Tein Street Basis Coilover Install - 2007 Yaris Sedan NCP93 Stock

[sheekeebut]

The Numbers
====================================

The values below represent the lengths in the height adjustment systems that decide how high/low you want it. The lower the number, the more lowering.

Excerpt from Tein manual:
----------------------------------------
Reference Value (Yaris 07-11 3dr/4dr) for USA
Front 0.8 inch (20 mm)
Rear H.A.S. 1.8 inch (46 mm)

Reference Value (Yaris 07-11) for UK
Front 1.0 inch (25 mm)
Rear H.A.S. 1.8 inch (46 mm)

----------------------------------------
(don't know what's so different about UK from the US models, but notice my numbers below are just a bit offset higher than the UK values)

Remember when I said we were under time constraints? Well, I decided that I didn't have time to set to default values and then readjust, so I decided to go with these values from the start:

My Values
Front 1 3/16 inch (30 mm)
Rear H.A.S. 1 31/32 inch (50 mm)

====================================

Tein manual wheel centre to fender reference values:
----------------------------------------
"USA"
Front 12.8 / 12.6 inch (325 / 320 mm)
Rear 12.8 / 12.6 inch (325 / 320 mm)

"UK"
Front 13 inch (330 mm)
Rear 12.8 inch (325 mm)
----------------------------------------
Stock values:
~ 14 1/2 inch (368 mm) all around

Lowered, results from my values:
~ 13 inch (330 mm) all around

Before install, I was worried about rub on pronounced weight transfer, hard bumps and full steering lock, especially on wheels that I suspected were 38 ET instead of 45. I still don't know what offset they are (rushed install), but they don't rub. Tested on full stretch of Mississauga Rd Erin Mills from Steeles to Dundas. I don't look forward to the construction areas where they've torn up asphalt and mark raised manhole covers with orange paint that you don't notice until it's too late.

Scraped audibly only once going down to parking garage. Learned my lesson, I now approach skewed, leaving or entering.

[vaironl]

Originally Posted by sheekeebut

The Numbers

====================================



The values below represent the lengths in the height adjustment systems that decide how high/low you want it. The lower the number, the more lowering.



Excerpt from Tein manual:

----------------------------------------

Reference Value (Yaris 07-11 3dr/4dr) for USA

Front 0.8 inch (20 mm)

Rear H.A.S. 1.8 inch (46 mm)



Reference Value (Yaris 07-11) for UK

Front 1.0 inch (25 mm)

Rear H.A.S. 1.8 inch (46 mm)



----------------------------------------

(don't know what's so different about UK from the US models, but notice my numbers below are just a bit offset higher than the UK values)



Remember when I said we were under time constraints? Well, I decided that I didn't have time to set to default values and then readjust, so I decided to go with these values from the start:



My Values

Front 1 3/16 inch (30 mm)

Rear H.A.S. 1 31/32 inch (50 mm)



====================================



Tein manual wheel centre to fender reference values:

----------------------------------------

"USA"

Front 12.8 / 12.6 inch (325 / 320 mm)

Rear 12.8 / 12.6 inch (325 / 320 mm)



"UK"

Front 13 inch (330 mm)

Rear 12.8 inch (325 mm)

----------------------------------------

Stock values:

~ 14 1/2 inch (368 mm) all around



Lowered, results from my values:

~ 13 inch (330 mm) all around



Before install, I was worried about rub on pronounced weight transfer, hard bumps and full steering lock, especially on wheels that I suspected were 38 ET instead of 45. I still don't know what offset they are (rushed install), but they don't rub. Tested on full stretch of Mississauga Rd Erin Mills from Steeles to Dundas. I don't look forward to the construction areas where they've torn up asphalt and mark raised manhole covers with orange paint that you don't notice until it's too late.



Scraped audibly only once going down to parking garage. Learned my lesson, I now approach skewed, leaving or entering.

Oh yes!!! The scraping stories begin.


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