Tamago's guide to ultimate yaris handling - Toyota Yaris Forums

turboyaris · 02-20-2009, 01:36 AM

i gotta interject, as far as tire pressures and camber is concerned.... I would say you would be wise, in investing in a tire pyrometer. Longacre makes some basic models for 100-150$. This will allow you to take tire temps at the outer side/middle/ inner side and determine that if the middle is higher then the outer and inner side your tire pressure is too high and you need to reduce... Likewise, if the outer edge temp is higher then the inner edge temp, you want to add more negative camber. basically with this method, you get much easier quantitative data to help determine what to do.

As for using this with autocross, a quick little self made track, should get you enough data to setup your camber and tire pressures properly.

This process will get you theoretically ideal setup, however, if you need to compensate for another handling issue, then adding or subtracting camber or tire pressures may be needed.

whooppee777 · 02-20-2009, 03:46 AM

BEST THREAD EVER!

Tamago · 02-21-2009, 10:43 PM

Quote:

Originally Posted by turboyaris

i gotta interject, .

stolen word for word and added to the guide.

keep the good info coming guys!

02-20-2009, 03:46 AM	#2
whooppee777 I used to have 1700 posts View User's Garage Drives: 2008 Yaris Hatch Join Date: Apr 2007 Location: Maryland Posts: 808	BEST THREAD EVER! __________________ *First Boosted Yaris On The East Coast*

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02-20-2009, 01:36 AM	#1
turboyaris Drives: 2007 Yaris Sedan Join Date: Jan 2007 Location: Southern New Jersey Posts: 459	i gotta interject, as far as tire pressures and camber is concerned.... I would say you would be wise, in investing in a tire pyrometer. Longacre makes some basic models for 100-150$. This will allow you to take tire temps at the outer side/middle/ inner side and determine that if the middle is higher then the outer and inner side your tire pressure is too high and you need to reduce... Likewise, if the outer edge temp is higher then the inner edge temp, you want to add more negative camber. basically with this method, you get much easier quantitative data to help determine what to do. As for using this with autocross, a quick little self made track, should get you enough data to setup your camber and tire pressures properly. This process will get you theoretically ideal setup, however, if you need to compensate for another handling issue, then adding or subtracting camber or tire pressures may be needed.