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G8V8
01-09-2009, 09:10 AM
As i put in another thread, I justed ordered a pair of ST-1 for the rear to replace the 19x8.5 ST-1 on it now. The webpage listed it with a 46mm offset. My 8.5 have a 40mm offset. The vendor just called to say the 46 was a typo and it is really 42mm not 46mm.

Is anybody running 275/35-19 on 9.5 with 42 or smaller offsets? Did fenderlips need to be rolled? Are you lowered?
Thanks,
G8V8

LDV60
01-11-2009, 08:24 PM
OEM HSV is 275 35 19.

Not sure what the offset is. I'll see if I can find out for you.
I think I've got a few pics of the rear end. Will see what I can find and post.

http://i371.photobucket.com/albums/oo159/LDV60/rear-tread-after-30k.jpg?t=1231734088

http://i371.photobucket.com/albums/oo159/LDV60/rear.jpg?t=1231734156

http://i371.photobucket.com/albums/oo159/LDV60/exterior-4.jpg?t=1231734231

LDV60
01-11-2009, 08:38 PM
So, found the details.

OEM HSV sizes are:

Fronts - 19 x 8", 5 x 120, +48

Rears - 19 x 9.5", 5 x 120, +57
http://www.oz8.org/gallery/albums/album20/wheels5.jpg

G8V8
01-12-2009, 04:04 AM
Wow. That is some serious offset. Thanks for tracking that down.

99-LS1-SS
01-12-2009, 05:31 AM
So, found the details.

OEM HSV sizes are:

Fronts - 19 x 8", 5 x 120, +48

Rears - 19 x 9.5", 5 x 120, +57


That is what I've been thinking would be the ideal offset for some 10" wide rims.

GeorgeInNePa
01-12-2009, 06:02 AM
I added LDV60's post to the offset explained post.

Lets add known OEM offsets there to keep track.