my echo turbo build log - Page 2 - Toyota Yaris Forums

Bluevitz-rs · 02-28-2015, 07:34 AM

any progress?

ipwnr · 03-15-2015, 12:55 AM

yes i just recently did a compression test and here are the numbers

1:195psi
2:210psi
3:220psi
4:220psi
reason i did the compression test was to confirm a bent valve (there was a very noticeable tapping afterwards) due to a miss shift on the highway from 3->2 instead of 3->4. i would like to hear opinions if its worth rebuilding this engine or just buying a junk yard engine or maybe just a new head if the pistons and walls look good.

Bluevitz-rs · 03-15-2015, 09:26 AM

I'm kinda in the same boat. Only that happened to the engine when it only had 30k km on it. Dealer replaced 3 valves in cyl 2 and 3 and now with 160k km it has lower compression on those cylinders. So I got a used head and am rebuilding it. Only difference is I have a brand new short block to put it on. So I'm building a mild turbo system to run on it too.

ipwnr · 03-21-2015, 03:57 AM

well i settled on getting a cylinder head from the junk yard when its $50 parts day, other then the head gasket what else would i need? and also how difficult is it to remove the head while the engine is still in the car?

Bluevitz-rs · 03-21-2015, 07:39 AM

It is VERY involved. I worked on one out of the car and it took me an hour and a quarter with my portable impact gun.

ipwnr · 03-25-2015, 10:34 PM

I do realize how involved it is and it would be a great learning experience as this car to me is a project car.

ipwnr · 07-06-2015, 10:45 PM

the fic just arrived in the mail and its time to install :)
it came with a pnp harness for a 91-94 nsx that i will not be using lol.

ipwnr · 07-12-2015, 07:19 PM

little update i got the fic installed but im having issues with it. one of the issues is when i intercept the maf the fic reads and sends too high of a voltage and makes the car run super rich so for now i just have the maf taped and the car runs ok. the second issue im having is the throttle position sensor shows 0% all the time on the fic. and one more the map sensor is reading 10 psia instead of around 2-3 psia wich was what i was expecting.

Bluevitz-rs · 07-14-2015, 10:09 AM

I think you have to make sure all the maf maps are zeroed out. The other issues I don't know. Sounds like a wiring issue.

I don't have an FIC. I'm just basing my knowledge from what I've read over the years.

Sent from my iPod Touch

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02-28-2015, 07:34 AM	#19
Bluevitz-rs 1NZ-6spd View User's Garage Drives: '05 6-Spd Vitz RS Join Date: Oct 2008 Location: Oshawa, Ontario, Canada Posts: 2,967	any progress?

03-15-2015, 12:55 AM	#20
ipwnr Drives: 2003 toyota echo 1.5l manual Join Date: Oct 2012 Location: richmondhill, ontario Posts: 21	yes i just recently did a compression test and here are the numbers 1:195psi 2:210psi 3:220psi 4:220psi reason i did the compression test was to confirm a bent valve (there was a very noticeable tapping afterwards) due to a miss shift on the highway from 3->2 instead of 3->4. i would like to hear opinions if its worth rebuilding this engine or just buying a junk yard engine or maybe just a new head if the pistons and walls look good.

03-15-2015, 09:26 AM	#21
Bluevitz-rs 1NZ-6spd View User's Garage Drives: '05 6-Spd Vitz RS Join Date: Oct 2008 Location: Oshawa, Ontario, Canada Posts: 2,967	I'm kinda in the same boat. Only that happened to the engine when it only had 30k km on it. Dealer replaced 3 valves in cyl 2 and 3 and now with 160k km it has lower compression on those cylinders. So I got a used head and am rebuilding it. Only difference is I have a brand new short block to put it on. So I'm building a mild turbo system to run on it too.

03-21-2015, 03:57 AM	#22
ipwnr Drives: 2003 toyota echo 1.5l manual Join Date: Oct 2012 Location: richmondhill, ontario Posts: 21	well i settled on getting a cylinder head from the junk yard when its $50 parts day, other then the head gasket what else would i need? and also how difficult is it to remove the head while the engine is still in the car?

03-21-2015, 07:39 AM	#23
Bluevitz-rs 1NZ-6spd View User's Garage Drives: '05 6-Spd Vitz RS Join Date: Oct 2008 Location: Oshawa, Ontario, Canada Posts: 2,967	It is VERY involved. I worked on one out of the car and it took me an hour and a quarter with my portable impact gun.

03-25-2015, 10:34 PM	#24
ipwnr Drives: 2003 toyota echo 1.5l manual Join Date: Oct 2012 Location: richmondhill, ontario Posts: 21	I do realize how involved it is and it would be a great learning experience as this car to me is a project car.

07-06-2015, 10:45 PM	#25
ipwnr Drives: 2003 toyota echo 1.5l manual Join Date: Oct 2012 Location: richmondhill, ontario Posts: 21	the fic just arrived in the mail and its time to install :) it came with a pnp harness for a 91-94 nsx that i will not be using lol.

07-12-2015, 07:19 PM	#26
ipwnr Drives: 2003 toyota echo 1.5l manual Join Date: Oct 2012 Location: richmondhill, ontario Posts: 21	little update i got the fic installed but im having issues with it. one of the issues is when i intercept the maf the fic reads and sends too high of a voltage and makes the car run super rich so for now i just have the maf taped and the car runs ok. the second issue im having is the throttle position sensor shows 0% all the time on the fic. and one more the map sensor is reading 10 psia instead of around 2-3 psia wich was what i was expecting.

07-14-2015, 10:09 AM	#27
Bluevitz-rs 1NZ-6spd View User's Garage Drives: '05 6-Spd Vitz RS Join Date: Oct 2008 Location: Oshawa, Ontario, Canada Posts: 2,967	I think you have to make sure all the maf maps are zeroed out. The other issues I don't know. Sounds like a wiring issue. I don't have an FIC. I'm just basing my knowledge from what I've read over the years. Sent from my iPod Touch