finding out ET - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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cooki

Member

Registered: 4th Dec 05
Location: moreton, wirral. drives mk4 gti 1.8 turbo
User status: Offline

9th Jun 08 at 10:50

is there anyway or measuring the ET on alloy wheels if the ET isnt stamped on them.
any help much appreciated

cheers cooki

Adam_B

Member

Registered: 13th Dec 00
Location: Lancashire
User status: Offline

9th Jun 08 at 11:32

to get the offset of a wheel its a bit wierd. Is it not stamped on the wheel?

Its measured from the centre of the rim, so if you have a 7in wide rim, you need to be 3.5 inches in from the edge. From that point to the back of the face where the bolts come through is your offset or ET measured in millimeters

JoeyB

Member

Registered: 19th Jun 03
Location: Fareham HANTS, Drives: Astra Coupe Turbo
User status: Offline

9th Jun 08 at 14:54

The offset is the distance (in mm) between the centre of the wheel (looking side on) and the point at which the wheel is in contact with the hub.

Here is a pic...