Turbo Questions - Toyota Yaris Forums

CASTREX · 03-27-2009, 05:15 PM

The stock injectors should be more than enough for 5psi...

The problem is that after you have gone thru all the trouble and custom work... who in their right mind would not want more!!

But seriously...

If you carefully select a turbo that will spool at 3,500-4,500 rpm's throw in colder plugs and run it with premiun gas... you should be more than able to get away with the stock ECU and no tunning...
At that psi level you won't even need an intercooler... so less things to worry about... no piping or leaks...

Garm ( Caliyaris ) has been running with no tunning for 8 months boosting 8 psi and he has not killed the engine... he is running lean at WOT but that is to be expected. But if you are truely able to stick to the 5 psi boost level... you should be more than fine.

You could probably achive around 130 whp with such set up... which is more than what the blitz puts out... and it would cost way less...
It would not have the instant response of the SC, but that is not waht you are looking for any ways...

If you have some skills you should be able to do it with less than $1,000

I predict that the Yaris ECU will not be cracked in 5 years, nor in 10 years...

Just rembember... anything more than those 5psi and you will be on the same boat as everyone else on the Force Induction area... Tunning problems as there is no easy way to modify fuel and timing on these cars...

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03-27-2009, 05:15 PM	#4
CASTREX Who said Yaris was slow? View User's Garage Drives: Yaris T-Sport 2008 Join Date: Nov 2006 Location: Costa Rica Posts: 1,287	The stock injectors should be more than enough for 5psi... The problem is that after you have gone thru all the trouble and custom work... who in their right mind would not want more!! But seriously... If you carefully select a turbo that will spool at 3,500-4,500 rpm's throw in colder plugs and run it with premiun gas... you should be more than able to get away with the stock ECU and no tunning... At that psi level you won't even need an intercooler... so less things to worry about... no piping or leaks... Garm ( Caliyaris ) has been running with no tunning for 8 months boosting 8 psi and he has not killed the engine... he is running lean at WOT but that is to be expected. But if you are truely able to stick to the 5 psi boost level... you should be more than fine. You could probably achive around 130 whp with such set up... which is more than what the blitz puts out... and it would cost way less... It would not have the instant response of the SC, but that is not waht you are looking for any ways... If you have some skills you should be able to do it with less than $1,000 I predict that the Yaris ECU will not be cracked in 5 years, nor in 10 years... Just rembember... anything more than those 5psi and you will be on the same boat as everyone else on the Force Induction area... Tunning problems as there is no easy way to modify fuel and timing on these cars...