brom86 Posted February 10, 2016 Share Posted February 10, 2016 Guy am looking for some help with wheel sizes. Am not clued up at all and needing someone's advice really. Just purchased japan racing 12 's in gun metal grey last night second hand. Got real good price for them. Am running 9j Et25 225/40/18 up front and 10j et20 235/40/18 at the rear. A tested fitted one side tonight and the rear wheel sits out a bit to much however I have spacers on the hub. If a remove these it should be ok. The front also has spacers and sits out a bit to much for the arches. Again if i remove the spacer I should be ok. But the issue is will it clear my ls400 calipers that I have fitted. From looking at it a need some sort of spacer to clear the caliper but not sure what size. Could anyone assist please Thanks Quote Link to comment Share on other sites More sharing options...
j_jza80 Posted February 10, 2016 Share Posted February 10, 2016 Ideally you want to be running the rear tyres on the front wheels, and get some 255/35 minimum on the rear Quote Link to comment Share on other sites More sharing options...
brom86 Posted February 10, 2016 Author Share Posted February 10, 2016 Yeah there was a big gap between the wheel and arch but think cause am use to my old wheels Quote Link to comment Share on other sites More sharing options...
jim Posted February 11, 2016 Share Posted February 11, 2016 You won't really know until you try Craig, unless you can find someone with the same wheel and brake combination, which is probably unlikely. Best bet is probably to buy (or borrow) some 5mm slip on 'shim' type spacers and test fit the wheel - if you need 2 shims to clear the caliper then you know that you'll need 10mm hubcentrics, 3 will mean a 15mm spacer and so on. The problem is that 9j et25 up front is already going to be pretty much flush, so having to add spacers to clear the calipers is going to make the faces poke out from the arches, so to make them fit you may need to either run a stretch on the tyres, or go back to jspec calipers. Quote Link to comment Share on other sites More sharing options...
Dnk Posted February 11, 2016 Share Posted February 11, 2016 (edited) Can't you just put a rule through the wheel to the face of the caliper and measure the gap you have now to the back of the spokes with the spacers fitted, you can easily work out what size spacer you'll need then. Or get yours on a lathe and remove the material required Edited February 11, 2016 by Dnk (see edit history) Quote Link to comment Share on other sites More sharing options...
brom86 Posted February 11, 2016 Author Share Posted February 11, 2016 I'll need spacers defo just not sure on size yet. And a stretched tyre prob. Westy is going ti help me over the weekend to sort it all out Quote Link to comment Share on other sites More sharing options...
Dnk Posted February 11, 2016 Share Posted February 11, 2016 You'll know if you measure the gap you have now and subtract that gap from the thickness of spacer you have fitted now Quote Link to comment Share on other sites More sharing options...
brom86 Posted February 11, 2016 Author Share Posted February 11, 2016 Yeah that's the plan now. Need to wait to get wheels on gutted Quote Link to comment Share on other sites More sharing options...
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