Anyone working on tuning?? - Toyota Yaris Forums

ChinoCharles · 03-13-2007, 05:00 PM

I can tell you what it does! It falls on its fucking face!

My car rifles to 5000 RPM as is... I am really pleased with the performance on the low end. Then it starts running silly rich and hits a wall.

From 4000-5000 RPM I'm grabbing around 15 HP at the wheels. From 5000-6200, nothing... she even loses a bit towards the end. This is why I say it hits a wall... and that wall happens to coincide with a rapid drop of about .6 in AFR.

This engine seems to happily plot along at 11.5 AFR @ WOT. The 10.75 it throws me at 5800 RPM is where she stops running and starts power-walking.

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03-13-2007, 05:00 PM	#17
ChinoCharles Banned Drives: LB Join Date: Jul 2006 Location: OH Posts: 7,787	I can tell you what it does! It falls on its fucking face! My car rifles to 5000 RPM as is... I am really pleased with the performance on the low end. Then it starts running silly rich and hits a wall. From 4000-5000 RPM I'm grabbing around 15 HP at the wheels. From 5000-6200, nothing... she even loses a bit towards the end. This is why I say it hits a wall... and that wall happens to coincide with a rapid drop of about .6 in AFR. This engine seems to happily plot along at 11.5 AFR @ WOT. The 10.75 it throws me at 5800 RPM is where she stops running and starts power-walking.