what it says in the manufacturer's book.

regulus · 10-20-2006, 02:38 PM

Quote:

Originally Posted by ChinoCharles

The more oxygen present in the cylinder, the less fuel it would take to start an ignition... since oxygen feeds fires by default a spark applied to a smaller amount of fuel with more oxygen in the cylinder should result in a strong enough ignition to complete the cycle. The MAF sensor would mitigate this and the result would be improved mileage.

Know that most people will tell you a CAI is SUPPOSED to improve mileage. The difference may be negligable on a 1.5 L 4 banger, but as your engine gets larger the difference should become more noticable.

If the computer managing the engine is set to keep the gas/oxygen ratio the same the CAI means more gas in the chamber.

Ignition might be easier with more oxygen but im not sure the computer is concerned with that when the engine is warm.

Last, expansion is due to the increased volume of compounds in the air phase in the chamber (CO2 and H2O) after ignition and the increased temperature.

In physics you cannot gain anything from nothing. You loose somewhere and this is on gas efficiency

obylium · 10-21-2006, 02:00 AM

Quote:

Originally Posted by ChinoCharles

I've heard some real-world gains with Tornado's and related products, but it could be bullshit. I've never had one myself so I can't really vouch for it. IMHO if you're one of the people looking to stretch the gas mileage on your Yaris (I'm not that person) go drop the 15 bucks or so on a vortex generator and test it out. What do you have to lose?

As far as how it affects mileage, I don't know much about cars but I do know my math and science (physics) and I'll propose this idea and someone smarter can correct me if I am wrong, but... in the intake there is a sensor for the amount and composition (temp, speed, etc) of air coming into the engine, and according to this reading fuel is richened or... uhm... stoicized? (thinned out haha) Like I said, CAI means more oxygen which means the engine (with the MAF sensor info) will "know" it doesn't need as much fuel and will use less accordingly. I don't know a wrench from a mouse, but it makes sense to me.

I actually have one of these vortex generators on order and it should come in within a few weeks. I can let you all know if there is improvement, if any on my new CAI.

Katana · 10-21-2006, 03:41 AM

Yeap, keep us posted!

Centurion2200 · 10-23-2006, 12:33 PM

where did you get the adapter to plug the MAF sensor?...or did you cut it from the stock box....

Katana · 10-23-2006, 01:19 PM

I made one from aluminium.

Centurion2200 · 10-27-2006, 12:05 AM

this weekend i'll install my custom made intake :)..... pics comming soon ;)

eTiMaGo · 10-27-2006, 01:50 AM

Quote:

Originally Posted by obylium

I actually have one of these vortex generators on order and it should come in within a few weeks. I can let you all know if there is improvement, if any on my new CAI.

LOL don't expect any improvement, but more likely a decrease in performance... those things are the scam of the century, Popular Mechanics even did some in-depth tests on a variety of such cheap "performance-improving" devices and found them to be absolutely useless.

Just think about it, after going through your filter and any bends in the air intake, isn't the air flow already spinning around in all directions? Why add a device to add turbulence when it's already there? All it's gonna do is create a restriction to the air flowing in... And, since they're so simple and cheap to make, and make such improvements to power and fuel consumption, why wouldn't the manufacturers have them pre-installed?

Just think about that

Katana · 10-27-2006, 10:53 AM

Well described!

Katana · 11-08-2006, 05:53 AM

Guys here is a video from inside the car, when testing my CAI on 2nd gear

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

ChinoCharles · 11-08-2006, 10:53 AM

Nice video (again). You can hear it start to hiss about halfway through. Now, how to fly to Greece to steal your cluster...

10-20-2006, 08:13 AM	#40
Katana Drives: Yaris LB 1.3lt 06 Join Date: Aug 2006 Location: Under the hood! Posts: 1,124	I am sure that you are not confusing the airbox tube to the throttle body, correct? __________________ It's not the ride, it's the rider!

10-20-2006, 09:12 AM	#42
Katana Drives: Yaris LB 1.3lt 06 Join Date: Aug 2006 Location: Under the hood! Posts: 1,124	Ηaha, it appears that you have the old 1.3lt engine, that was fitted to the old Yaris. How come did this happen? __________________ It's not the ride, it's the rider!

10-20-2006, 09:15 AM	#43
Katana Drives: Yaris LB 1.3lt 06 Join Date: Aug 2006 Location: Under the hood! Posts: 1,124	Αnd yes, you can use almost everything that is made for the 1NZ-FE(1.5lt). __________________ It's not the ride, it's the rider!

10-20-2006, 09:49 AM	#44
Katana Drives: Yaris LB 1.3lt 06 Join Date: Aug 2006 Location: Under the hood! Posts: 1,124	Αre you sure about it?I need a picture of your engine if you can.Tell me exactly what it says in the manufacturer's book. __________________ It's not the ride, it's the rider!

10-21-2006, 03:41 AM	#47
Katana Drives: Yaris LB 1.3lt 06 Join Date: Aug 2006 Location: Under the hood! Posts: 1,124	Yeap, keep us posted! __________________ It's not the ride, it's the rider!

10-20-2006, 12:15 AM	#37
Centurion2200 View User's Garage Drives: Yaris Hatchback 07 Join Date: Sep 2006 Location: Panama Posts: 75	hmmmmmmm this is weird........im seeing the pics of your engines........my Hatchback is 1.3 but the throtle body isnt in the place as katana's......but its in the same place that the 1.5 in the picture.......hmmmmmmmm

10-20-2006, 01:43 AM	#38
jmew0ng Drives: Scion FRS Join Date: Aug 2006 Location: Arizona Posts: 179	throw in some pics ^^ maybe you got a 1.5 instead and they never told you haha

10-23-2006, 12:33 PM	#48
Centurion2200 View User's Garage Drives: Yaris Hatchback 07 Join Date: Sep 2006 Location: Panama Posts: 75	where did you get the adapter to plug the MAF sensor?...or did you cut it from the stock box....

10-23-2006, 01:19 PM	#49
Katana Drives: Yaris LB 1.3lt 06 Join Date: Aug 2006 Location: Under the hood! Posts: 1,124	I made one from aluminium. __________________ It's not the ride, it's the rider!

10-27-2006, 12:05 AM	#50
Centurion2200 View User's Garage Drives: Yaris Hatchback 07 Join Date: Sep 2006 Location: Panama Posts: 75	this weekend i'll install my custom made intake :)..... pics comming soon ;)

10-27-2006, 10:53 AM	#52
Katana Drives: Yaris LB 1.3lt 06 Join Date: Aug 2006 Location: Under the hood! Posts: 1,124	Well described! __________________ It's not the ride, it's the rider!

11-08-2006, 05:53 AM	#53
Katana Drives: Yaris LB 1.3lt 06 Join Date: Aug 2006 Location: Under the hood! Posts: 1,124	Guys here is a video from inside the car, when testing my CAI on 2nd gear http://www.youtube.com/watch?v=EuDmVOBovNA __________________ It's not the ride, it's the rider!

11-08-2006, 10:53 AM	#54
ChinoCharles Banned Drives: LB Join Date: Jul 2006 Location: OH Posts: 7,787	Nice video (again). You can hear it start to hiss about halfway through. Now, how to fly to Greece to steal your cluster...

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