a98pmalcolm Posted April 25, 2017 Share Posted April 25, 2017 Hey all, I'm looking at getting myself a set of Grid GTR's this year. But its a little confusing with the offset on the front. So I think its safe to say the rears need to be 18" x 9.5J Offset 30 But I see some people say for the front 18" x 8.5J Offset 35, but others say offset of 30. I do have big brembos. Any thoughts would be helpful Thanks Paul Quote Link to comment Share on other sites More sharing options...
HarleyFDMD Posted April 25, 2017 Share Posted April 25, 2017 8.5 et35 will sit the wheel very far into the arch Quote Link to comment Share on other sites More sharing options...
HarleyFDMD Posted April 25, 2017 Share Posted April 25, 2017 My front wheels are 8.5j et25 with a 15mm spacer! (Arches are rolled) Quote Link to comment Share on other sites More sharing options...
mike33 Posted April 25, 2017 Share Posted April 25, 2017 I had 8.5 et35 front and 9.5 et30 rear Quote Link to comment Share on other sites More sharing options...
C12MMO Posted April 25, 2017 Share Posted April 25, 2017 i'll try dig my invoice out with the offsets of mine, I think they sit very well and with an arch roll on the back I have 10" rears with 295 Tyres i've forgot what the offsets are. Quote Link to comment Share on other sites More sharing options...
a98pmalcolm Posted April 25, 2017 Author Share Posted April 25, 2017 Thanks for the replys fellas . I decided on ET30 8.5 Front with a 235/40/18 Tyre and ET30 9.5 Rear with a 265/35/18 Tyre Quote Link to comment Share on other sites More sharing options...
jcbt Posted April 25, 2017 Share Posted April 25, 2017 Thanks for the replys fellas . I decided on ET30 8.5 Front with a 235/40/18 Tyre and ET30 9.5 Rear with a 265/35/18 Tyre Wouldn't that size rear tyre be a bit skinny for your power level? Quote Link to comment Share on other sites More sharing options...
Frank Bullitt Posted April 25, 2017 Share Posted April 25, 2017 Thanks for the replys fellas . I decided on ET30 8.5 Front with a 235/40/18 Tyre and ET30 9.5 Rear with a 265/35/18 Tyre You would be better going with a 40 profile on the rear Quote Link to comment Share on other sites More sharing options...
a98pmalcolm Posted April 25, 2017 Author Share Posted April 25, 2017 Wouldn't that size rear tyre be a bit skinny for your power level? Its what I run that already But as I'm going down to 18" from 19" I will have a bigger sidewall so it will have come what more give compared the the rubber bands that are on there now. Quote Link to comment Share on other sites More sharing options...
a98pmalcolm Posted April 25, 2017 Author Share Posted April 25, 2017 You would be better going with a 40 profile on the rear Thanks for the input mate but I like the look of matching tyre sizes to the front and back. new set up will make the car sit exactly how it it now just more Tyre less wheel Quote Link to comment Share on other sites More sharing options...
supradanturbo Posted April 26, 2017 Share Posted April 26, 2017 18x10 at 35 rear and 18x9.5 at 30 front. It's what I have and the air flush Quote Link to comment Share on other sites More sharing options...
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